{"id":929,"date":"2026-08-02T15:12:39","date_gmt":"2026-08-02T15:12:39","guid":{"rendered":"https:\/\/lumexislaser.com\/?page_id=929"},"modified":"2026-08-05T10:47:41","modified_gmt":"2026-08-05T10:47:41","slug":"pv-inspection","status":"publish","type":"page","link":"https:\/\/lumexislaser.com\/de\/solutions\/pv-inspection\/","title":{"rendered":"Fiber-Coupled Lasers for PV Photoluminescence Inspection"},"content":{"rendered":"<style>\nbody.page-id-929{overflow-x:clip}\nbody.page-id-929 .page-header,body.page-id-929 h1.entry-title{display:none!important}\nbody.page-id-929 .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-929 .lumexis-solution-hero .wp-block-column:last-child{display:flex}\nbody.page-id-929 .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-929 .lumexis-solution-hero .wp-block-column:last-child img{width:100%;height:100%;min-height:0;object-fit:cover}\nbody.page-id-929 .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-929 .lumexis-visual-card .wp-block-image,body.page-id-929 .lumexis-visual-card figure{margin:0;height:100%}\nbody.page-id-929 .lumexis-visual-card img{width:100%;height:100%;min-height:300px;object-fit:cover}\nbody.page-id-929 .lumexis-solution-table{overflow-x:auto}\nbody.page-id-929 .lumexis-solution-table table{min-width:760px}\n@media(max-width:781px){body.page-id-929 .lumexis-solution-hero .wp-block-column:last-child figure{display:block;height:auto}body.page-id-929 .lumexis-solution-hero .wp-block-column:last-child img,body.page-id-929 .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\">PV-Inspektion<\/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\">PV Inspection Lasers: Configure the Excitation Source<\/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 supplies fiber-coupled laser sources for photovoltaic photoluminescence inspection, with wavelength, sample-plane irradiance, uniformity, camera response, filtering, and production cycle time reviewed as one system.<\/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\/de\/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\/pv-photoluminescence-inspection-hero.webp\" alt=\"Photovoltaik-Inspektionslinie mit Nahinfrarotanregung und Lumineszenzbildgebung zur Identifizierung von Zellfehlern\" class=\"wp-image-924\" srcset=\"https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/pv-photoluminescence-inspection-hero.webp 900w, https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/pv-photoluminescence-inspection-hero-300x200.webp 300w, https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/pv-photoluminescence-inspection-hero-768x512.webp 768w, https:\/\/lumexislaser.com\/wp-content\/uploads\/2026\/08\/pv-photoluminescence-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 supplies <strong><a href=\"https:\/\/lumexislaser.com\/de\/fiber-coupled-lasers\/\">fiber-coupled lasers<\/a> for PV inspection equipment<\/strong> that uses optical excitation to image photoluminescence from crystalline-silicon wafers, cells or modules. Our 808 nm source family is the primary starting point for this application; 915 nm custom configurations and published 976 nm models can be evaluated where absorption depth, filtering and system geometry justify a different wavelength.<\/p>\n\n<p class=\"wp-block-paragraph\">The laser is one part of the measurement chain. Useful defect contrast depends on uniform irradiance at the sample, camera sensitivity near the silicon emission band, rejection of reflected excitation, sample temperature, electrical operating condition and image calibration. We therefore configure the source around the inspection result\u2014not around optical watts alone.<\/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\">Choose the solution by inspection stage<\/h2>\n\n<figure class=\"wp-block-table alignwide is-style-stripes lumexis-solution-table\"><table>\n<thead>\n<tr>\n<th>Inspection stage<\/th>\n<th>What PL imaging can contribute<\/th>\n<th>Source-design priority<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Silicon material and wafer characterization<\/td>\n<td>Spatial variation associated with carrier lifetime and recombination behavior<\/td>\n<td>Stable, homogeneous excitation and calibrated intensity<\/td>\n<\/tr>\n<tr>\n<td>Cell-process development<\/td>\n<td>Comparison of passivation, firing and contact-process outcomes<\/td>\n<td>Repeatable sample condition and controlled injection level<\/td>\n<\/tr>\n<tr>\n<td>Cell production inspection<\/td>\n<td>Fast imaging of non-uniform regions, interruptions and inactive areas<\/td>\n<td>Cycle time, full-area uniformity and automated handling<\/td>\n<\/tr>\n<tr>\n<td>Module laboratory analysis<\/td>\n<td>Contactless optical excitation where electrical injection is inconvenient<\/td>\n<td>Larger illuminated field, power scaling and stray-light control<\/td>\n<\/tr>\n<tr>\n<td>R&amp;D measurement platforms<\/td>\n<td>Injection-dependent or modulated PL experiments<\/td>\n<td>Power control, modulation, camera synchronization and traceable geometry<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<p class=\"wp-block-paragraph\"><strong>Quick match:<\/strong> use 808 nm as the default discussion for silicon PL imaging when a proven excitation architecture and straightforward separation from the longer-wavelength emission are priorities. Evaluate 915 or 976 nm only after checking absorption, required irradiance, filter margin and the detector\u2019s spectral response.