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Brand Name : CRYSTRONG
Place of Origin : Jinan,China
MOQ : 1-5
Price : Negotiation
Payment Terms : Net 30 days
Supply Ability : Stock
Delivery Time : 5-30days upon order quantity
Packaging Details : vacuum packaging,plastic box,carton
Material : Calcium fluoride
Thickness tolerance : ±0.2mm
Wave front distortion : 1/4 @633nm
Parallelism : 1 arc minute
Clear aperture : >80%
Bevel : <0.25mmx45°
Calcium Fluoride CaF2 Window High Thermal Expansion Coefficient
Product description:
Its surfaces can be coated by Aluminum or silver or gold. Mirrors with dielectric high reflective coatings are also available.
The CaF2 Window is made from Calcium Fluoride material, which has transparent range from 170-7800nm.The refractive index is 1.399 at 5000nm.It has little hygroscopic susceptibility and high thermal expansion coefficient.CaF2 windows are relatively soft and somewhat hygroscopic so polishing, coating and handling are more critical than UV Fused Silica windows .In addition, the quality of a UV window can be extremely critical.it should be of high purity and polish in order not to affect the optical system. Calcium Fluoride windows are also applicable for a wide range of spectrum. It is particularly useful for wavelength at 2980nm laser application.
Specification:
Material | Calcium fluoride |
Diameter tolerance | +0.0-0,1mm |
Thickness tolerance | ±0.2mm |
Clear aperture | >80% |
Parallelism | 1 arc minute |
Surface quality | Less than 40-20 |
Wave front distortion | 1/4 @633nm |
Bevel | <0.25mmx45° |
coating | uncoated |
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Calcium Fluoride Optical Grade Glass Window High Thermal Expansion Coefficient Images |