https://www.opticalglass.cn/blog/ Application notes and sourcing guides on optical glass, AR coatings, IR filters, sapphire & crystal glass, cold processing and laser cutting for aerospace, defense, automotive, medical and industrial optics. en Sun, 20 Sep 2026 03:07:08 GMT https://www.opticalglass.cn/blog/lens-protection-robotics-selection/ https://www.opticalglass.cn/blog/lens-protection-robotics-selection/ Wed, 16 Sep 2026 08:00:00 +0800 Lens Protection Windows covers a wider range of options than most drawings imply, and the differences between them decide both performance and price. This... https://www.opticalglass.cn/blog/ar-glass-automotive-hud-spec/ https://www.opticalglass.cn/blog/ar-glass-automotive-hud-spec/ Tue, 15 Sep 2026 08:00:00 +0800 Specifying AR coated glass for an automotive head-up display is largely a matter of deciding which three numbers actually govern the image the driver... https://www.opticalglass.cn/blog/crystal-glass-quantum-troubleshoot/ https://www.opticalglass.cn/blog/crystal-glass-quantum-troubleshoot/ Mon, 14 Sep 2026 08:00:00 +0800 Failures in quartz and crystal glass used in quantum photonics tend to follow a small number of patterns, and each pattern has a signature. A part can... https://www.opticalglass.cn/blog/glass-materials-laser-industry-quality/ https://www.opticalglass.cn/blog/glass-materials-laser-industry-quality/ Sat, 12 Sep 2026 08:00:00 +0800 A part that measures correctly in the lab and fails in service is almost always a qualification gap rather than a manufacturing defect. This article sets... https://www.opticalglass.cn/blog/how-to-specify-optical-glass-components/ https://www.opticalglass.cn/blog/how-to-specify-optical-glass-components/ Fri, 11 Sep 2026 08:00:00 +0800 A practical guide to writing an optical glass specification that survives quotation, first article and volume production: substrate, tolerances, coating, edge finish, inspection and documentation. https://www.opticalglass.cn/blog/ir-filters-hyperspectral-compare/ https://www.opticalglass.cn/blog/ir-filters-hyperspectral-compare/ Thu, 10 Sep 2026 08:00:00 +0800 There is always more than one way to build a hyperspectral imager, and the options are not equally good at everything. A filter wheel, a linear variable... https://www.opticalglass.cn/blog/lens-protection-stage-lighting-trends/ https://www.opticalglass.cn/blog/lens-protection-stage-lighting-trends/ Wed, 09 Sep 2026 08:00:00 +0800 Requirements in stage lighting and entertainment have been shifting - thinner parts, wider bands, harsher environments - and those shifts change what lens... https://www.opticalglass.cn/blog/cold-processing-advanced-packaging-cost/ https://www.opticalglass.cn/blog/cold-processing-advanced-packaging-cost/ Mon, 07 Sep 2026 08:00:00 +0800 Two quotations for the same glass part in advanced packaging can differ by a factor of three, and the reason is rarely the material. In packaging the... https://www.opticalglass.cn/blog/lens-protection-mobile-robots-selection/ https://www.opticalglass.cn/blog/lens-protection-mobile-robots-selection/ Sun, 06 Sep 2026 08:00:00 +0800 Lens protection windows on an autonomous mobile robot lead a harder life than the same glass inside a fixed machine, and the differences decide both... https://www.opticalglass.cn/blog/ar-glass-lab-instruments-spec/ https://www.opticalglass.cn/blog/ar-glass-lab-instruments-spec/ Sat, 05 Sep 2026 08:00:00 +0800 Specifying AR coated glass for scientific and laboratory instrumentation is largely a matter of deciding which three numbers actually govern the... https://www.opticalglass.cn/blog/blue-glass-underwater-quality/ https://www.opticalglass.cn/blog/blue-glass-underwater-quality/ Fri, 04 Sep 2026 08:00:00 +0800 A part that