<\/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 photoluminescence imaging measures<\/h2>\n\n<p class=\"wp-block-paragraph\">When silicon absorbs photons with energy above its bandgap, electron-hole pairs are generated. A small fraction of the subsequent recombination produces near-infrared light. A sensitive camera maps that weak luminescence across the wafer or cell.<\/p>\n\n<p class=\"wp-block-paragraph\">Dark or bright variations can correlate with changes in local recombination, material quality, voltage or electrical condition. Depending on the process stage and analysis method, PL images may reveal or help classify:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>recombination-active regions;<\/li>\n<li>cracks or interrupted regions that alter carrier distribution;<\/li>\n<li>non-uniform passivation or processing;<\/li>\n<li>inactive or electrically isolated areas;<\/li>\n<li>spatial variation used in carrier-lifetime or implied-voltage analysis.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">An image is not a diagnosis by itself. The same visual pattern can have more than one cause, and quantitative interpretation requires controlled excitation, sample condition, calibration and an appropriate physical model.<\/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\/pv-photoluminescence-defect-patterns.webp\" alt=\"Conceptual photovoltaic photoluminescence maps showing uniform, cracked and inactive regions\"\/><\/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 response<\/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\">Interpret the optical response in application context<\/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 photovoltaic photoluminescence maps showing uniform, cracked and inactive regions<\/p>\n<\/div>\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:#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\">PL, EL and ordinary visual inspection are different tools<\/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\">Photoluminescence imaging<\/h3>\n\n<p class=\"wp-block-paragraph\">PL uses external optical excitation. It can inspect non-contacted wafers or cells and can be configured for research or production workflows. The laser source, homogenizer, camera and filters form the central optical 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\">Electroluminescence imaging<\/h3>\n\n<p class=\"wp-block-paragraph\">EL injects electrical current into a contacted cell or module. It does not require an optical excitation laser, but it needs electrical access and controlled current injection. EL and PL may show related features under different operating conditions; they are not interchangeable measurements.<\/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\">Reflectance and visible inspection<\/h3>\n\n<p class=\"wp-block-paragraph\">Conventional cameras detect surface appearance, print alignment, contamination and geometric defects. They do not directly measure the weak band-to-band luminescence used in silicon PL. A production tool may combine these methods, but each channel needs its own illumination 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:#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\">The PV photoluminescence optical chain<\/h2>\n\n<p class=\"wp-block-paragraph\">A practical station typically includes:<\/p>\n\n<ol class=\"wp-block-list\">\n<li><strong>Fiber-coupled excitation source<\/strong> \u2014 provides a controlled 808, 915 or 976 nm wavelength and optical power.<\/li>\n<li><strong>Delivery fiber and termination<\/strong> \u2014 routes power away from the inspection head and into the illumination optics.<\/li>\n<li><strong>Collimation and homogenization<\/strong> \u2014 converts the fiber output into a broad field with defined spatial uniformity.<\/li>\n<li><strong>Silicon sample and operating fixture<\/strong> \u2014 controls position, temperature and, where needed, electrical loading.<\/li>\n<li><strong>Collection lens and rejection filter<\/strong> \u2014 transmits the luminescence band while suppressing reflected excitation and ambient light.<\/li>\n<li><strong>Sensitive camera<\/strong> \u2014 captures the weak near-infrared signal with an exposure compatible with the line cycle.<\/li>\n<li><strong>Calibration and analysis<\/strong> \u2014 corrects illumination non-uniformity, camera response and other systematic effects before classification or parameter extraction.