BaTiO3 – Barium Titanate Crystal

Description

BaTiO3 is a very unique crystal with superior photo-refractive and ferroelectric properties. PSC supplies both of substrate grade and photo refractive grade BaTiO3 single crystal with excellent quality and affordable price.

Crystal Structure:Tetragonal (4m)
9°C < T < 130.5 °C
a=3.99 Å, c= 4.04 Å
Growth Method:Top Seeded Solution Growth
Melting Point:1600 °C
Density:6.02 g/cm3
Dielectric constants:ea = 3700, ec = 135 (unclamped) 

ea = 2400, ec = 60 (clamped)

Index of Refraction:
l 515 nm633 nm800 nm
no 2.49212.41602.3681
ne 2.42472.36302.3235
Transmission wavelength:0.45 ~ 6.30 µm
Electro Optic Coefficients:rT 13 = 11.7 ± 1.9 pm/V 

rT 33 = 112 ± 10 pm/V

rT 42 = 1920 ± 180 pm/V

Reflectivity of SPPC ( at 0 deg. cut ):50-70% (max. 77%) for l = 515 nm 

50-80% (max: 86.8%) for l = 633 nm

Two-wave mixing coupling constant:10-40 cm-1
Absorption loss:
l 515 nm633 nm800 nm
a 3.392 cm-10.268 cm-10.005 cm-1

Standard BTO Crystal Products

Substrate grade BTO:
(poled, but with domains)
5x5x1.0 mm, <100> or <001> Orientation
1-2 sides polished
10x10x1.0 mm, <100> or <001> Orientation
1-2 sides polished