Optical and spectral properties | |
---|---|
Transmission range in µm (minimum 10%) | 0,14‐15 |
Transmission range in µm (minimum 50%) | 0,14‐14 |
Refractive index @633nm | 1,47326 (1,45 @5µm) |
Reflection losses in % at 1 surface | 3,4 @4µm
|
Reflection losses, % for two surfaces | 6,5 @5µm
|
dN/dT in 1/K | -15,2 · 10-6
|
Physical properties | |
---|---|
Density in g/cm3 | 4,89
|
Melting point in °C | 1368 |
Specific heat capacity in J/(kg · K) | 410
|
Thermal conductivity in W/(m · K) | 10,9
|
Thermal expansion in 1/K | 18,4 · 10-6
|
Dielectric constant | 7,33
|
Solubility in water in g/100g | 0,16 @25°C |
Mohs hardness | 3
|
Knoop hardness in kg/mm² | 82
|
Material type | single crystalline, synthetic
|
Crystal type | kubisch, CaF2 structure |
Crystal structure | cF12
|
Lattice constant in Å | a = 6,2
|
Elastic coefficient in GPa | C11 = 91 C12 = 41,2 C44 = 25,3 |
Young's Modulus (E) in Gpa | 53,07
|
Shear Modulus (G) in GPa | 25,4 |
Bulk Modulus (K) in GPa | 57,8 |
Rupture Modulus in MPa | 26,9
|
Apparent elastic limit in MPa | 26,9
|
Poisson's ratio | 0,31 |
Spectral properties |
---|
sample thickness: 2 mm |
Optical and spectral properties | |
---|---|
Transmission range @10% min. | 0,14 - 15 |
Transmission range @50% min. | 0,14 - 14 |
Brechungsindex @ 633nm | 1,47326 (1,45@5µm) |
Reflection losses in % at 1 surface | 3,4 @ 4µm |
Reflection losses, % for two surfaces | 6,5 @ 5µm |
dn/dT in 1/K | -15,2 · 10-6 |
Physical properties | |
---|---|
Density in g/cm³ | 4,89 |
Melting point in °C | 1368 |
Specific heat capacity in J/(kg · K) | 410 |
Thermal conductivity in W/(m · K) | 10,9 |
Thermal expansion in 1/K | 18,4 · 10-6 |
Dielectric constant | 7,33 |
Solubility in water in g/100g | 0,16 @ 25°C |
Mohs hardness | 3 |
Knoop hardness in kg/mm² | 82 |
Material type | single crystalline, synthetic |
Crystal type | kubisch, CaF2 structure |
Crystal structure | cF12 |
Lattice constant in Å | a = 6,2 |
Elastic coefficient in GPa | C11 = 91 C12 = 41,2 C44 = 25,3 |
Young's Modulus (E) in Gpa | 53,07 |
Shear Modulus (G) in GPa | 25,4 |
Bulk Modulus (K) in GPa | 57,8 |
Rupture Modulus in MPa | 26,9 |
Apparent elastic limit in MPa | 26,9 |
Poisson's ratio | 0,31 |
Spectral properties | |
---|---|