Material
   Crystal Material
   Coating Material
Opticelement
   Spherical Lense
   Cylinder Lense
   Prism
   Windows
Coating
   MIR Coating
   FIR Coating
   UV Coating
   Visible Coating
   NIR Coating
   Optical Assembly
stockproduct
   Windows
   Lenses
   Prism
Adir
   Ad
   IR

Material

LiF
        LiF shows excellent transmittance in the VUV region. It is used for windows, prisms, and lenses in the visible and infrared in 0.104 m - 7 m. LiF is sensitive to thermal shock and would be attacked by atmospheric moisture at 400 C. In addition irradiation produces color centers. Modest precautions should be taken against moisture and high energy radiation damage. Besides LiF is softens at 600 C and is slightly plastic that can be bent into radius plates. The material can be cleaved along (100) and less commonly (110). Although the optical characteristics are good the structure is not perfect and cleavage is difficult. For good structure LiF is less commonly grown by the Kyropoulos method (air-grown) specifically for monochromator plates. High quality LiF is usually grown by modified Bridgman technique. Maximum available size in diameters is 115mm. LiF is slightly plastic and can be bent into radius plates.
Detail..

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