<\/li>\n<\/ol>\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\">PV photoluminescence optical chain with fiber laser, homogenizer, solar cell, filter and camera<\/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\/pv-photoluminescence-optical-chain.webp\" alt=\"PV photoluminescence optical chain with fiber laser, homogenizer, solar cell, filter and camera\"\/><\/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:#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\">Wavelength selection: 808 vs 915 vs 976 nm<\/h2>\n\n<p class=\"wp-block-paragraph\">All three wavelengths are shorter than the silicon band-edge emission region and can generate carriers in crystalline silicon. They are not equivalent in an imaging system.<\/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\">808 nm: the primary starting point<\/h3>\n\n<p class=\"wp-block-paragraph\">808 nm fiber-coupled sources are widely used in published silicon PL imaging setups. The wavelength provides strong silicon absorption and leaves useful spectral distance between reflected excitation and the longer-wavelength luminescence signal. That separation supports a long-pass filtering approach in suitable systems.<\/p>\n\n<p class=\"wp-block-paragraph\">Use 808 nm when:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>established silicon-cell PL architectures are the reference;<\/li>\n<li>high absorbed excitation near the illuminated surface is desired;<\/li>\n<li>a long-pass filter can separate the luminescence band from excitation;<\/li>\n<li>published Lumexis power classes from 25 to 400 W fit the optical budget.<\/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\">915 nm: a custom evaluation option<\/h3>\n\n<p class=\"wp-block-paragraph\">Moving toward 915 nm changes the absorption profile and the relationship between excitation and emission filtering. It may be useful when an equipment team has already validated this wavelength in its material stack, camera and optical design. Lumexis should confirm availability, wavelength tolerance, power class and fiber interface for each program; no standard 915 nm model is listed in the current public model set.<\/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\">976 nm: closer to the band edge<\/h3>\n\n<p class=\"wp-block-paragraph\">At 976 nm, absorption in silicon is generally weaker and extends deeper than at 808 nm. That can be relevant to bulk-sensitive inspection concepts, but it also changes the required optical power density and reduces the spectral margin available for blocking reflected excitation while passing the PL signal. Filter edge quality, camera sensitivity and stray-light control become especially important.<\/p>\n\n<p class=\"wp-block-paragraph\">Use 976 nm only after a system trial confirms that the deeper excitation profile produces useful information at an acceptable exposure and thermal load.<\/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\">Irradiance and uniformity\u2014not total watts\u2014drive the measurement<\/h2>\n\n<p class=\"wp-block-paragraph\">Laser output power is distributed by the illumination optics over an area. The useful engineering quantity at the sample is irradiance:<\/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>E<\/em> = <em>P<\/em><sub>sample<\/sub> \/ <em>A<\/em><\/p>\n<\/div>\n\n<p class=\"wp-block-paragraph\">where (P<sub>sample<\/sub>) is optical power reaching the illuminated sample and (A) is illuminated area. For a full cell, that area can be much larger than a laboratory spot, so the same source power produces a much lower irradiance.<\/p>\n\n<p class=\"wp-block-paragraph\">The average value is only the beginning. A bright center and dark corners create a false spatial pattern that can be mistaken for material variation. Specify:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>illuminated width and length;<\/li>\n<li>average irradiance at the sample;<\/li>\n<li>peak-to-average or maximum-to-minimum uniformity metric;<\/li>\n<li>edge roll-off and excluded border;<\/li>\n<li>temporal stability during one exposure and across a production shift;<\/li>\n<li>repeatability after source warm-up and maintenance.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Flat-field correction can compensate for part of a stable illumination pattern, but it cannot recover signal from severely under-illuminated regions or correct a pattern that changes with temperature, fiber movement or optical contamination.<\/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\">Camera and filter matching<\/h2>\n\n<p class=\"wp-block-paragraph\">Silicon band-edge luminescence is weak and lies near the long-wavelength limit of conventional silicon detectors. Cooled silicon cameras or InGaAs cameras may be used depending on sensitivity, exposure, resolution and cost targets.<\/p>\n\n<p class=\"wp-block-paragraph\">The detector decision influences the whole source specification:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Spectral response:<\/strong> confirm sensitivity across the intended PL collection band, not just a nominal camera range.<\/li>\n<li><strong>Noise:<\/strong> dark current, read noise and fixed-pattern noise matter when the signal is weak.<\/li>\n<li><strong>Exposure and frame rate:<\/strong> production cycle time may require more excitation, a faster lens or a more sensitive camera.