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| Name: | YVO4(Yttrium Orthovanadate) | Hardness: | 5 Mohs |
|---|---|---|---|
| Density: | 4.22g/cm3 | Size: | 4*6*30.8mm |
| Transparency Range: | 400-5000 Nm | Hygroscopic: | Non-hygroscopic |
| Crystal Cell: | A=b=7.12Å; C=6.29 Å | Crystal Structure: | Space Group D4h ，Zircon Tetragonal |
| Thermal Expansion Coefficiet: | αa=4.43x10-6/K;αc=11.37x10-6/K | ||
| High Light: | YVO4 birefringent crystal,Yttrium Vanadate birefringent crystal,Yttrium Vanadate yvo4 crystal |
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Yttrium vanadate (YVO4) single crystal is a widely used artificial crystal material with excellent physical and optical properties. The crystal has a wide light transmission range, high transmittance, large birefringence coefficient, and easy processing. Therefore, YVO4 crystal is widely used in the field of optical fiber communication and is a key material in optical communication passive components such as optical isolators, optical rotators, retarders, and polarizers.
| 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 |
Contact Person: Chen Dongdong
Tel: +86 18326013523
Fax: 86-551-63840588
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