Application fields: | IR optics, polarizers, l/4 and l/2 waveplates, beamsplitters; substrates; sources for vacuum deposition, DFM frequency convertors (NCPM type II) |
CAS # | 1306-24-7 |
Growth methods: | HPVB or HPVZM |
Structure | Wurtzite (Hexagonal) |
Density: | 5.81 g/cm3 |
Young’s Modulus: | 5´1011 dyne/cm2 |
Coef. of Thermal Expansion (500 K): | a 1=6.26´10-6/K; a 3=4.28´10-6/K |
Specific Heat: | 0.49 J/gK |
Thermal conductivity (at 25 oC): | 0.04 W/cmK |
Max. Transmittance (l =2.5-15 mm): | ³ 71 % |
Absorption Coef. (l =10.6 mm): | £ 0.0015 cm-1 (including 2 surfaces) |
Refractive index (l =10.6 mm): | 2.4 |
Specific resistivity | a). low: < 1 Ohm*cm
b). high: > 1012 Ohm*cm |
Max. single crystal diameter/length: | Æ 50.8´40 mm |
Max. IR optic blank diameter/length: | Æ 50´50 mm or plate 60´60´6 mm |
Transmittance spectra:
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the single crystal tape |
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