<\/li>\n<li><strong>Pixel sampling:<\/strong> small defects require enough spatial sampling after the complete lens and working-distance geometry is included.<\/li>\n<li><strong>Cooling and stabilization:<\/strong> camera temperature affects noise and calibration stability.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">A long-pass or band-selection filter is normally used to reject reflected excitation. The filter must provide sufficient blocking at the laser wavelength while maintaining transmission in the useful PL band. Leaks, off-axis behavior and scattered light from mechanical surfaces can overwhelm the desired signal even when the nominal filter curve looks acceptable.<\/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\">Source parameters to specify<\/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\">Output power at a defined plane<\/h3>\n\n<p class=\"wp-block-paragraph\">State whether power is measured at the module, fiber termination, homogenizer output or sample. Include the intended operating point and modulation condition. This prevents an optical-loss assumption from becoming a system-level performance gap.<\/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\">Wavelength and spectral width<\/h3>\n\n<p class=\"wp-block-paragraph\">The wavelength must remain inside the intended excitation region and outside the filter\u2019s collection band over temperature and operating current. Spectral width matters because the rejection filter must block the full source spectrum, not only its center wavelength.<\/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\">Fiber core and numerical aperture<\/h3>\n\n<p class=\"wp-block-paragraph\">Core diameter and numerical aperture determine how the output couples into a collimator, beam expander or homogenizer. A larger core can simplify power handling but changes \u00e9tendue and the minimum achievable beam properties. Select the fiber and illumination optics together.<\/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\">Power stability and modulation<\/h3>\n\n<p class=\"wp-block-paragraph\">For quantitative or lock-in methods, define modulation frequency, rise\/fall behavior and synchronization with the camera. For steady-state imaging, include short-term noise and long-term drift at the chosen thermal condition.<\/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\">Thermal and electrical integration<\/h3>\n\n<p class=\"wp-block-paragraph\">High optical power requires a controlled heat-removal path and an appropriate driver. The equipment should monitor relevant temperatures and prevent operation outside the agreed envelope. Thermal drift can change optical output and can also heat the sample, altering the measurement being made.<\/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\">Fiber safety and contamination control<\/h3>\n\n<p class=\"wp-block-paragraph\">Near-infrared output is not visible to the operator. The beam path should be enclosed, access controlled and reviewed under the integrator\u2019s laser risk assessment. Fiber end faces and connectors require clean handling; contamination at high power can create localized heating and permanent damage.<\/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\/808nm-fiber-laser-pv-inspection-integration.webp\" alt=\"808 nm fiber-coupled laser integrated into a photovoltaic photoluminescence inspection cabinet\"\/><\/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\">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\">808 nm fiber-coupled laser integrated into a photovoltaic photoluminescence inspection cabinet<\/p>\n<\/div>\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:#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\">Lumexis source families for PV inspection evaluation<\/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\">Published 808 nm models<\/h3>\n\n<figure class=\"wp-block-table alignwide is-style-stripes lumexis-solution-table\"><table>\n<thead>\n<tr>\n<th>Modell<\/th>\n<th style=\"text-align: right;\">Published optical power<\/th>\n<th>Evaluation role<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>808-LXGX0025<\/td>\n<td style=\"text-align: right;\">25 W<\/td>\n<td>Laboratory or smaller-area excitation trials<\/td>\n<\/tr>\n<tr>\n<td>808-LXGX0050<\/td>\n<td style=\"text-align: right;\">50 W<\/td>\n<td>Cell-level PL development and moderate optical-loss budgets<\/td>\n<\/tr>\n<tr>\n<td>808-LXGX0150<\/td>\n<td style=\"text-align: right;\">150 W<\/td>\n<td>Larger fields, shorter exposures or production-tool development<\/td>\n<\/tr>\n<tr>\n<td>808-LXGX0400<\/td>\n<td style=\"text-align: right;\">400 W<\/td>\n<td>Specialized high-throughput systems with engineered homogenization and cooling<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\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\">Published 976 nm models<\/h3>\n\n<figure class=\"wp-block-table alignwide is-style-stripes lumexis-solution-table\"><table>\n<thead>\n<tr>\n<th>Modell<\/th>\n<th style=\"text-align: right;\">Published optical power<\/th>\n<th>Evaluation