measures correctly in the lab and fails in service is almost always a qualification gap rather than a manufacturing defect, and underwater... https://www.opticalglass.cn/blog/optical-coating-selection-matrix/ https://www.opticalglass.cn/blog/optical-coating-selection-matrix/ Thu, 03 Sep 2026 08:00:00 +0800 How to choose between anti-reflective, IR-cut, color, dichroic and functional coatings: what each one does, the numbers that define it, and the trade-offs that decide cost and durability. https://www.opticalglass.cn/blog/cold-processing-smartphone-cameras-spec/ https://www.opticalglass.cn/blog/cold-processing-smartphone-cameras-spec/ Tue, 01 Sep 2026 08:00:00 +0800 Specifying optical glass cold processing for smartphone camera modules is largely a matter of deciding which three numbers actually govern the application... https://www.opticalglass.cn/blog/laser-cutting-perovskite-trends/ https://www.opticalglass.cn/blog/laser-cutting-perovskite-trends/ Mon, 31 Aug 2026 08:00:00 +0800 Requirements in perovskite solar have been shifting quickly - larger substrates, thinner glass, and a material stack that degrades if it gets warm - and... https://www.opticalglass.cn/blog/lens-protection-laser-industry-quality/ https://www.opticalglass.cn/blog/lens-protection-laser-industry-quality/ Sun, 30 Aug 2026 08:00:00 +0800 A part that measures correctly in the lab and fails in service is almost always a qualification gap rather than a manufacturing defect. This article sets... https://www.opticalglass.cn/blog/colour-filters-food-inspection-spec/ https://www.opticalglass.cn/blog/colour-filters-food-inspection-spec/ Sat, 29 Aug 2026 08:00:00 +0800 Specifying coated color filter glass for food and beverage inspection is largely a matter of deciding which three numbers actually govern the measurement... https://www.opticalglass.cn/blog/cold-processing-beauty-devices-selection/ https://www.opticalglass.cn/blog/cold-processing-beauty-devices-selection/ Fri, 28 Aug 2026 08:00:00 +0800 Optical Glass Cold Processing covers a wider range of options than most drawings imply, and the differences between them decide both performance and... https://www.opticalglass.cn/blog/glass-materials-hydrogen-cost/ https://www.opticalglass.cn/blog/glass-materials-hydrogen-cost/ Wed, 26 Aug 2026 08:00:00 +0800 Two quotations for the same optical glass part in a hydrogen application can differ by a factor of three, and the reason is rarely the material. The... https://www.opticalglass.cn/blog/ar-glass-biometrics-troubleshoot/ https://www.opticalglass.cn/blog/ar-glass-biometrics-troubleshoot/ Tue, 25 Aug 2026 08:00:00 +0800 Failures in AR coated glass used in biometric and fingerprint recognition tend to follow a small number of patterns, and each pattern has a signature.... https://www.opticalglass.cn/blog/blue-glass-solar-pv-trends/ https://www.opticalglass.cn/blog/blue-glass-solar-pv-trends/ Mon, 24 Aug 2026 08:00:00 +0800 Requirements in solar and photovoltaic manufacturing have been shifting - thinner parts, wider bands, harsher environments - and those shifts change what... https://www.opticalglass.cn/blog/cold-processing-metrology-compare/ https://www.opticalglass.cn/blog/cold-processing-metrology-compare/ Sun, 23 Aug 2026 08:00:00 +0800 There is always more than one way to build a metrology reference, and the options are not equally good at everything. Fused silica, low-expansion glass... https://www.opticalglass.cn/blog/color-filters-semiconductor-cost/ https://www.opticalglass.cn/blog/color-filters-semiconductor-cost/ Fri, 21 Aug 2026 08:00:00 +0800 Two quotations for the same coated color filter glass part in semiconductor and photolithography can differ by a factor of three, and the reason is