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Plano-Concave Lenses
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Plano concave lens has a negative focal length and is usually used for beam collimation, increasing or decreasing focal length, or expanding or reducing images. In order to obtain a smaller spherical aberration, when the incident beam is a collimated beam, the collimated beam should be incident on the concave surface of the plano concave lens.
Parameters
Specification
Material
Optical Glasses, Fused Silica, Sapphire, Infrared Material, etc.
Diameter Range
0.5 ~ 600mm
Diameter Tolerance +0.00/-0.02mm Surface Irregularity λ/10@632.8nm Surface Quality 10-5 Focal Length Tolerance ±0.5% Centration 30 arc sec. Clear Aperture > 90% of diameter Bevel 0.2mm × 45° Coating As customer's request The Applications of Plano Concave Lens
Plano concave lenses can be used in photography systems, projection systems, imaging systems, optical viewfinder, laser measurement systems, and are widely used in fields such as telescopes, camera lenses, microscopes, light receivers, and condenser lenses.
JT Processing Capability
JT customizes plano concave lenses without coating or with antireflective coating according to customer needs, which can meet customers' different applications in different wavebands. AR coating includes UV、VIS、NIR and SWIR. JT provides plano concave lenses with multiple material substrates, K9 optical glass substrates are suitable for visible and near-infrared applications, germanium, silicon, zinc selenide and calcium fluoride substrates are suitable for infrared applications, and fused silica is suitable for ultraviolet applications.
After 19 years of operation, our team has become an expert in producing high-quality customized lenses for customers. We can also provide design assistance, lens component optimization, manufacturability assistance, and design performance testing.
Contact us now to learn more about our products and customized solutions.
Plano-Concave Lenses
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