Transmittance spectra:
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Дата изменения: Wed Feb 13 13:13:03 2013 Дата индексирования: Fri Feb 28 02:25:41 2014 Кодировка: |
| 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 |
| Eg, eV (E//<0001>, 300 K) | 1.73 |
| Eg, eV (E perpindicular to <0001>, 300 K) | 1.705 |
| Max. Transmittance (l =2.5-15 mm): | ³ 71 % |
| Absorption Coef. (l =10.6 mm): | £ 0.0015 cm-1 (including 2 polished surfaces) |
| Refractive index (l =10.6 mm): | 2.4258 (no), 2.4437 (ne) |
| Refractive indexes at other wavelenghts, birefringence & Sellmeier coefficients | CLICK HERE |
| Specific resistivity | a). low: < 1 Ohm*cm
b). high: > 1012 Ohm*cm |
Transmittance spectra:
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the single crystal tape |
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Typical content of impurities in 5N CdSe crystals
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