YVO4 (100) 10x10x0.5mm, 1sp - YVO4a101005S1
YVO4 (100) 10x10x0.5mm, 1sp - YVO4a101005S1
Minimum Order: $20 (equipment), $100 (crystals)
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SKU: : \YVO4a101005S1
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Specifications
- Crystal: Single-crystal YVO4
- Size: 10 × 10 × 0.5 mm
- Orientation: (100)
- Polish: One side polished
- Surface Roughness: EPI polished, Ra < 5 Å
YVO4 is a birefringent crystal for fiber optics. YVO4 is an ideal material for optical polarizing components such as fiber-optic isolators, beam displacers, and circulators because of its wide transparency range and large birefringence. Its medium hardness makes it particularly suitable for high-quality polishing and optical finishing.
MTI Corporation has set up a joint venture with Anhui Optics Research Institute of the Chinese Academy of Sciences, KMT Co. Ltd., located in Hefei, China, and has been producing high-quality, low-cost YVO4 single crystals and related components since 1997. Depending on customer requirements, crystal boules up to approximately 30 mm diameter × 35 mm length, as-cut blocks, or polished components with or without AR coating can be supplied.
MTI concentrates on the crystal business and does not manufacture fiber-optic devices in competition with its customers. MTI therefore aims to serve as a long-term partner for the fiber-optics industry.
Typical Properties of YVO4 Crystal
| Crystal Structure | Tetragonal: a = b = 7.12 Å; c = 6.29 Å |
| Growth Method | Czochralski |
| Melting Point | 1825°C |
| Density | 4.22 g/cm3 |
| Hardness | 5 Mohs |
| Thermal Expansion | αa = 4.43 × 10-6/°C αc = 11.37 × 10-6/°C |
| Thermal Conductivity | A-axis: 5.32 W/(m·K) C-axis: 5.10 W/(m·K) |
| Thermal Optic Coefficient | dna/dT = 8.5 × 10-6/°C dnc/dT = 3.0 × 10-6/°C |
| Transmission Range | ~80% over the 400–4000 nm range |
| Refractive Index Birefringence (Δn) and Walk-Off Angle at 45° (ρ) |
no = 1.9929; ne = 2.2154; Δn = 0.2225; ρ = 6.04° at λ = 0.63 µm no = 1.9500; ne = 2.1554; Δn = 0.2054; ρ = 5.72° at λ = 1.30 µm no = 1.9447; ne = 2.1486; Δn = 0.2039; ρ = 5.69° at λ = 1.55 µm |
| Sellmeier Equation (λ in µm) | |
| no2 = 3.77834 + 0.069736 / (λ2 - 0.04724) - 0.0108133 × λ2 ne2 = 4.59905 + 0.110534 / (λ2 - 0.04813) - 0.0122676 × λ2 |
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Standard Products and Specifications
| As-Grown Boules <100> or <001> orientation ±0.5° |
20 mm diameter × up to 20 mm length Boules are not recommended unless necessary because quality verification is difficult at this stage. |
| As-Cut Blocks θ = 0° or 45°, φ = 0° or 45° |
3.2 × 3.2 × 10.3 mm 4.2 × 4.2 × 10.3 mm Other sizes available from the crystal boule. |
| Optically Polished Parts θ = 0° or 45°, φ = 0° or 45° Two sides polished |
Dimension Tolerance: ±0.05 mm Orientation Tolerance: ±0.5° Parallelism: <15" Surface Roughness: EPI polished, Ra < 5 Å Other sizes available upon customer request. |
| AR Coating | R < 0.25% at 1550 nm (available upon request) |
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