Infrared laser material Lithium fluoride LiF single crystal substrate UV IR material manufacturers from China

Main performance parameters

Transmission range

0.105 --- 6µm  

Refractive index

1.37327 @2.5 µm; 1.624 @0.121 µm  

Reflection loss

4.4% @4.0 µm  

density

2.63905 g/cm 3  

Melting point

870°C; 848°C  

Thermal conductivity

11.3 W/(m·K) @41°C 

Specific heat

1562 J/(kg·K)  

Thermal expansion

37 · 10 -6  /°C @0°---100°C  

Hardness (Mohs)  

102-113 (Indenter load: 600g)  

Young's modulus

64.79 GPa  

Shear modulus

55.14 GPa  

Body modulus

62.03 GPa  

Modulus of rupture

10.8 MPa  

Coefficient of elasticity

C 11  = 112; C 12  = 45.6; C 44