{"id":882,"date":"2026-08-02T15:13:18","date_gmt":"2026-08-02T15:13:18","guid":{"rendered":"https:\/\/lumexislaser.com\/?page_id=882"},"modified":"2026-08-05T10:47:23","modified_gmt":"2026-08-05T10:47:23","slug":"infrastructure-inspection","status":"publish","type":"page","link":"https:\/\/lumexislaser.com\/es\/solutions\/infrastructure-inspection\/","title":{"rendered":"Laser Ranging for Rail, Bridge, Tunnel and Infrastructure Inspection"},"content":{"rendered":"\n<style>\nbody.page-id-882{overflow-x:clip}\nbody.page-id-882 .page-header,body.page-id-882 h1.entry-title{display:none!important}\nbody.page-id-882 .lumexis-solution-hero>.wp-block-columns{width:100%!important;max-width:1140px!important;margin-left:auto!important;margin-right:auto!important;align-items:stretch}\nbody.page-id-882 .lumexis-solution-hero .wp-block-column:last-child{display:flex}\nbody.page-id-882 .lumexis-solution-hero .wp-block-column:last-child figure{display:grid;grid-template-rows:minmax(0,1fr) auto;width:100%;height:100%;margin:0}\nbody.page-id-882 .lumexis-solution-hero .wp-block-column:last-child img{width:100%;height:100%;min-height:0;object-fit:cover}\nbody.page-id-882 .lumexis-visual-card{width:100%!important;max-width:1140px!important;margin-left:auto!important;margin-right:auto!important;overflow:hidden;box-shadow:0 14px 34px rgba(17,24,39,.06)}\nbody.page-id-882 .lumexis-visual-card .wp-block-image,body.page-id-882 .lumexis-visual-card figure{margin:0;height:100%}\nbody.page-id-882 .lumexis-visual-card img{width:100%;height:100%;min-height:300px;object-fit:cover}\nbody.page-id-882 .lumexis-solution-table{overflow-x:auto}\nbody.page-id-882 .lumexis-solution-table table{min-width:760px}\n@media(max-width:781px){body.page-id-882 .lumexis-solution-hero .wp-block-column:last-child figure{display:block;height:auto}body.page-id-882 .lumexis-solution-hero .wp-block-column:last-child img,body.page-id-882 .lumexis-visual-card img{height:auto;min-height:0}}\n<\/style>\n\n<div class=\"wp-block-group alignfull lumexis-solution-hero has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#0b0b0d;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-bf561b98 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:55%\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#c9a24b;margin-bottom:18px;font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase\">Infrastructure inspection<\/p>\n\n<h1 class=\"wp-block-heading has-text-color\" style=\"color:#ffffff;margin-bottom:24px;font-size:clamp(28px,3vw,40px);font-weight:600;line-height:1.12\">Infrastructure Inspection Lasers: Build Around the Asset Decision<\/h1>\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#d5d5d2;margin-bottom:28px;font-size:15px;line-height:1.7\">Lumexis develops 1535 nm <a href=\"https:\/\/lumexislaser.com\/laser-rangefinder-modules\/\">laser rangefinder modules<\/a> and 1.5 \u00b5m pulsed laser sources for civil railway, bridge, tunnel, and infrastructure measurement equipment.<\/p>\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size\" style=\"font-size:13px;font-weight:700\"><a class=\"wp-block-button__link has-text-color has-background wp-element-button\" href=\"https:\/\/lumexislaser.com\/contact\/\" style=\"border-radius:2px;color:#0b0b0d;background-color:#c9a24b\">Discuss your application with Lumexis<\/a><\/div>\n<\/div><\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:45%\">\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/rail-infrastructure-inspection-hero.webp\" alt=\"Rail inspection vehicle using conceptual laser scanning to measure track and corridor geometry\" class=\"wp-image-873\" srcset=\"https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/rail-infrastructure-inspection-hero.webp 900w, https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/rail-infrastructure-inspection-hero-300x200.webp 300w, https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/rail-infrastructure-inspection-hero-768x512.webp 768w, https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/rail-infrastructure-inspection-hero-600x400.webp 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n<\/div><\/div><\/div>\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<p class=\"wp-block-paragraph\">Lumexis develops <strong>1535 nm laser rangefinder modules<\/strong> and <strong>1.5 \u00b5m pulsed laser sources<\/strong> for civil infrastructure measurement equipment. The two product types solve different parts of the problem: a rangefinder module returns a distance along a defined line of sight, while a pulsed source can be integrated into a scanning LiDAR that builds many range samples into a point cloud.<\/p>\n\n<p class=\"wp-block-paragraph\">Use a compact rangefinder module when the instrument needs an absolute distance, clearance check or camera-aligned range channel. Use a pulsed source when the OEM is building the transmitter inside a higher-rate scanner. In both cases, the finished result depends on optics, target geometry, platform pose, calibration and data processing.