Categories | Piezoelectric Effect Crystals |
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Brand Name: | Crystro |
Place of Origin: | China |
MOQ: | 1pc |
Price: | USD 20~200/pc |
Payment Terms: | T/T, Western Union, MoneyGram, Paypal |
Supply Ability: | 2000pcs per month |
Delivery Time: | 4-5 weeks |
Packaging Details: | Transparent clean box |
Model Number: | CR210205-01 |
Certification: | SGS/ROHS |
Material: | Fiber Optical Isolators Lithium Niobate - LN LiNbO3 Crystal Material |
Crystal Sturucture: | Trigonal, Space group R3c, Point group 3m |
Melting Point: | 1253℃ |
Mohs Hardness: | 5 |
Density: | 4.64g/cm3 |
Optical Homogeneity: | 5x10-5/cm |
Transparency Range: | 420-5200nm |
Absorption Coefficient: | ~0.1%/cm @1064nm |
Company Info. |
ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd. |
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Lithium Niobate - LiNbO3 Crystal Material
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.
Crystro provides:
Basic Properties of LiNbO3
Crystal Sturucture | Trigonal, Space group R3c, Point group 3m |
Melting Point | 1253℃ |
Mohs Hardness | 5 |
Density | 4.64g/cm3 |
Deliquescence | None |
Optical Homogeneity | ~5x10-5/cm |
Transparency Range | 420-5200nm |
Absorption Coefficient | ~0.1%/cm @1064nm |
Refractive Indices at 1064nm | ne=2.146, no=2.220@1300nm ne=2.156, no=2.232@1064nm ne=2.203, no=2.286@632.8nm |
Thermal Expansion Coefficients (at 25℃ ) | //a,2.0x10-6/K //a,2.2x10-6/K |
Thermal Conductivity Coefficients | 38 W/m/K at 25℃ |
Thermal Optical Coefficients | dno/dT=-0.874 x 10-6/K at 1.4μm dne/dT=39.073 x 10-6/K at 1.4μm |
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 |
Specifications of LiNbO3 wedges
Aperture | 1.0 x1.0 mm2 to 4 x 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 | 1.25mmx1.25mmx0.5mm with 13º or 15º wedge, phi=22.5º |
Note: Other sizes and coatings are available upon request.