The characteristics of lithium fluoride lenses make them widely applicable in optical systems, such as thermal imaging systems, aerospace optical systems, and excimer laser optical systems. When selecting lithium fluoride lenses, it is necessary to determine the type and specifications of the lens based on specific application requirements.
| Material | optical glass,N-BK7 , Fused Silica,corning 7980,sapphire,Si,Ge,CaF2,LiF,BaF2,Znse,ZnS |
| Dimensions | 3-400mm |
| Dimension Tolerance | ±0.01mm |
| Thickness Tolerance | ±0.01mm |
| Center thickness | >1mm |
| Focal Length tol. | ±1% |
| Centration | 3 arc minutes |
| Surface Quality | 80/50 60/40 40-20 20-10 |
| Clear Aperture | >90% |
| Bevel | Protective bevel as needed |
| Coating | as per your request |
| Wavelength Range | Substrate Material |
| 180nm-8.0μm | Calcium Fluoride (CaF2) |
| 185 nm-2.1 um | UV Fused Silica |
| 200 nm- 5.0 um | Sapphire |
| 200 nm- 6.0 um | Magnesium Fluoride (MgF2) |
| 220 nm to >50 um | CVD Diamond Windows |
| 230 nm- 1.1 um | UV Fused Silica. Textured Antireflective surface |
| 250 nm- 1.6 um | UV Fused Silica, for 45° AOI |
| 250 nm- 26 um | Potassium Bromide (KBr) |
| 350 nm- 2.0 um | N-BK7 |
| 600 nm- 16 um | Zinc Selenide (ZnSe) |
| 1.2- 8.0 um | Silicon (Si) |
| 1.9- 16 um | Germanium (Ge) |
| 2- 5 μm | Barium Fluoride (BaF2) |
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