Custom Plano-Convex Lens
A plano-convex lens has one convex spherical surface and one flat surface. This asymmetric design is widely used for focusing, collimation and imaging. Refraction causes parallel rays entering the convex surface to converge toward a focal point on the optical axis, allowing a diverging source to be collimated or incident light to be focused. With the convex surface toward parallel incident light, the difference between refraction angles at the spherical and flat surfaces is minimized, reducing spherical aberration and improving focal-spot quality and image clarity.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | BK7, Fused Silica, CaF₂, or Customer-Specified Material |
| Wavelength Range | 185～2100 nm |
| Diameter Range | 4 mm～80 mm |
| Dimensional Tolerance | +0.0 / -0.1 mm |
| Center Thickness Tolerance | ±0.05 mm |
| Sag Tolerance | +0.05 mm |
| Clear Aperture Dimension | > 85% |
| Focal Length Tolerance [High Precision] | ±1% (High Precision) |
| Surface Figure Accuracy | λ/4 PV |
| Surface Quality [Scratch/Dig] | 20/10 S/D (Scratch/Dig) |
| Decentration | < 1 arcmin |
| Coating | Custom Coatings Available to Customer Requirements |
| Lens Type [Optional BK7/Fused Silica/CaF₂ Materials] | Plano-Convex Lens (Optional BK7/Fused Silica/CaF₂ Materials) |
Datasheet
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Supplier Information
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