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| Categories | Piezoelectric Effect Crystals |
|---|---|
| Brand Name: | Crystro |
| Model Number: | CR21011-05 |
| Certification: | SGS/COC |
| 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 |
| Item: | SAW Grade LiNbO3 Crystal |
| Melting Point: | 1253℃ |
| Crystal Sturucture: | Trigonal, Space group R3c, Point group 3m |
| Density: | 4.64g/cm3 |
| Transparency Range: | 420-5200nm |
| Absorption Coefficient: | ~0.1%/cm @1064nm |
| Refractive Indices: | ne=2.156, no=2.232@1064nm |
| Origin: | China |
| Company Info. |
| ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
SAW Grade LiNbO3 Crystal
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.
LiNbO3 is also a good acousto-optic crystal and used for surface acoustic wave (SAW) wafer and A-O modulators. Crystro provides acoustic (SAW) grade LiNbO3 crystals in wafers, as-cut boules, finished components and custom fabricated elements.
Anhui Crystro participate in the kinds exhibitions every year: Laser World of Photonics Munich, Shanghai, Photonics West in San Francisco, CIOE in Shenzhen, etc.
Crystro provides:
Typical SAW Properties
| Cut Type | SAW Velocity Vs (m/s) | Electromechanical Coupling Factor K2s(%) | Temperature Coefficient of Velocity TCV (10-6/℃) | Temperature Coefficient of Delay TCD (10-6/℃) |
| 127.86 ° Y-X | 3970 | 5.5 | -60 | 78 |
| Y-X | 3485 | 4.3 | -85 | 95 |
Typical Specifications
| Specifications | Boule | Wafer | ||
| Diameter | Φ3'' | Φ4'' | Φ3'' | Φ4'' |
| Length or Thickness (mm) | ≤100 | ≤50 | 0.35-0.5 | |
| Orientation | 127.86°Y,64°Y,135°Y,X,Y,Z, and other cut | |||
| Ref.Flat Orientation | X,Y | |||
| Ref.Flat Length | 22±2mm | 32±2mm | 22±2mm | 32±2mm |
| Front Side polishing | / | Mirror polished 5-15 Å | ||
| Back Side Lapping | / | 0.3-1.0μm | ||
| Flatness (μm) | / | ≤15 | ||
| Bow (μm) | / | ≤25 | ||
Crystro can offer other size and specification of wafers upon request.
| Crystal Structure | Trigonal, Space group R3C, Point group 3m |
| Cell Parameters | a=5.148 Å , c=13.863 Å |
| Melting Point | 1253oC |
| Curie Temperature | 1140oC |
| Mohs Hardness | 5 |
| Density: | 4.64 g/cm3 |
| Deliquescence | None |
| Optical Homogeneity | ~ 5x10-5 /cm |
| Transparency Range | 420 -- 5200 nm |
| Absorption Coefficient | ~0.1%/cm @ 1064 nm |
| Refractive indices at 1064nm (Pure LN) | 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 Coefficient (@ 25oC) | //a, 2.0x10-6/K |
| //c, 16.7x10-6/K | |
| Thermal Conductivity Coefficient: | 38 W/m/K at 250 oC |
| Thermal Optical Coefficient | dno/dT=-0.874x10-6/K at 1.4 µm dne/dT=39.073x10-6/K at 1.4 µm |
| The Sellmeier equations (Pure LN)) (λ in µm) | no2 = 4.9048+0.11768/(λ2-0.04750)-0.027169λ2 ne2 = 4.5820+0.099169/(λ2-0.04443)-0.021950λ2 |
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