Spherical lens
Spherical lenses converge or diverge light in microscopy, lasers, imaging and illumination. Material choice depends on operating range, while focusing power depends on glass refractive index and surface radius. Gelite customizes lenses from drawings in glass, quartz, ZnSe, ZnS, Si, Ge, CaF2, MgF2, BaF2, LiF, sapphire and other materials. Forms include plano-convex, plano-concave, biconvex, biconcave, meniscus, round, square and custom shapes, plus cemented doublets and triplets.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Diameter | 2mm~1200mm |
| R value range | R1mm-R∞ |
| Outline Tolerance | ≥+-0.005mm |
| Thickness tolerance | ≥+-0.005mm |
| Decenter | ≥10″or Δt ≥0.005mm |
| Surface figure Accuracy λ | λ/20 or above |
| Surface Quality | 10/5～80/50 |
| Coating | According to customer requirements |
Key Features
Datasheet
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