Product Details:
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Material: | LiNbO3 | Aperture: | 1.0×1.0 Mm2 To 4×4 Mm2 |
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Dimension Tolerance: | ±0.05mm | Wedge Angle Tolerance: | ±0.1° |
Optical Axis Orientation: | ±0.5° | Flatness: | λ/4 @ 632.8nm |
Surface Quality: | 20/10 | AR-coating: | R<0.2% @ 1550nm±40nm |
Highlight: | LiNbO3 Crystals,Lithium Niobate,12031-63-9 |
LiNbO3 crystal combines low cost, good mechanical and physical properties as well as high optical homogeneity. Therefore, LiNbO3 wedges have been widely used in fiber isolators and circulators.
Advantages:
• 50,000 to 100,000 pcs/month of LiNbO3 wedges used for fiber optical isolators and circulators;
• Reliable Delivery;
• Strict quality control;
• Technical support;
• Very competitive price.
Table 1. Basic Properties of LiNbO3
Crystal Structure | Trigonal, Space group R3c, Point group 3m |
Melting Point | 1253℃ |
Mohs Hardness | 5 |
Density | 4.64g/cm3 |
Deliquescence | None |
Optical Homogeneity | ~5×10-5/cm |
Transparency Range | 420nm-5200nm |
Absorption Coefficient | ~0.1%/cm @ 1064nm |
Refractive indices at 1064nm | ne = 2.146, no = 2.220 @ 1300 nm ne = 2.156, no = 2.232 @ 1064 nm ne = 2.203, no = 2.286 @ 632.8 nm |
Thermal Expansion Coefficients(at 25℃) | //a, 2.0×10-6/K //c, 2.2×10-6/K |
Thermal Conductivity Coefficient | 38 W/m/K at 25℃ |
Thermal Optical Coefficient | dno/dT=-0.874×10-6/K at 1.4 μm dne/dT=39.073×10-6/K at 1.4 μm |
The Sellmeier equations(λ in μm) | no2 = 4.9048 + 0.11768/(λ2-0.04750) - 0.027169λ2 ne2 = 4.5820 + 0.099169/(λ2-0.04443) - 0.02195λ2 |
Table 2. Specifications of LiNbO3 wedges
Aperture | 1.0×1.0 mm2 to 4×4 mm2 |
Dimension tolerance | ±0.05mm |
Wedge Angle tolerance | ±0.1° |
Optical axis orientation | ±0.5° |
Flatness | λ/4 @ 632.8nm |
Surface Quality | 20/10 |
AR-coating | R<0.2% @ 1550nm±40nm |
Standard Size | 1.25mm×1.25mm×0.5mm with 13° or 15° wedge,phi=22.5° |
Notes: Other sizes and coatings are available upon request.
Contact Person: JACK HAN
Tel: 86-18655618388