Catalog
Longpass Filters/Protective Windows
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JNS Glass and Coating provide protective filters which safeguard lenses, displays and lighting equipment from dirt, dust, liquids, impacts, and harsh environments without compromising image quality. These economical solutions are ideal for UV, visible, and near-infrared imaging, available in both glass and acrylic with optional high-efficiency anti-reflection coatings for up to 98% transmission. With exceptional 40/20 scratch-dig surface quality, they offer a wide range of mounting options, including threaded, C-Mount, slip mounts, and custom sizes. Windows are also provide unmounted with custom printing and VHB adhesives for installation on mating parts. Applications span various industries, from industrial cameras and LCD covers to autonomous vehicles, drones, and even thermal applications, providing reliable protection in demanding environments.
Unit of Measure
| Items |
/Asset/Logo-2.jpg LP170 Fused Silica Protective Window |
/Asset/Logo-2.jpg LP171 MultiLayer Visible Fused Silica Window |
/Asset/Logo-2.jpg LP190 Sapphire Protective Window |
/Asset/Logo-2.jpg LP286 Borofloat® Multilayer VIS AR + Oleo |
/Asset/Logo-2.jpg LP389 VIS+NIR AR Coated Window |
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| Filter Type | N/A | |||||||||
| Substrate | N/A Fused Silica | N/A Fused Silica | N/A Sapphire | N/A Borofloat® | N/A Gorilla®/B270 | |||||
| Useful Range | N/A 200 to 2300 nm | N/A 380 to 900 nm | N/A 250 to 2300 nm | N/A 350 to 1100 nm | N/A 400 to 1100 nm | |||||
| Tolerance (±) | N/A 10 nm | |||||||||
| Cut-On 50 Percent (%) | N/A 170 nm | N/A 170 nm | N/A 190 nm | N/A 340 nm | N/A 380 nm | |||||
| Peak Transmission | N/A 85 % | N/A 98 % | N/A ≥90 % | N/A ≥98 % | N/A ≥98 % | |||||
| Surface Quality | N/A 40/20SD | N/A 40/20SD | N/A 80/50SD | N/A 40/20SD | N/A 40/20SD | |||||
| Intended Application | N/A Protective | |||||||||
| Optional Features |
N/A
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