BIOTAIN CRYSTAL > Single Crystals > Product Information > Next :Lithium tantalate (LiTaO3) single crystal
Lithium niobate (LiNbO3) single crystal
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Major capability parameter
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Growth method
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Czochralski method
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Crystal structure
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M3
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Unit cell constant
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a=b=5.148Å c=13.863 Å
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Melt point（℃）
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1250
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Density（g/cm3）
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4.64
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Hardness
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5（mohs）
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Through scope
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0.4-2.9um
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Index of refraction
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no=2.286 ne=2.203 （632.8nm）
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Nonlinear coefficient
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d33=34.45，d31=d15=5.95，d22=13.07 （pmv-1）
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Denko coefficient
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γ13=8.6，γ22=3.4，γ33=30.8，γ51=28.0，γ22=6.00（pmv-1）
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Through scope
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370～5000nm >68% （632.8nm）
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Thermal expansion
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a11=15.4×10-6/k，a33=7.5×10-6/k
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Product specification
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Size
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<Ø3″
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Surface quality
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10/5
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Size tolerances
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Z： ±0.3mm
X、Y：±0.1mm |
Plane degrees
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v8 （632.8nm）
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Rotating angles
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小于0.5mm，45 º±5 º
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coating film
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R<0.2%（1064nm）
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Precision
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Z： 5′
X、Y：<10′ |
distorted
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<N4（633nm）
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Pack
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100 clean bag，1000 exactly clean bag
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Lithium niobate crystals (LiNbO3, LN) combine excellent properties of piezoelectric, electro-optical, nonlinear optics and pyroelectricity.
Crystal advantages:
1) High electro-optical and nonlinear optical coefficient
2) Wide light transmission window, 321nm-5000nm;
3) Large birefringence Δ(no-ne)=0.086@632.8nm;
4) Can growth Kg-grade bulk LiNbO3 crystal;
5) Good machinability and no deliquescence.
Applications:
Integrated Waveguide Photonics
Wave Guide Lasers
Polarizer for Optic Isolator
EO Waveguide Phase Modulators
EO Waveguide Amplitude Modulators
Quasi-phase Matching for SHG and OPO
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