CsI has the short-coming of being hygroscopic, but passes infrared rays up to 70
.
It can be used as a prism or window for infrared.
Calsium Fluoride(CaF
2
)
*
Lithium Fluoride(LiF)
*
Magnesium Fluoride(MgF
2
)
*
Barium Fluoride(BaF
2
)
Sodium Chloride(NaCl)
*
Potassium Bromide(KBr)
*
Potassium Chloride(KCl)
*
Cesium Iodide(CsI)
Table of Optical Crystal Characteristics 1
*
Table of Optical Crystal Characteristics 2
Table of dispersion coefficents and Refraction table and ransmission range