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Start with the measurement deliverable<\/h2>\n\n<figure class=\"wp-block-table alignwide is-style-stripes lumexis-solution-table\"><table>\n<thead>\n<tr>\n<th>Application<\/th>\n<th>Required output<\/th>\n<th>Lumexis starting point<\/th>\n<th>What the host system must add<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Railway clearance and trackside asset measurement<\/td>\n<td>Distance or 3D coordinates relative to a track reference<\/td>\n<td>1535 nm rangefinder module for selected lines of sight; pulsed source for dense scanning<\/td>\n<td>scanner or pointing mechanism, encoder, position\/attitude data, calibration and clearance model<\/td>\n<\/tr>\n<tr>\n<td>Bridge geometry and condition documentation<\/td>\n<td>Registered point cloud, dimensions or change map<\/td>\n<td>1.5 \u00b5m pulsed source for scanning; rangefinder for selected standoff measurements<\/td>\n<td>scanning optics, imaging, survey control, registration and engineering interpretation<\/td>\n<\/tr>\n<tr>\n<td>Tunnel profile and convergence monitoring<\/td>\n<td>Cross-sections, over\/underbreak or repeat-survey displacement<\/td>\n<td>Pulsed source for profile scanning or rangefinder for fixed reference points<\/td>\n<td>stable control network, scanner, temperature compensation and epoch-to-epoch registration<\/td>\n<\/tr>\n<tr>\n<td>Corridor and right-of-way mapping<\/td>\n<td>Georeferenced asset positions and clearance envelope<\/td>\n<td>Pulsed source for mobile LiDAR<\/td>\n<td>GNSS\/IMU, timing, boresight calibration, cameras and feature extraction<\/td>\n<\/tr>\n<tr>\n<td>Construction alignment and machine positioning<\/td>\n<td>Repeated absolute distance to a defined surface or reference<\/td>\n<td>Compact 1535 nm rangefinder module<\/td>\n<td>aiming, target selection, controller interface and application-specific acceptance logic<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<p class=\"wp-block-paragraph\"><strong>Fast match:<\/strong> if your drawing needs one distance channel, start with the rangefinder-module family. If your deliverable is a dense 2D profile or 3D point cloud, start with the pulsed-source and scanning architecture. A rangefinder does not become a scanner through software alone; angular sampling must be created and measured by the host instrument.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">What the laser measures\u2014and what it does not<\/h2>\n\n<p class=\"wp-block-paragraph\">A direct Time-of-Flight channel measures the interval between an outgoing optical pulse and a detected return:<\/p>\n\n<div class=\"wp-block-group lumexis-formula-card has-background is-layout-constrained wp-container-core-group-is-layout-44c97188 wp-block-group-is-layout-constrained\" style=\"border-left-color:#c9a24b;border-left-width:3px;background-color:#f7f8fa;margin-top:24px;margin-bottom:24px;padding-top:22px;padding-right:26px;padding-bottom:22px;padding-left:26px\">\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:24px\"><em>R<\/em> = <em>c<\/em>\u0394<em>t<\/em> \/ 2<\/p>\n<\/div>\n\n<p class=\"wp-block-paragraph\">The result is a range along the optical line of sight. To convert that range into a coordinate, the instrument also needs the origin and direction of the measurement. On a stationary scanner, those come from scanner angles and survey control. On a moving rail vehicle or road platform, they also require synchronized position, attitude and lever-arm calibration.<\/p>\n\n<div class=\"wp-block-group alignwide lumexis-visual-card has-border-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-color:#dedede;border-width:1px;border-radius:2px;background-color:#ffffff;margin-top:34px;margin-bottom:34px\">\n<div class=\"wp-block-columns are-vertically-aligned-stretch is-layout-flex wp-container-core-columns-is-layout-946c1612 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:58%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/infrastructure-time-of-flight-principle.webp\" alt=\"Direct Time-of-Flight principle used by an infrastructure range channel\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:42%\">\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-b2c065c3 wp-block-group-is-layout-constrained\" style=\"padding-top:clamp(28px,4vw,48px);padding-right:clamp(24px,4vw,48px);padding-bottom:clamp(28px,4vw,48px);padding-left:clamp(24px,4vw,48px)\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#a17d2f;margin-bottom:12px;font-size:11px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase\">Measurement principle<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:14px;font-size:clamp(22px,2.4vw,30px);font-weight:650;line-height:1.2\">Connect the optical measurement to system geometry<\/h3>\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#4c5157;margin-bottom:0;font-size:14px;line-height:1.7\">Direct Time-of-Flight principle used by an infrastructure range channel<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Laser data can document geometry, clearance, movement and surface position. It does not independently determine the structural cause or severity of a defect. Bridge and tunnel decisions remain the responsibility of qualified inspection and engineering teams using the relevant standards and complementary methods.