rarely... https://www.opticalglass.cn/blog/crystal-glass-solar-pv-cost/ https://www.opticalglass.cn/blog/crystal-glass-solar-pv-cost/ Thu, 20 Aug 2026 08:00:00 +0800 Two quotations for the same quartz and crystal glass part in solar and photovoltaic manufacturing can differ by a factor of three, and the reason is... https://www.opticalglass.cn/blog/blue-glass-architectural-appliance-quality/ https://www.opticalglass.cn/blog/blue-glass-architectural-appliance-quality/ Wed, 19 Aug 2026 08:00:00 +0800 A part that measures correctly in the lab and fails in service is almost always a qualification gap rather than a manufacturing defect. This article sets... https://www.opticalglass.cn/blog/laser-cutting-thermal-imaging-quality/ https://www.opticalglass.cn/blog/laser-cutting-thermal-imaging-quality/ Tue, 18 Aug 2026 08:00:00 +0800 A part that measures correctly in the lab and fails in service is almost always a qualification gap rather than a manufacturing defect. This article sets... https://www.opticalglass.cn/blog/crystal-glass-projection-display-troubleshoot/ https://www.opticalglass.cn/blog/crystal-glass-projection-display-troubleshoot/ Mon, 17 Aug 2026 08:00:00 +0800 Failures in quartz and crystal glass used in projection and display systems tend to follow a small number of patterns, and each pattern has a signature.... https://www.opticalglass.cn/blog/lens-protection-aerospace-spec/ https://www.opticalglass.cn/blog/lens-protection-aerospace-spec/ Sat, 15 Aug 2026 08:00:00 +0800 Specifying lens protection windows for aerospace and defense optics is largely a matter of deciding which three numbers actually govern the application... https://www.opticalglass.cn/blog/blue-glass-smartphone-cameras-compare/ https://www.opticalglass.cn/blog/blue-glass-smartphone-cameras-compare/ Fri, 14 Aug 2026 08:00:00 +0800 There is always more than one way to solve the optical problem in smartphone camera modules, and the options are not equally good at everything. This... https://www.opticalglass.cn/blog/crystal-glass-machine-vision-selection/ https://www.opticalglass.cn/blog/crystal-glass-machine-vision-selection/ Thu, 13 Aug 2026 08:00:00 +0800 Optical Quartz and Crystal Glass covers a wider range of options than most drawings imply, and the differences between them decide both performance and... https://www.opticalglass.cn/blog/lens-protection-architectural-appliance-cost/ https://www.opticalglass.cn/blog/lens-protection-architectural-appliance-cost/ Wed, 12 Aug 2026 08:00:00 +0800 Two quotations for the same lens protection windows part in architectural and appliance glass can differ by a factor of three, and the reason is rarely... https://www.opticalglass.cn/blog/crystal-glass-automotive-adas-selection/ https://www.opticalglass.cn/blog/crystal-glass-automotive-adas-selection/ Tue, 11 Aug 2026 08:00:00 +0800 Optical Quartz and Crystal Glass covers a wider range of options than most drawings imply, and the differences between them decide both performance and... https://www.opticalglass.cn/blog/color-filters-smartphone-cameras-quality/ https://www.opticalglass.cn/blog/color-filters-smartphone-cameras-quality/ Sun, 09 Aug 2026 08:00:00 +0800 A part that measures correctly in the lab and fails in service is almost always a qualification gap rather than a manufacturing defect. This article sets... https://www.opticalglass.cn/blog/color-filters-solar-pv-troubleshoot/ https://www.opticalglass.cn/blog/color-filters-solar-pv-troubleshoot/ Sat, 08 Aug 2026 08:00:00 +0800 Failures in coated color filter glass used in solar and photovoltaic manufacturing tend to follow a small number of patterns, and each pattern has a... https://www.opticalglass.cn/blog/color-filters-aerospace-trends/ https://www.opticalglass.cn/blog/color-filters-aerospace-trends/ Fri, 07 Aug 2026 08:00:00 +0800 Requirements in aerospace and defense optics have been shifting - thinner parts, wider bands, harsher environments - and those shifts change what coated... https://www.opticalglass.cn/blog/blue-glass-agri-sensing-cost/ https://www.opticalglass.cn/blog/blue-glass-agri-sensing-cost/ Thu, 06 Aug 2026 08:00:00 +0800 Two quotations for the same optical blue glass part in agricultural sensing and crop monitoring can differ by a factor of three, and the reason is rarely... https://www.opticalglass.cn/blog/ir-filters-architectural-appliance-troubleshoot/ https://www.opticalglass.cn/blog/ir-filters-architectural-appliance-troubleshoot/ Tue, 04 Aug 2026 08:00:00 +0800 Failures in IR filters used in architectural and appliance glass tend to follow a small number of patterns, and each pattern has a signature. This article... https://www.opticalglass.cn/blog/crystal-glass-biometrics-quality/ https://www.opticalglass.cn/blog/crystal-glass-biometrics-quality/ Mon, 03 Aug 2026 08:00:00 +0800 A part that measures correctly in the lab and fails in service is almost always a qualification gap rather than a manufacturing defect. This article sets... https://www.opticalglass.cn/blog/lens-protection-lab-instruments-cost/ https://www.opticalglass.cn/blog/lens-protection-lab-instruments-cost/ Sun, 02 Aug 2026 08:00:00 +0800 Two quotations for the same lens protection windows part in scientific and laboratory instrumentation can differ by a factor of three, and the reason is... https://www.opticalglass.cn/blog/blue-glass-biometrics-spec/ https://www.opticalglass.cn/blog/blue-glass-biometrics-spec/ Sat, 01 Aug 2026 08:00:00 +0800 Specifying optical blue glass for biometric and fingerprint recognition is largely a matter of deciding which three numbers actually govern the... https://www.opticalglass.cn/blog/ar-glass-semiconductor-selection/ https://www.opticalglass.cn/blog/ar-glass-semiconductor-selection/ Fri, 31 Jul 2026 08:00:00 +0800 AR Anti-Reflective Glass covers a wider range of options than most drawings imply, and the differences between them decide both performance and price.... https://www.opticalglass.cn/blog/lens-protection-smartphone-cameras-troubleshoot/ https://www.opticalglass.cn/blog/lens-protection-smartphone-cameras-troubleshoot/ Wed, 29 Jul 2026 08:00:00 +0800 Failures in lens protection windows used in smartphone camera modules tend to follow a small number of patterns, and each pattern has a signature. This... https://www.opticalglass.cn/blog/ar-glass-smartphone-cameras-cost/ https://www.opticalglass.cn/blog/ar-glass-smartphone-cameras-cost/ Tue, 28 Jul 2026 08:00:00 +0800 Two quotations for the same AR coated glass part in smartphone camera modules can differ by a factor of three, and the reason is rarely the material. This... https://www.opticalglass.cn/blog/crystal-glass-arvr-spec/ https://www.opticalglass.cn/blog/crystal-glass-arvr-spec/ Mon, 27 Jul 2026 08:00:00 +0800 Specifying quartz and crystal glass for AR/VR and smart glasses is largely a matter of deciding which three numbers actually govern the application and... https://www.opticalglass.cn/blog/ar-glass-robotics-trends/ https://www.opticalglass.cn/blog/ar-glass-robotics-trends/ Sun, 26 Jul 2026 08:00:00 +0800 Requirements in robotics and factory automation have been shifting - thinner parts, wider bands, harsher environments - and those shifts change what AR... https://www.opticalglass.cn/blog/cold-processing-laser-industry-trends/ https://www.opticalglass.cn/blog/cold-processing-laser-industry-trends/ Sat, 25 Jul 2026 08:00:00 +0800 Requirements in industrial laser processing have been shifting - thinner parts, wider bands, harsher environments - and those shifts change what optical...