透射镜片材料 --- Silver Bromide (AgBr) 溴化银
透射镜片材料 --- Silver Bromide (AgBr) 溴化银
Transmission Range | 0.49 - 32 µm |
Refractive Index | 2.2421 @633 nm |
Reflection Loss | 14.53% @0.67 µm |
Residual Beam Wavelength | 112.7 µm |
Density | 6.473 g/cm3 |
Melting point | 432 °C |
Molecular Weight | 187.77 |
Thermal Conductivity | 1.21 W/(m·K) @273K |
Spec. Heat Capacity | 292 J/(kg·K) @273K |
Thermal Expansion | 35 · 10-6/K @298-333K |
Hardness (Mohs) | 7 |
Young's Modulus | 24.7 |
Shear Modulus | 8.8 |
Bulk Modulus | 44.03 |
Elastic Coefficient | C11 = 56.3; C12 = 32.8; C44 = 7.26 GPa |
Dielectric Constant | 13.1 (1 Mhz, 300K) |
Solubility in Water | 0.000015 g/100g @20°C |
Crystal Structure | cubic, NaCl type structure, a=5.77 Å |
Crystal Type | single crystal, synthetic |
Cleavage Planes | No cleavage |
Standard Diameter | 70 mm |
Application | transmits further into IR, harder, less susceptible to solarisation comp. to AgCl |
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