role<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>976-LXGX0120<\/td>\n<td style=\"text-align: right;\">120\u00a0W<\/td>\n<td>Initial near-band-edge excitation trials<\/td>\n<\/tr>\n<tr>\n<td>976-LXGX0140<\/td>\n<td style=\"text-align: right;\">140 W<\/td>\n<td>Alternative power and package evaluation<\/td>\n<\/tr>\n<tr>\n<td>976-LXGX0260<\/td>\n<td style=\"text-align: right;\">260 W<\/td>\n<td>Larger-area or higher-loss optical systems<\/td>\n<\/tr>\n<tr>\n<td>976-LXGX0280<\/td>\n<td style=\"text-align: right;\">280 W<\/td>\n<td>High-throughput development with confirmed filter margin<\/td>\n<\/tr>\n<tr>\n<td>976-LXGX0750<\/td>\n<td style=\"text-align: right;\">750 W<\/td>\n<td>Specialized high-power platforms with dedicated thermal design<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">These tables identify published power classes, not guaranteed sample irradiance or inspection speed. Fiber geometry, connector, spectral characteristics, drive conditions and package must be confirmed against the current controlled specification. A 915 nm requirement should be treated as a custom configuration review.<\/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\">Building an inline PV inspection station<\/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 sample and question<\/h3>\n\n<p class=\"wp-block-paragraph\">Specify whether the tool inspects ingots, bricks, wafers, cells or modules. List the process defects or material variations that matter and whether the output is qualitative classification or a calibrated parameter 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. Set the cycle-time and image-quality target<\/h3>\n\n<p class=\"wp-block-paragraph\">Provide transport speed, handling time, exposure allowance, field of view and minimum feature size. These establish camera sampling and the required photon budget.<\/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. Select wavelength with the detector and filter<\/h3>\n\n<p class=\"wp-block-paragraph\">Do not choose the source separately. Test excitation wavelength, filter set and camera on representative samples. Confirm that reflected excitation remains below the camera\u2019s usable background level across the full field.<\/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. Design the homogenizer around the sample area<\/h3>\n\n<p class=\"wp-block-paragraph\">Model or measure collimator acceptance, diffuser or microlens-array loss, uniformity and edge roll-off. Include the distance from homogenizer to sample and sensitivity to alignment.<\/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. Close the optical and thermal budgets<\/h3>\n\n<p class=\"wp-block-paragraph\">Calculate required power at the sample and work backward through losses. Evaluate sample heating at the intended irradiance and duty cycle. Design the laser cooling system for steady operation, not only a short laboratory exposure.<\/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. Calibrate and validate<\/h3>\n\n<p class=\"wp-block-paragraph\">Collect dark frames, flat fields and reference-sample data. Test repeatability after warm-up, fiber movement, optical cleaning and part-position variation. Quantitative PL methods require a documented calibration procedure and controlled sample conditions.<\/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<p class=\"wp-block-paragraph\">For a source recommendation, send:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>silicon material and inspection stage;<\/li>\n<li>sample dimensions and illuminated area;<\/li>\n<li>desired wavelength or current reference setup;<\/li>\n<li>required irradiance and uniformity metric at the sample;<\/li>\n<li>camera type, lens, filter and exposure time;<\/li>\n<li>operating mode: continuous, pulsed or modulated;<\/li>\n<li>production cycle time and annual throughput;<\/li>\n<li>fiber core, numerical aperture, connector and length preferences;<\/li>\n<li>source mounting envelope, cooling method and ambient range;<\/li>\n<li>prototype quantity, validation schedule and expected annual volume.<\/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 excitation sources<\/h2>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px;line-height:1.6\">Silicon photoluminescence imaging uses near-infrared fiber-coupled excitation.<\/p>\n\n\n<ul class=\"wp-block-list\" style=\"font-size:15px;line-height:1.7\"><li><a href=\"https:\/\/lumexislaser.com\/de\/808nm-fiber-coupled-laser\/\">808 nm fiber coupled lasers<\/a><\/li><li><a href=\"https:\/\/lumexislaser.com\/de\/915nm-fiber-coupled-laser\/\">915 nm fiber coupled lasers<\/a><\/li><li><a href=\"https:\/\/lumexislaser.com\/de\/976nm-fiber-coupled-laser\/\">976 nm fiber coupled lasers<\/a><\/li><li><a href=\"https:\/\/lumexislaser.com\/de\/fiber-coupled-lasers\/\">Fiber coupled lasers \u2014 full range<\/a><\/li><\/ul>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px;line-height:1.6\">To size irradiance and uniformity for your wafer or module format, <a href=\"https:\/\/lumexislaser.com\/de\/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\">H\u00e4ufig gestellte Fragen<\/h2>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Warum wird 808 nm \u00fcblicherweise f\u00fcr die PL-Bildgebung von Silizium verwendet?