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CaF2
Source: Time:2018-07-29 12:46:37
Calcium Fluoride crystal shows good optical and thermo-mechanical properties, can be used for optical windows, lenses, prisms within a wide range from 130nm to 9關m. It has optical properties of isotropy, low absorption and low refractive index, which made CaF2 gain the unique advantages in the application of high power lasers.
Available: Max. Dia: 370mm
Property of CaF2:
Transmission Range 130 nm to 10 μm
Transmittance   >94% at 193 nm to 7.8 μm
Refractive Index 1.39908 at 5 μm
Reflection Loss 5.4% at 5 μm (both surfaces)
Absorption Coefficient 0.03 cm-1 at 2.6 μm to 2.9 μm
dn/dT -10.6 x 10-6 /℃
Density 3.18 g/cm3
Melting Point 1360℃