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Product route 1: 1535 nm rangefinder modules<\/h2>\n\n<p class=\"wp-block-paragraph\">The rangefinder module combines the pulsed transmitter, transmit optics, receiver, detector, timing and communication needed to return distance data. It is suitable when the OEM wants a compact ranging channel rather than developing a complete optical receiver and timing chain.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Practical infrastructure uses<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>camera-aligned distance to a pier, deck edge, tunnel wall or trackside asset;<\/li>\n<li>vehicle-mounted standoff measurement to large civil surfaces;<\/li>\n<li>approach or positioning feedback for an inspection mechanism;<\/li>\n<li>multiple fixed lines of sight used to monitor selected geometric references;<\/li>\n<li>distance data combined with a pan\/tilt or scanning unit supplied by the OEM.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Range classes for initial discussion<\/h3>\n\n<figure class=\"wp-block-table alignwide is-style-stripes lumexis-solution-table\"><table>\n<thead>\n<tr>\n<th>Module<\/th>\n<th style=\"text-align: right;\">Published reference-target range class<\/th>\n<th style=\"text-align: right;\">Receive aperture<\/th>\n<th style=\"text-align: right;\">Minimum range<\/th>\n<th>Typical infrastructure position<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1535-LXCJ0300<\/td>\n<td style=\"text-align: right;\">\u22653.2 km<\/td>\n<td style=\"text-align: right;\">\u03a616 mm<\/td>\n<td style=\"text-align: right;\">\u226415 m<\/td>\n<td>Compact mobile or fixed measurement channel<\/td>\n<\/tr>\n<tr>\n<td>1535-LXCJ0500<\/td>\n<td style=\"text-align: right;\">\u22655 km<\/td>\n<td style=\"text-align: right;\">\u03a616 mm<\/td>\n<td style=\"text-align: right;\">\u226415 m<\/td>\n<td>Longer corridors with a compact aperture<\/td>\n<\/tr>\n<tr>\n<td>1535-LXCJ0600<\/td>\n<td style=\"text-align: right;\">\u22656 km<\/td>\n<td style=\"text-align: right;\">\u03a621 mm<\/td>\n<td style=\"text-align: right;\">\u226420 m<\/td>\n<td>Increased collection area for more demanding targets<\/td>\n<\/tr>\n<tr>\n<td>1535-LXCJ0700<\/td>\n<td style=\"text-align: right;\">\u22657 km<\/td>\n<td style=\"text-align: right;\">\u03a625 mm<\/td>\n<td style=\"text-align: right;\">\u226430 m<\/td>\n<td>Long-standoff civil measurement platforms<\/td>\n<\/tr>\n<tr>\n<td>1535-LXCJ0800<\/td>\n<td style=\"text-align: right;\">\u22658 km<\/td>\n<td style=\"text-align: right;\">\u03a625 mm<\/td>\n<td style=\"text-align: right;\">\u226430 m<\/td>\n<td>Higher range margin with a mid-size aperture<\/td>\n<\/tr>\n<tr>\n<td>1535-LXCJ1000<\/td>\n<td style=\"text-align: right;\">\u226510 km<\/td>\n<td style=\"text-align: right;\">\u03a640 mm<\/td>\n<td style=\"text-align: right;\">\u226450 m<\/td>\n<td>Large structures and long corridors where size permits<\/td>\n<\/tr>\n<tr>\n<td>1535-LXCJ1500<\/td>\n<td style=\"text-align: right;\">\u226515 km<\/td>\n<td style=\"text-align: right;\">\u03a652 mm<\/td>\n<td style=\"text-align: right;\">\u226470 m<\/td>\n<td>Specialized long-range instruments with a larger optical package<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Published reference ranges are tied to a defined target and visibility condition in the source specification. They are not universal ranges for rail steel, dark ballast, concrete, wet surfaces, cables or oblique tunnel walls. Select the smallest range class that covers the real target and working envelope with testable margin.