Plano-Convex Lens
Plano-convex lenses are ideal for focusing parallel rays to a point and serve many applications. The source describes their focal length as zheng, and their shape as nearly optimal for infinite and finite conjugate applications. They focus collimated beams at the back focal point or collimate a point source. Dingxinsheng plano-convex lenses are usually made from K9 glass, with antireflection coatings for 400-700 nm. UV quartz substrates are also available, offering good UV transmission and a low expansion coefficient, with optional UV AR coatings for special applications.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Optical Glass K9, Quartz, Fused Silica, BK7, Calcium Fluoride |
| Dimensions | φ5mm~400mm |
| Dimensional Tolerance | -0.02~0.1mm |
| Center Thickness Tolerance | -0.02~0.1mm |
| Radius of Curvature Tolerance | <0.001mm |
| Surface Finish | 10/5～60/40 |
| Surface Figure | λ/8～λ/2 |
| Clear Aperture | >90% |
| Edge Bevel | <0.3mm*45° |
| Coating | Antireflection-Coated |
Datasheet
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