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ANHUI CRYSTRO CRYSTAL MATERIALS CO., LTD. INNOVATOR FOR MAGNETO OPTICAL CRYSTALS
8 Years
| Ask Lasest Price | |
| Brand Name : | Crystro |
| Model Number : | CR2202241-06 |
| Certification : | SGS/COC |
| Price : | USD 20~200/pc |
| Payment Terms : | T/T, Western Union, MoneyGram, Paypal |
| Supply Ability : | 2000pcs per month |
| Delivery Time : | 4-5 weeks |
Yellow Black Fe2O3 Doped LiTaO3 Wafer Used for Photorefractive Applications
LiTaO3 is an E-O crystal widely used for E-O devices, due to its good optical NLO and E-O properties, as well as high damage threshold.
Fe doped congruent LiTaO3 were grown by Czochralski method. By doping different concentrations of Fe2O3 in LiTaO3 crystal, Test results show that the lattice constant increases with the increase of Fe2O3 content. This result indicates a better Photorefractive property of Fe:LiTaO3 than undoped LiTaO3.
CRYSTRO supplies high quality LiTaO3 boules,ingots and wafers with
the following specifications for standard applications,diameter
upon to 6 inch. We can also offer other specifications upon
request.
| Diameter | 76.2±0.2mm | 100±0.2mm | 150±0.2mm | |
| Primary Flat | 22±1mm | 32±1mm | 47.5mm, 57.5mm, Notch | |
| Orientation | 36°Y, 42°Y, X-112°Y, Y, Z | |||
| Thickness | 0.07mm~1.0mm | 0.1mm~1.0mm | 0.35mm~1.0mm | |
| Surface finish | Single / Double side polish / Double side lapped | |||
| TTV | < 1~5µm | |||
| BOW | ± (20µm ~40um ) | |||
| Warp | <= 20µm ~ 50µm | |||
| LTV (5mmx5mm) | <1.5 um | |||
| PLTV(<0.5um) | ≥98% (5mm*5mm) with 2mm edge excluded | |||
| Polished side Ra | Roughness Ra<=5A | |||
| Back Side Criteria | Roughness Ra:0.5-1.0µm, GC#1000 | |||
| Scratch & Dig (S/D) | 20/10, 40/20, 60/40 | |||
| Edge Profile | Compl't with SEMI M1.2@with GC800# .regular at C typed | |||
| Cracks, saw marks, stains | None | |||
Crystro can offer other size and specification of wafers upon request.
Basic Properties of LiTaO3::
| Crystal Structure | Trigonal, Space group R3c, Point group 3m |
| Cell Parameters | a=5.154Å, c=13.781Å |
| Melting Point | 1650℃ |
| Curie Temperature | 607℃ |
| Mohs Hardness | 5.5 |
| Density | 7.46g/cm3 |
| Dielectric Constants | ε11/ε0:51.7 |
| ε33/ε0:44.5 | |
| Elastic Stiffness Coefficients | CE11:2.33(×1011N/m2) |
| CE33:2.77(×1011N/m2) | |
| Piezoelectric Strain Constants | d22:2.4(×10-11C/N) |
| d33:0.8(×10-11C/N) | |
| Transmission range | 400-4500nm |
| Electro-optical coefficients | r33=30.4pm/V |
| Refractive index at 632.8nm | no=2.176, ne=2.180 |
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