<\/p>\n\n<div class=\"wp-block-group alignwide lumexis-visual-card has-border-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-color:#dedede;border-width:1px;border-radius:2px;background-color:#ffffff;margin-top:34px;margin-bottom:34px\">\n<div class=\"wp-block-columns are-vertically-aligned-stretch is-layout-flex wp-container-core-columns-is-layout-946c1612 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:58%\">\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-b2c065c3 wp-block-group-is-layout-constrained\" style=\"padding-top:clamp(28px,4vw,48px);padding-right:clamp(24px,4vw,48px);padding-bottom:clamp(28px,4vw,48px);padding-left:clamp(24px,4vw,48px)\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#a17d2f;margin-bottom:12px;font-size:11px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase\">System architecture<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:14px;font-size:clamp(22px,2.4vw,30px);font-weight:650;line-height:1.2\">Review the complete optical and measurement chain<\/h3>\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#4c5157;margin-bottom:0;font-size:14px;line-height:1.7\">Compact rangefinder channel installed beside a railway corridor<\/p>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:42%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/1535nm-rangefinder-rail-integration.webp\" alt=\"Compact rangefinder channel installed beside a railway corridor\"\/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Product route 2: 1.5 \u00b5m pulsed sources for scanning LiDAR<\/h2>\n\n<p class=\"wp-block-paragraph\">When an OEM controls the receiver, timing electronics and scanner, a 1.5 \u00b5m <a href=\"https:\/\/lumexislaser.com\/lidar-pulsed-fiber-lasers\/\">pulsed fiber laser<\/a> can serve as the transmitter source. Higher pulse rate supports more measurement opportunities as the scanner sweeps across the scene. The useful point rate, however, is lower than or equal to the pulse rate because some returns will be rejected or missed.<\/p>\n\n<p class=\"wp-block-paragraph\">This route is appropriate for:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>rail corridor point-cloud capture;<\/li>\n<li>bridge surface and geometry mapping;<\/li>\n<li>tunnel cross-section scanning;<\/li>\n<li>clearance-envelope analysis;<\/li>\n<li>repeated construction or deformation surveys;<\/li>\n<li>mobile mapping systems combining LiDAR with cameras and position\/attitude sensors.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">The source specification should include pulse energy, repetition rate, pulse width, wavelength, beam quality or source divergence, timing behavior, output interface and thermal conditions. The completed LiDAR must add transmit beam expansion, scanning, receive optics, detector, ranging electronics, time synchronization and calibration.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Railway inspection: separate geometry channels from condition channels<\/h2>\n\n<p class=\"wp-block-paragraph\">Automated rail inspection platforms often carry several sensor types because different defects require different physical measurements. Laser geometry or LiDAR can support rail profile, track alignment, clearance, asset location and point-cloud documentation. Cameras can support surface and component imaging. Other subsurface or internal conditions require other sensing methods.<\/p>\n\n<div class=\"wp-block-group alignwide lumexis-visual-card has-border-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-color:#dedede;border-width:1px;border-radius:2px;background-color:#ffffff;margin-top:34px;margin-bottom:34px\">\n<div class=\"wp-block-columns are-vertically-aligned-stretch is-layout-flex wp-container-core-columns-is-layout-946c1612 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:58%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/rail-clearance-measurement-concept.webp\" alt=\"Conceptual rail corridor geometry with laser measurement points and a clearance structure\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:42%\">\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-b2c065c3 wp-block-group-is-layout-constrained\" style=\"padding-top:clamp(28px,4vw,48px);padding-right:clamp(24px,4vw,48px);padding-bottom:clamp(28px,4vw,48px);padding-left:clamp(24px,4vw,48px)\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#a17d2f;margin-bottom:12px;font-size:11px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase\">Engineering visual<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:14px;font-size:clamp(22px,2.4vw,30px);font-weight:650;line-height:1.2\">See how the source fits the complete instrument<\/h3>\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#4c5157;margin-bottom:0;font-size:14px;line-height:1.7\">Conceptual rail corridor geometry with laser measurement points and a clearance structure<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">For a laser measurement channel, define:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>rail, sleeper, ballast, catenary or structure feature to be measured;<\/li>\n<li>coordinate frame and reference datum;<\/li>\n<li>vehicle speed and spatial sample interval;<\/li>\n<li>required cross-track and along-track coverage;<\/li>\n<li>expected target reflectance, angle and occlusion;<\/li>\n<li>vibration spectrum and mechanical mounting;<\/li>\n<li>GNSS-denied sections such as tunnels;<\/li>\n<li>calibration checks after installation or maintenance.