61-6929-77 CaF2 Window For Ultraviolet and Infrared Laser φ20mm Thickness 1mm OPCFU-20C01-P
Analyzer, Testing Equipment

61-6929-77 CaF2 Window For Ultraviolet and Infrared Laser φ20mm Thickness 1mm OPCFU-20C01-P

model: 61-6929-77
brand: SIGMAKOKI CO., LTD.

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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