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[China]
Trade Verify
Address: No. 176, Yuner Road Industrial Park, Hefei City, Anhui, China
Contact name:Zheng
ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd. |
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Verified Suppliers
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Nd:YAG absorbs mostly in the bands between 730–760 nm and 790–820 nm. At low current densities krypton flashlamps have higher output in those bands than do the more common xenon lamps, which produce more light at around 900 nm. The former are therefore more efficient for pumping Nd:YAG lasers.
| Transparency Range | 400-5000nm |
| Crystal Symmetry | Zircon Tetragonal, space group D4h |
| Crystal Cell | a=b=7.12Å,c=6.29Å |
| Density | 4.22g/cm3 |
| Mohs Hardness | 5,glass-like |
| Hygroscopic Susceptibility | Non-hygroscopic |
| Thermal Expansion Coefficient | αa = 4.43×10-6/K；αc = 11.37 ×10-6/K |
| Thermal Conductivity Coefficient | //C: 5.23 W/m/K； ⊥C: 5.10 W/m/K |
| Crystal Class | Positive uniaxial with no=na=nb, ne=nc |
| Thermal Optical Coefficient | dna/dT = 8.5×10-6/K；dnc/dT = 3.0×10-6/K |
| Refractive Indices, Birefringence (Δn = ne- no) and Walk-off Angle @ 45° (ρ) | no = 1.9929, ne = 2.2154, Δn = 0.2225, ρ= 6.04° at 630nm no = 1.9500, ne = 2.1554, Δn = 0.2054, ρ= 5.72° at 1300nm no = 1.9447, ne = 2.1486, Δn = 0.2039, ρ= 5.69° at 1550nm |
| Sellmeier Equation(λ in μm) | no2 = 3.77834 + 0.069736/(λ2 - 0.04724) - 0.0108133λ2 ne2 = 4.59905 + 0.110534/(λ2- 0.04813) - 0.0122676λ2 |
| Dimension tolerance | ±0.05mm |
| Optical axis orientation | ±0.2° |
| Parallelism | ＜15″ |
| Perpendicularity | ＜10′ |
| Flatness | λ/10 @ 633nm |
| Surface Quality | 20/10 |
| AR Coating | upon customer's Specification |