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">At speed (v) and accepted measurement rate (f), the idealized along-track sample spacing is:<\/p>\n\n<div class=\"wp-block-group lumexis-formula-card has-background is-layout-constrained wp-container-core-group-is-layout-44c97188 wp-block-group-is-layout-constrained\" style=\"border-left-color:#c9a24b;border-left-width:3px;background-color:#f7f8fa;margin-top:24px;margin-bottom:24px;padding-top:22px;padding-right:26px;padding-bottom:22px;padding-left:26px\">\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:24px\">\u0394<em>x<\/em> = <em>v<\/em> \/ <em>f<\/em><\/p>\n<\/div>\n\n<p class=\"wp-block-paragraph\">This relationship is useful for early sizing, but it does not define point density by itself. Scanner pattern, scan angle, rejected returns, vehicle motion and overlap all affect the actual distribution.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Bridge inspection: use laser data as geometric evidence<\/h2>\n\n<p class=\"wp-block-paragraph\">Bridge LiDAR can record accessible surfaces without placing an operator at every measurement point. It can support as-built documentation, clearance measurement, component location and repeat-survey comparison. Aerial or ground platforms may be selected according to access, scale and control requirements.<\/p>\n\n<div class=\"wp-block-group alignwide lumexis-visual-card has-border-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-color:#dedede;border-width:1px;border-radius:2px;background-color:#ffffff;margin-top:34px;margin-bottom:34px\">\n<div class=\"wp-block-columns are-vertically-aligned-stretch is-layout-flex wp-container-core-columns-is-layout-946c1612 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:58%\">\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-b2c065c3 wp-block-group-is-layout-constrained\" style=\"padding-top:clamp(28px,4vw,48px);padding-right:clamp(24px,4vw,48px);padding-bottom:clamp(28px,4vw,48px);padding-left:clamp(24px,4vw,48px)\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#a17d2f;margin-bottom:12px;font-size:11px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase\">Engineering visual<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:14px;font-size:clamp(22px,2.4vw,30px);font-weight:650;line-height:1.2\">See how the source fits the complete instrument<\/h3>\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#4c5157;margin-bottom:0;font-size:14px;line-height:1.7\">Aerial LiDAR platform collecting conceptual geometry from a civil bridge<\/p>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:42%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/bridge-lidar-inspection.webp\" alt=\"Aerial LiDAR platform collecting conceptual geometry from a civil bridge\"\/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Engineering teams should distinguish:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>range precision:<\/strong> repeatability of an individual range sample;<\/li>\n<li><strong>point accuracy:<\/strong> coordinate accuracy after angle, pose and calibration errors;<\/li>\n<li><strong>registration accuracy:<\/strong> agreement between scans or survey epochs;<\/li>\n<li><strong>surface-model uncertainty:<\/strong> effect of point spacing, incidence angle and reconstruction;<\/li>\n<li><strong>change-detection threshold:<\/strong> the smallest movement or loss that can be distinguished from combined uncertainty.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">A scanner may report millimetre-scale range precision while the final registered point cloud has a larger coordinate uncertainty. Survey control, platform pose, boresight and time alignment must be included in the acceptance test.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Tunnel inspection: close range can be the hard requirement<\/h2>\n\n<p class=\"wp-block-paragraph\">Tunnel walls may be only a few metres from the sensor even when the source platform is capable of kilometre-scale ranging. Minimum range, receiver recovery and strong near returns can therefore matter more than headline maximum range.<\/p>\n\n<p class=\"wp-block-paragraph\">For tunnel profiles and convergence monitoring:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>confirm the nearest wall and equipment distance at every scan angle;<\/li>\n<li>control occlusion from vehicles, cables and temporary works;<\/li>\n<li>use stable survey references for repeat measurements;<\/li>\n<li>account for dust, moisture, dark lining and wet reflective patches;<\/li>\n<li>record temperature and mechanical state when comparing survey epochs;<\/li>\n<li>validate registration and change thresholds with known references.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Fixed rangefinder channels can monitor selected points, while a scanner captures a cross-section or full surface. They answer different questions and may be combined in one monitoring design.