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Stock List Crystals & Substrates

Stock List Targets

Crystal properties

Crystal Structure

Tetragonal(4m) 13^oC<T<132^oC

Cell parameter

a=3.99Å, c=4.04Å, (at 26 ^oC)

Melting Point

1891 ^oK

Density^.

6.06 g/cm³ (at 26 ^oC)

Specific Heat

0.527 J/g·k (300°K)

Thermal conductivity

6 W/m·k (300°K)

Thermal expansion (10^-6k^-1)

15.7∥?a 6.2∥?c

Dielectric constant(εer)

εea=3000 εec=800

Hardness (Mohs)

4.5

Growth Method

TSSG (Top Seeded Solution Growth)

Index of Refraction

515 nm

633 nm

800 nm

n_o

2.4912

2.4160

2.3681

n_e

2.4247

2.3630

2.3235

Transmission wavelength

0.43 - 6.30 um

Electro Optic Coefficients^.

r^T₁₃ = 8+ / -2 pm/V

r^T₃₃ = 105-/+10 pm/V

r^T₄₂ = 1300+ / -100 pm/V

Reflectivity of SPPC ( at 0 deg. cut )

50-70 % (Ce: BaTiO3) for lamda = 515 nm

40-60 % (PureBaTiO3) for lamda = 515 nm

50-80 % (Ce: BaTiO3) for lamda = 633 nm

40-60 % (PureBaTiO3) for lamda = 633 nm

Two-wave mixing coupling constant^.

10-40 cm^-1

Absorption loss
Lamda:
a :

515 nm
0.285cm^-1

633 nm
0.108cm^-1

800 nm
0.033cm^-1

Wavelength range for photo refractive effect

Undoped BTO

for visible

Ce: BTO

480-780nm

Rh: BTO

720-1060nm

Specifications

Standard Size

10x10, 10x5,

10x3, 5x5 mm

Thickness

0.5mm, 1.0mm

Polishing

one or two side polished

Bulk

5 x 5 x 5 mm

4 x 4 x 4 mm

3 x 3 x 3 mm,

0° or 45° cut, 2 - 6 faces polished

Orientation

<100>, <110>, <001>, <111>

Orientation accuracy

± 0.5°

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