Optical and spectral properties | |
---|---|
Transmission range | 320 ‐ 5600
|
Refractive index @1300 nm | ne=2,146 no=2,220 |
Reflection losses in % at 1 surface @ 633 nm | 14,6 |
optical homogeneity in 1/cm | 5·10-5 |
NLO coefficients in pm/V | d33= 34,40 d31=d15= 5,95 d22= 3,07 |
Damage threshold in MW/cm2 (10ns) | 300
|
Absorption loss in %/cm @1064 nm | < 0,1 |
Physical properties | |
---|---|
Density in g/cm3 | 4,64
|
Melting point in °C | 1253
|
Specific heat capacity in J/(kg · K) | 628
|
Thermal conductivity in W/(m · K) @25°C | 4,19 (⊥ c-axis) 4,6 (∥ c-axis) |
Thermal expansion in 1/K @25°C | 14,8 · 10-6 (⊥ c-axis) 4,1 · 10-6 (∥ c-axis) |
Dielectric constant @298K, 100kH |
82
|
Solubility in water in g/100g | insoluble |
Mohs hardness | 5 |
Knoop hardness in kg/mm² | 630
|
Material type | single crystalline, synthetic
|
Crystal structure | hexagonal
|
Lattice constants in Å | a = 5,15 c = 13,86 |
Elastic coefficient in GPa | C11 = 202 C12 = 55 C13 = 71 C14 = 8,3 C33 = 242 C44 = 60,1
|
Young's Modulus (E) in Gpa | 170
|
Shear Modulus (G) in GPa | 68 |
Bulk Modulus (K) in GPa | 112 |
Poisson's ratio | 0,25
|
Spectral properties | |
---|---|
![]() |