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Parameters that decide whether the range channel works<\/h2>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Target size and beam footprint<\/h3>\n\n<p class=\"wp-block-paragraph\">For a far-field estimate, spot diameter grows approximately with range (R) and full-angle divergence (\u03b8):<\/p>\n\n<p class=\"wp-block-paragraph\">[\nd\u2248 R\u03b8\n]<\/p>\n\n<p class=\"wp-block-paragraph\">If the spot overfills a narrow cable, rail edge or structural member, only part of the transmitted energy contributes to that target. The remainder can produce background or a second return. Beam divergence must be considered with pointing accuracy and the receiver field of view.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Surface reflectance and angle<\/h3>\n\n<p class=\"wp-block-paragraph\">Dry concrete, wet concrete, painted steel, rusted steel, ballast and vegetation return different signal levels. Oblique surfaces send less energy back toward a coaxial receiver than a surface facing the sensor. Test the real material at the worst expected angle.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Receive aperture and background<\/h3>\n\n<p class=\"wp-block-paragraph\">A larger receive aperture collects more return energy but increases package size and can admit more background depending on the field of view. Spectral filtering, receiver field of view and detection logic help control unwanted light and adjacent returns.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Pulse rate and scan speed<\/h3>\n\n<p class=\"wp-block-paragraph\">High pulse rate supports denser sampling, but average power, thermal load, receiver recovery and data processing must remain within limits. A production specification should state commanded pulse rate, emitted pulse rate, accepted range rate and delivered point rate separately.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Timing and platform synchronization<\/h3>\n\n<p class=\"wp-block-paragraph\">On a moving platform, even a small timing offset between the range event, scanner angle and position\/attitude record creates coordinate error. Use a common time base or characterized synchronization path, and verify it dynamically rather than only on a stationary bench.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">Window and contamination<\/h3>\n\n<p class=\"wp-block-paragraph\">The host window adds transmission loss, reflections and possible ghost returns. Dust, water and cleaning residue can change the result over time. Define window material, coatings, angle, aperture and a maintenance strategy before final range validation.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Accuracy budget for a mapped point<\/h2>\n\n<p class=\"wp-block-paragraph\">A georeferenced target point can be summarized conceptually as:<\/p>\n\n<div class=\"wp-block-group lumexis-formula-card has-background is-layout-constrained wp-container-core-group-is-layout-44c97188 wp-block-group-is-layout-constrained\" style=\"border-left-color:#c9a24b;border-left-width:3px;background-color:#f7f8fa;margin-top:24px;margin-bottom:24px;padding-top:22px;padding-right:26px;padding-bottom:22px;padding-left:26px\">\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:24px\"><em>p<\/em><sub>surface<\/sub> = <em>p<\/em><sub>sensor<\/sub> + <em>R<\/em><strong>u<\/strong><sub>look<\/sub><\/p>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Errors can enter through sensor position, range, scanner angle, attitude, lever arm, boresight and time alignment. Because these terms interact, point-cloud accuracy cannot be inferred from the rangefinder\u2019s distance accuracy alone.<\/p>\n\n<p class=\"wp-block-paragraph\">For procurement, request separate acceptance values for:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>distance accuracy and repeatability on defined targets;<\/li>\n<li>angular accuracy or scanner calibration;<\/li>\n<li>boresight and lever-arm calibration;<\/li>\n<li>platform position and attitude performance;<\/li>\n<li>time synchronization;<\/li>\n<li>registered point-cloud accuracy in a representative operating scene.<\/li>\n<\/ul>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Integration workflow<\/h2>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">1. Define the asset and output<\/h3>\n\n<p class=\"wp-block-paragraph\">Provide the structure, material, range envelope, platform and final deliverable: one distance, cross-section, clearance report, point cloud or change map.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">2. Build target-conditioned range cases<\/h3>\n\n<p class=\"wp-block-paragraph\">List the smallest and darkest required targets, worst incidence angles, nearest strong surface and expected weather or contamination. Use these cases instead of a single maximum-distance number.