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Barium titanate (BaTiO3) single crystal

Barium titanate (BaTiO3) single crystal

Formula

BaTiO3

Crystal structure

Quartet, Tetragona (4m): 13 ℃ <T 0 <132 ℃

Cell parameters

a = 3.99Å, c = 4.04Å (26 ℃)

Mp

1612 ℃

Growth method

Top-seeded France (TSSG Top Seeded Solution Growth)

Permittivity

ea = 3700 ec = 135 (free state)

ea = 2400 ec = 60 (blessing state)

Index of refraction

 

515nm

633nm

800nm

n 0

2.4912

2.4160

2.3681

n e

2.4947

2.3630

2.3235

Transmission wavelength range

430 ~ 6300nm

Electro-optic coefficient

r T 13 = 8 ± 2pm / V; r T 33 = 105 ± 10pm / V; r T 42 = 1300 ± 100pm / V

Self-pumped phase conjugate reflectivity

40 ~ 60% @ 515nm

Two-wave mixing coupling coefficient

10 - 40 cm -1

Absorption loss

cm -1

515nm

633nm

800nm

0.285

0.108

0.033

Photorefractive effect in the wavelength range

380 ~ 800nm

Photorefractive level

Dimensions and polishing

3x3x3mm 3, 2, or 4 polished surface or polarization

5x5x5mm 3, 2, or 4 polished surface or polarization

Angle

Be 0 ° or 45 °

A substrate stage

Dimensions and polishing

5 * 5 * 1.0mm, 10 * 10 * 1.0mm or according to customer size requirements,

Single throw or double throw

Polarization

Polarization: <100>; <110> or <111> can not polarized; <001> must be polarized

 

Barium titanate (BaTiO3) single crystal has excellent photorefractive properties, with high self-pumped phase conjugate reflectivity and two-wave mixing (light amplification) efficiency. In the optical information storage has enormous potential applications; while it is also an important substrate material.

 

 
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