BaTiO3
BaTiO3 single crystal has excellent photorefractive properties, high self-pumped phase conjugate reflectivity and two-wave mixing (optical amplification) efficiency, and has huge potential application prospects in optical information storage. It is also an important substrate substrate material.CasCrysTech (CCT) provides high quality barium titanate (BaTiO3) crystals upon request from customers.
Uses/Applications
BaTiO3 has huge potential application prospects in optical information storage. It is also an important substrate substrate material.
Features/Benefits
BaTiO3 single crystal has excellent photorefractive properties, high self-pumped phase conjugate reflectivity and two-wave mixing (optical amplification) efficiency.
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Crystal System
Tetragona(4m): 13°C < T <132°C a=3.99 ,c=4.04,(at 26°C)
Density
6.02（g/cm3）
Melt Point
1612℃
Growth Method
Top Seeded Solution Growth ( TSSG)
Dielectric Constant
ea=3700 ec=135(free state)
ea=2400 ec=60
Refractive Index
515nm
633nm
800nm
no
2.4912
2.4160
2.3681
no
2.4247
2.3630
2.3235
Transmission Wavelength
0.43-6.30μm
Photoelectric Coefficient
r1T3=8±2pm/V rT33=105±10pm/V rT42=1300±100pm/V
Self-pumped Phase Conjugate Reflectivity（0°cut）
50 - 70 % for l = 515nm(Ce: BaTiO3)
40 - 60 % (PureBaTiO3) for l = 515nm
50 - 80 % for l = 633nm(Ce: BaTiO3)
40 - 60 % for l = 633nm (PureBaTiO3)
Piezoelectric Coefficient
d33 = 496 pC·N−1
Absorption Loss
l: 515nm
633nm
800nm
a: 0.285cm-1
0.108cm-1
0.033cm-1
Orientation
<100>、<001>、<110>、<111>±0.5º
Dimension
10×10×1/0.5mm、10×5×1/0.5mm、5×5×1/0.5mm
According to customer needs, substrates with special orientation and size can be customized.
Polishing
One side or two sides
Surface Roughness
Surface roughness(Ra):<=10 Å
Atomic Particle Microscopy (AFM) test report can be provided.Package
Class 100 clean bag, Class 1000 super clean room
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Dimension
10×10×1/0.5mm、10×5×1/0.5mm、5×5×1/0.5mm
Customized upon request.