YVO4 Crystal (Yttrium Orthovanadate Crystal)
YVO₄ Birefringent Crystal,Excellent Physical Optics,Broad/High Transmission/Large Birefringence/Easy Processing,Key Passive Telecom Isolator/Rotator/Retarder/Polarizer Material.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Transmission Range | High Transmittance 0.4-5μm |
| Crystal Symmetry | Tetragonal Zircon, Space Group D4h |
| Lattice Parameters | a=b=7.12A; c=6.29A |
| Density | 4.22 g/cm³ |
| Mohs Hardness | 5, Approximately Glass |
| Deliquescence | Non-Deliquescent |
| Thermal Expansion Coefficient | αₐ=4.43x10⁻⁶/K; α_c=11.37x10⁻⁶/K |
| Thermal Conductivity | //C:5.23 W/m/K; ⊥C:5.10 W/m/K |
| Crystal System | Positive Uniaxial Crystal nₒ=nₐ=n_b, nₑ=n_c |
| Thermo-optic Coefficient | dnₐ/dT=8.5x10⁻⁶/K; dn_c/dT=3.0x10⁻⁶/K |
| Refractive Index, Birefringence (△n=nₑ-nₒ), Walk-Off Angle at 45° (ρ) | nₒ=1.9929, nₑ=2.2154, △n=0.2225, ρ=6.04° at 0.63μm nₒ=1.9500, nₑ=2.1554, △n=0.2054, ρ=5.72° at 1.30μm nₒ=1.9447, nₑ=2.1486, △n=0.2039, ρ=5.69° at 1.55μm |
| Sellmeier Equation (λ Expressed in μm) | nₒ²=3.77834+0.069736/(λ²-0.04724)-0.0108133λ² nₑ²=4.59905+0.110534/(λ²-0.04813)-0.0122676λ² |
| Birefringent Wedge Specifications for Fiber Isolators - Aperture | 1.0x 1.0mm2 to 4x4mm² |
| Birefringent Wedge Specifications for Fiber Isolators - Dimensional Tolerance | +/-0.05mm |
| Birefringent Wedge Specifications for Fiber Isolators - Wedge Angle Tolerance | +/-15% |
| Birefringent Wedge Specifications for Fiber Isolators - Optical Axis Azimuth | +/-0.5° |
| Birefringent Wedge Specifications for Fiber Isolators - Flatness [632.8 nm] | λ/4 @ 632.8 nm |
| Birefringent Wedge Specifications for Fiber Isolators - Surface Quality | 20-10 |
| Birefringent Wedge Specifications for Fiber Isolators - Anti-Reflection Coating [1550 or 1310nm] | R<0.2% @1550 or 1310nm |
| Birefringent Wedge Specifications for Fiber Isolators - Standard Dimensions [Note: Other Dimensions and Coatings Customizable as Required] | 1.25mmx1.25mmx0.5mm with 13° or 15° Wedge Angle, phi=22.5° |
| YVO4 for Optical Circulators and Beamsplitters - Dimensional Tolerance | W(+/-0.05mm)xH(+/-0.05mm)xL(+/-0.1mm)or(+/-0.003mm) |
| YVO4 for Optical Circulators and Beam Splitters - Optical Axis Azimuth | +/-0.5° |
| YVO4 for Optical Circulators and Beamsplitters - Parallelism | <15 arc sec |
| YVO4 for Optical Circulators and Beamsplitters - Perpendicularity | <10 arc min |
| YVO4 for Optical Circulators and Beamsplitters - Flatness [632.8nm] | λ/4 @ 632.8nm |
| YVO4 for Optical Circulators and Beamsplitters - Surface Quality | 20/10 |
| YVO4 for Optical Circulators and Beam Splitters - Anti-Reflection Coating [1550 or 1310nm +/-40nm] | R<0.2% @1550 or 1310nm +/-40nm |
| YVO4 for Optical Circulators and Beam Splitters - Standard Dimensions [Note: Other Dimensions and Specifications Customizable as Required] | 2.6x2.6x10mm, θ=45°,φ=0° |
| Material Comparison - Thermal Expansion Coefficient [c-Axis] | 11.4x10⁻⁶ |
| Material Comparison - Thermal Expansion Coefficient [a-Axis] | 4.4x10⁻⁶ |
| Material Comparison - Reflection Coefficient nₒ [1550nm] | 1.9447@1550nm |
| Material Comparison - Reflection Coefficient nₑ [1550nm] | 2.1486@1550nm |
| Material Comparison - Birefringence (nₑ-nₒ) [1550nm] | 0.2039@1550nm |
| Material Comparison - Mohs Hardness | 5 |
| Material Comparison - Deliquescence | None |
| Material Comparison - Transmission Range | 0.4-5μm |
Datasheet
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Supplier Information
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