
Analyzer, Testing Equipment
61-6929-77 CaF2 Window For Ultraviolet and Infrared Laser φ20mm Thickness 1mm OPCFU-20C01-P
Product Description
Product Model: 61-6929-77Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6929-77
Product Brand: SIGMAKOKI CO., LTD.
Features
- Calcium fluoride (CaF2) has excellent transmission properties in a wide wavelength range from vacuum ultraviolet (130 nm) to near infrared (8 μm).
- Wide band window using CaF2.
- A CaF2 window plate (OPCFU) for the ultraviolet to infrared region is also available with fewer impurities and crystal defects and higher transmission characteristics in the ultraviolet region.
- CaF2 is more durable against moisture than other crystals and can be handled in the same way as ordinary optical elements.
- Since CaF2 crystals are isotropic, birefringence (polarization property) does not occur.
- * CaF2 crystals may crack due to sudden temperature changes or impact. CaF2 also has low hardness and scratches when in contact with glass or metal.
- * Be careful when handling the device.
- * The ultraviolet/infrared window plate is not coated with an anti-reflection film.
- * The transmittance is about 94% due to the loss ca***d by surface reflection (3% per surface).
- * Reflected and transmitted wave surfaces are not guaranteed for ultraviolet and infrared window plates.
Spec
-
[Common specifications
] - material: CaF2 crystal for optics
- Parallel: < 3 '
- Scratch-Dig: 60 40
- Effective diameter: 90% in outer diameter
- [individual specification]
- outer diameter φD: φ 20 mm
- Thickness t: 1 mm
- Adaptation wavelength: 130 to 8000 nm
- RoHS conforming products
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