Aspheric Lens TJFSGXMYFQMTJ2010008
Aspheric optical surfaces eliminate spherical aberration, coma, and other aberrations to improve imaging, serving high-resolution imaging, laser shaping, and VR/AR. Conventional spherical surfaces refract but have significant defects. Position-dependent refraction creates spherical aberration, blur, and distortion. Wavelength-dependent refraction creates chromatic fringes and reduces accuracy. Complex aspheric curves offer more uniform refraction, reducing spherical and chromatic aberrations and greatly improving clarity/accuracy in microscopes, telescopes, cameras, and phones. Material selection: UV requires high-purity low-absorption JGS1 silica; high-power lasers require hard, low-expansion H-K9L; IR imaging relies on ZnSe/Ge transmission. Coatings/processes: AR increases throughput; HR serves laser focusing/reflection; edge blackening reduces stray-light damage in high-power systems. Manufacture is challenging. Optical glass offers high index/low dispersion for precision imaging but is harder/costlier to process. Optical plastics are light, economical, and easy to process for cost-sensitive uses. High-precision equipment/advanced technology are required. Conventional grinding/polishing struggle to meet requirements, motivating computer-controlled machining and molding to precisely control shape/dimensions and ensure quality. Note: the preceding table shows only selected asphere sizes; contact us for others. Custom sizes/coatings are supported. Source extension suggestions: add a material-properties column for refractive index, expansion coefficient, and other details; for laser uses, add a laser damage threshold (J/cm²) metric.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Molded Aspheric Lens - Diameter | 9.936 mm |
| Molded Aspheric Lens - Focal Length (EFL) | 8 mm |
| Molded Aspheric Lens - Center Thickness Tc | 3.69 mm |
| Molded Aspheric Lens - Coating | Antireflection Coating |
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Key Features
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