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">3. Choose module or source architecture<\/h3>\n\n<p class=\"wp-block-paragraph\">Select a complete rangefinder module for a self-contained distance channel. Select a pulsed source if your team is building the scanner and receiver. Decide early because mechanical, electrical and software responsibilities differ substantially.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">4. Close sampling and motion budgets<\/h3>\n\n<p class=\"wp-block-paragraph\">Relate vehicle speed, scan pattern and accepted measurement rate to required spatial coverage. Include vibration, motion distortion and GNSS-denied operation.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">5. Calibrate the complete instrument<\/h3>\n\n<p class=\"wp-block-paragraph\">Calibrate range offset, angular axes, boresight, lever arm and timing. Use known targets and representative platform motion. Document checks after service or sensor replacement.<\/p>\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:34px;margin-bottom:16px;font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.25\">6. Validate the decision output<\/h3>\n\n<p class=\"wp-block-paragraph\">Test clearance, dimensional or change-detection results\u2014not only raw range. Include representative concrete, steel, ballast, vegetation, wet surfaces and partial occlusion where relevant.<\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Information to send Lumexis<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>infrastructure type and measurement deliverable;<\/li>\n<li>stationary, vehicle, rail or aerial platform;<\/li>\n<li>minimum, normal and maximum distance;<\/li>\n<li>target dimensions, materials and incidence angles;<\/li>\n<li>single-point rate or desired point density;<\/li>\n<li>scanner and receiver architecture, if already selected;<\/li>\n<li>aperture, package, mass and power limits;<\/li>\n<li>communication, trigger and timing interfaces;<\/li>\n<li>temperature, vibration, window and contamination conditions;<\/li>\n<li>prototype schedule, expected annual quantity and validation plan.<\/li>\n<\/ul>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n\n<div class=\"wp-block-group lumexis-related has-background is-layout-constrained wp-container-core-group-is-layout-c48c1f9f wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;padding-top:clamp(26px,3.5vw,40px);padding-right:clamp(20px,3.5vw,36px);padding-bottom:clamp(26px,3.5vw,40px);padding-left:clamp(20px,3.5vw,36px)\">\n\n<h2 class=\"wp-block-heading\" style=\"font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.12\">Matched Lumexis laser sources<\/h2>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px;line-height:1.6\">Rail, bridge and tunnel inspection uses either a single-point module or a scanning pulsed source.<\/p>\n\n\n<ul class=\"wp-block-list\" style=\"font-size:15px;line-height:1.7\"><li><a href=\"https:\/\/lumexislaser.com\/laser-rangefinder-modules\/\">1535 nm laser rangefinder modules \u2014 full range<\/a><\/li><li><a href=\"https:\/\/lumexislaser.com\/1535nm-8km-laser-rangefinder-module\/\">1535nm 8km Laser Rangefinder Module<\/a><\/li><li><a href=\"https:\/\/lumexislaser.com\/lidar-pulsed-fiber-lasers\/\">1.5 \u00b5m pulsed fiber laser sources \u2014 for scanning LiDAR<\/a><\/li><\/ul>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px;line-height:1.6\">Related: <a href=\"https:\/\/lumexislaser.com\/solutions\/laser-ranging\/\">laser ranging solutions<\/a> and <a href=\"https:\/\/lumexislaser.com\/solutions\/lidar-3d-mapping\/\">LiDAR and 3D mapping<\/a>. To scope an inspection system, <a href=\"https:\/\/lumexislaser.com\/contact\/\">talk to a Lumexis engineer<\/a>.<\/p>\n\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Frequently asked questions<\/h2>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Can a laser rangefinder module create a 3D model of a bridge?<\/summary>\n<p class=\"wp-block-paragraph\">Not by itself. It returns distance along one line of sight. A 3D model also needs controlled angular sampling or platform motion, position and attitude data, calibration, registration and point-cloud processing.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Which product is better for railway clearance measurement?<\/summary>\n<p class=\"wp-block-paragraph\">A rangefinder module fits selected clearance lines or camera-aligned distance checks. A high-rate pulsed source integrated into a scanner fits dense clearance-envelope mapping. The required output determines the product route.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Does maximum range matter in a tunnel?