<\/summary>\n<p class=\"wp-block-paragraph\">Es wird von kristallinem Silizium absorbiert, ist in praktischen fasergebundenen Leistungsklassen erh\u00e4ltlich und kann mit einem geeigneten optischen Filter von der l\u00e4ngerwelligen Silizium-Lumineszenz getrennt werden. Ver\u00f6ffentlichte Forschung umfasst 808- und 810-nm-Anregungssysteme f\u00fcr die Siliziumzellen-Bildgebung.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Kann 976 nm 808 nm ersetzen, ohne das System zu \u00e4ndern?<\/summary>\n<p class=\"wp-block-paragraph\">Nein. Die Silizium-Absorptionstiefe, die erforderliche Bestrahlungsst\u00e4rke und die Filtertrennung \u00e4ndern sich mit der Wellenl\u00e4nge. Der Homogenisator, der Kamera-Filter, die Streulichtkontrolle und die Belichtung k\u00f6nnen alle eine erneute Validierung erfordern.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Ist die PL-Inspektion f\u00fcr kontaktlose Wafer geeignet?<\/summary>\n<p class=\"wp-block-paragraph\">Ja. Optische Anregung ist ein Grund, warum PL wertvoll ist, bevor eine Probe elektrische Kontakte erhalten hat. Die Interpretation h\u00e4ngt weiterhin vom Materialzustand und der gew\u00e4hlten Analysemethode ab.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>What is the difference between a dark area and a crack?<\/summary>\n<p class=\"wp-block-paragraph\">A dark PL region indicates reduced detected luminescence under the measurement condition. Cracks, recombination, electrical isolation, shading or non-uniform excitation can produce different dark patterns. Classification should be validated against known samples and complementary measurements.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>How much laser power is required for a full solar cell?<\/summary>\n<p class=\"wp-block-paragraph\">There is no universal wattage. Required power follows the illuminated area, target irradiance, homogenizer loss, exposure time, camera sensitivity and wavelength-dependent absorption. Define power at the sample plane and include a measured uniformity specification.<\/p>\n<\/details>\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Can PL imaging operate in normal factory light?<\/summary>\n<p class=\"wp-block-paragraph\">It can be engineered for an enclosed production environment using optical filters, shielding and controlled exposure. Uncontrolled ambient light adds background and variability, so enclosure design remains important.<\/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\">Configure the excitation source as part of the measurement<\/h2>\n\n<p class=\"wp-block-paragraph\">Share your sample, image target, camera, filter and cycle time. Lumexis will help compare 808, 915 and 976 nm options, establish a realistic sample-plane power budget, and define the fiber and thermal interface for prototype validation and OEM production.<\/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:\/\/www.nrel.gov\/docs\/fy11osti\/50706.pdf\" target=\"_blank\" rel=\"noopener\">NREL: Temperature-Dependent Photoluminescence Imaging of a Multicrystalline Silicon Solar Cell<\/a><\/li>\n<li><a href=\"https:\/\/publica-rest.fraunhofer.de\/server\/api\/core\/bitstreams\/08052c63-4240-4888-827b-2b11d886feaa\/content\" target=\"_blank\" rel=\"noopener\">Fraunhofer ISE: Photoluminescence Imaging as a Spatially Resolved, Contactless Method<\/a><\/li>\n<li><a href=\"https:\/\/cpb.iphy.ac.cn\/article\/2018\/1941\/cpb_27_6_068801.html\" target=\"_blank\" rel=\"noopener\">Chinese Physics B: Fiber-Coupled 808 nm Excitation for Silicon Cell PL Imaging<\/a><\/li>\n<li><a href=\"https:\/\/doi.org\/10.1002\/pip.3525\" target=\"_blank\" rel=\"noopener\">Progress in Photovoltaics: Photoluminescence Imaging of Silicon Modules<\/a><\/li>\n<li><a href=\"https:\/\/doi.org\/10.11470\/oubutsu.79.5_425\" target=\"_blank\" rel=\"noopener\">J-STAGE: Photoluminescence Imaging for Semiconductor Substrates<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Configure 808, 915 or 976 nm fiber-coupled excitation for silicon PV photoluminescence imaging by irradiance, uniformity, camera, filtering and thermal design.<\/p>","protected":false},"author":3,"featured_media":924,"parent":11,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-929","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/pages\/929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/comments?post=929"}],"version-history":[{"count":5,"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/pages\/929\/revisions"}],"predecessor-version":[{"id":1786,"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/pages\/929\/revisions\/1786"}],"up":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/pages\/11"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/media\/924"}],"wp:attachment":[{"href":"https:\/\/lumexislaser.com\/de\/wp-json\/wp\/v2\/media?parent=929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}