... ,IR windows; Optical coating service: AR, HR, PR, BBAR, IR, UV filter) 4.SYNTHETIC CRYSTAL(Fluoride Optical Crystal ;Fluoride Scintillation Crystal ... refractive index. CaF2 has found unique advantages in high power laser and UV laser optics. Main Properities and PerformanceTransmission Range(μm)0.13 ... ³)3.18Melting Point(°C)1360 Calcium Fuoride-CaF2 high power laser UV laser optics