<\/summary>\n<p class=\"wp-block-paragraph\">Often minimum range, strong-return recovery and scan geometry are more important. The nearest wall or equipment may sit inside the near limit of a long-range module, so the complete angular envelope must be checked.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Can LiDAR identify structural damage automatically?<\/summary>\n<p class=\"wp-block-paragraph\">It can supply geometry and change evidence to an analysis system. Automated classification requires validated algorithms and appropriate ground truth, while structural conclusions require qualified engineering interpretation and may need complementary inspection methods.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Why can two surveys disagree even when the range sensor is stable?<\/summary>\n<p class=\"wp-block-paragraph\">Differences can come from control points, registration, platform pose, boresight, time synchronization, surface condition or sampling geometry. Evaluate the complete point uncertainty and survey workflow.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>What should procurement compare between suppliers?<\/summary>\n<p class=\"wp-block-paragraph\">Compare target-conditioned range, minimum range, accuracy and repeatability, accepted measurement rate, aperture, divergence, interface, package, environmental limits, calibration support and the exact acceptance test. A single headline range is not enough.<\/p>\n<\/details>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#f5f5f3;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Build the range channel around the asset decision<\/h2>\n\n<p class=\"wp-block-paragraph\">Send the structure, platform, target cases and required output. Lumexis will help determine whether a 1535 nm rangefinder module or a 1.5 \u00b5m pulsed source is the right starting point, then align the optical, timing and mechanical interface with your inspection instrument.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Lumexis \u2014 precision laser sources, engineered for the real world.<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-background is-layout-constrained wp-container-core-group-is-layout-c12f9e37 wp-block-group-is-layout-constrained\" style=\"background-color:#ffffff;margin-top:0;margin-bottom:0;padding-top:72px;padding-right:24px;padding-bottom:72px;padding-left:24px\">\n<h2 class=\"wp-block-heading\" style=\"margin-top:0;margin-bottom:32px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.08\">Technical references<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/railroads.fra.dot.gov\/railroad-safety\/partnerships-programs\/automated-track-inspection-program-atip\" target=\"_blank\" rel=\"noopener\">Federal Railroad Administration: Automated Track Inspection Program<\/a><\/li>\n<li><a href=\"https:\/\/railroads.fra.dot.gov\/elibrary\/lidar-grade-crossing-data-collection-and-storage-services-high-profile-grade-crossings\" target=\"_blank\" rel=\"noopener\">Federal Railroad Administration: LiDAR Grade Crossing Data Collection<\/a><\/li>\n<li><a href=\"https:\/\/railroads.fra.dot.gov\/elibrary\/laser-triangulation-track-change-and-defect-detection\" target=\"_blank\" rel=\"noopener\">Federal Railroad Administration: Laser Triangulation for Track Change and Defect Detection<\/a><\/li>\n<li><a href=\"https:\/\/www.fhwa.dot.gov\/bridge\/nbis2022\/qanda\/08.cfm\" target=\"_blank\" rel=\"noopener\">Federal Highway Administration: Advanced Technologies in Bridge Inspection<\/a><\/li>\n<li><a href=\"https:\/\/www.riegl.com\/en-usa\/products\/detail\/riegl-vmx-rail\" target=\"_blank\" rel=\"noopener\">RIEGL: Rail Mobile Laser Scanning Applications<\/a><\/li>\n<li><a href=\"https:\/\/geospatial.trimble.com\/en\/industries\/transportation-infrastructure\/tunnels\" target=\"_blank\" rel=\"noopener\">Trimble: Tunnel Scanning, Surveying and Monitoring Workflows<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Match 1535 nm rangefinder modules or 1.5 \u00b5m pulsed sources to rail, bridge, tunnel and corridor inspection by range, target, scan rate and integration.<\/p>","protected":false},"author":3,"featured_media":873,"parent":11,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-882","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/pages\/882","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/comments?post=882"}],"version-history":[{"count":5,"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/pages\/882\/revisions"}],"predecessor-version":[{"id":1781,"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/pages\/882\/revisions\/1781"}],"up":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/pages\/11"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/media\/873"}],"wp:attachment":[{"href":"https:\/\/lumexislaser.com\/es\/wp-json\/wp\/v2\/media?parent=882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}