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Specifications
Light Path Map
Overview
Description
Specifications
| Material | CaF2, BaF2, MgF2, Si, Ge, and ZnSe |
| Dimension Tolerance | +0/-0.1mm |
| Thickness Tolerance | ±0.1mm |
| Surface Quality | 60/40 scratch and dig |
| Clear Aperture | >90% |
| Power(fringe@633nm) | 3 |
| Irregularity(fringe@633nm) | 0.5 |
| Centration | <3 arc minutes |
| Focal Length Tolerance | ±2% |
| Chamfer | Protective <0.5mmx45° |
| Coating | AR coating 1.8-3µm, 3-5µm and 8-14µm Other coatings is available upon request |
Light Path Map
Tab Content
Overview
| Calcium Fluoride(CaF2) | ★ Transmission Range 0.17-7.8µm |
| ★ Ideal for Excimer laser application | |
| ★ Low refractive index, low reflective loss, can be used without AR coating | |
| Barium Fluoride(BaF2) | ★ Transmission Range 0.2-11µm |
| ★ Resistant to high energy radiation | |
| ★ 3-5µm AR coating available | |
| Magnesium Fluoride(MgF2) | ★ Transmission Range 0.12-7µm |
| ★ Durable and strong | |
| ★ Low refractive index, low reflective loss, can be used without AR coating | |
| Silicon(Si) | ★ Transmission Range 1.2-7µm |
| ★ Light weight and good thermal conductivity | |
| ★ 3-5µm AR coating available | |
| Germanium(Ge) | ★ Transmission Range 2-14µm |
| ★ Ideal for Military, security and imaging application | |
| ★ 8-14µm AR coating available | |
| Zinc Selenide(ZnSe) | ★ Transmission Range 0.5-19µm |
| ★ Mainly used in CO2 laser application due to its excellent imaging characteristics and high resistance to thermal shock | |
| ★ 8-12µm AR coating available |
Description
Crylink offers a wide variety of infrared spherical lenses. We can offer plano-convex, plano-concave, double-convex, double-concave and meniscus types. The available material includes CaF2, BaF2, MgF2, Si, Ge, and ZnSe, which covering wavelengths from the UV to 19µm.
And we can also offer different AR coatings covering 1.8-3µm, 3-5µm and 8-14µm. Special coating is also available upon request. Below is the list of the features of these IR lenses we can supplied.
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