https://www.high-endrolex.com/1

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    D-48149 Münster
Optical and spectral properties
Transmission range in µm (minimum 10%)
0,12‐11,8
Transmission range in µm (minimum 50%)
0,13‐10,5
Refractive index @633nm
1,432888

(1,39908 @5µm)

Reflection losses in % at 1 surface
2,89 @4µm
Reflection losses, % for two surfaces
5,4 @5µm
dN/dT in 1/K
-10,6 · 10-6
Physical properties
Density in g/cm3
3,18
Melting point in °C
1418
Specific heat capacity in J/(kg · K)
854
Thermal conductivity in W/(m · K)
9,71
Thermal expansion in 1/K
18,9 · 10-6
Dielectric constant
6,76
Solubility in water in g/100g
0,16 · 10-4 @25°C
Mohs hardness
4
Knoop hardness in kg/mm²
163
Material type
single crystalline, synthetic
Crystal type
cubic, face-centered
Crystal structure
cF12
Lattice constant in Å
a = 5,46
Elastic coefficient in GPa
C11 = 165

C12 = 47

C44 = 33,9

Young's Modulus (E) in Gpa
75,8
Shear Modulus (G) in GPa
33,7
Bulk Modulus (K) in GPa
82,71
Rupture Modulus in MPa
40
Apparent elastic limit in MPa
36,5
Poisson's ratio
0,29
Spectral properties
sample thickness: 2 mm
Optical and spectral properties
Transmission range @10% min. 0,12 - 11,8
Transmission range @50% min. 0,13 - 10,5
Brechungsindex @ 633nm 1,432888
(1,39908 @5µm)
Reflection losses in % at 1 surface 2,89 @ 4µm
Reflection losses, % for two surfaces 5,4 @ 5µm
dn/dT in 1/K -10,6 · 10-6
Physical properties
Density in g/cm³ 3,18
Melting point in °C 1418
Specific heat capacity in J/(kg · K) 854
Thermal conductivity in W/(m · K) 9,71
Thermal expansion in 1/K 18,9 · 10-6
Dielectric constant 6,76
Solubility in water in g/100g 0,16 · 10-4 @ 25°C
Mohs hardness 4
Knoop hardness in kg/mm² 163
Material type single crystalline, synthetic
Crystal type kubisch flächenzentriert
Crystal structure cF12
Lattice constant in Å a = 5,46
Elastic coefficient in GPa C11 = 165
C12 = 47
C44 = 33,9
Young's Modulus (E) in Gpa 75,8
Shear Modulus (G) in GPa 33,7
Bulk Modulus (K) in GPa 82,71
Rupture Modulus in MPa 40
Apparent elastic limit in MPa 36,5
Poisson's ratio 0,29
Spectral properties