Aspheric Lens
Aspheric lenses refer to optical lenses with non-uniform surface curvature. Their cross-sectional contour does not conform to a standard spherical shape (i.e., the curvature radius at different points on the surface is different). They are usually of a quadratic surface (such as a paraboloid, hyperboloid, or ellipsoid) or a high-order polynomial surface. Compared with traditional spherical lenses, aspheric design achieves more complex light regulation by precisely controlling the surface curvature. It can significantly reduce spherical aberration, simplify the optical system, reduce the number of lenses, and expand the field of view and aperture, improve image uniformity, and enhance the cost-effectiveness and compactness of the optical system.
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Overview
Specifications
| Parameter | Value |
|---|---|
| IRR [Material: Si,Ge,AL,Au；General] | PV<0.2μm, RMS<0.02μm |
| IRR [Material: Si,Ge,AL,Au；High precision] | PV<0.15μm; RMS<30nm |
| Roughness [Material: Si,Ge,AL,Au；General] | Ra<5nm |
| Roughness [Material: Si,Ge,AL,Au；High precision] | Ra<3nm |
| Centration | ≤3' |
| IRR [Material: Chalcogenide glass,plsstic；General] | PV<0.2μm, RMS<0.02μm |
| IRR [Material: Chalcogenide glass,plsstic；High precision] | PV<100nm; RMS<20nm |
| Roughness [Material: Chalcogenide glass,plsstic；General] | Ra<3nm |
| Roughness [Material: Chalcogenide glass,plsstic；High precision] | Ra<0.5nm |
| IRR [Material: Glasses, FS；General] | PV<0.2μm, RMS<0.02μm |
| IRR [Material: Glasses, FS；High precision] | PV<100nm; RMS<20nm |
| Roughness [Material: Glasses, FS；General] | Ra<3nm |
| Roughness [Material: Glasses, FS；High precision] | Ra<0.5nm |
Key Features
Datasheet
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Supplier Information
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