Barium Titanate Crystal

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 nm 633 nm 800 nm no   2.4921 2.4160 2.3681 ne   2.4247 2.3630 2.3235
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 nm 633 nm 800 nm a   3.392 cm-1 0.268 cm-1 0.005 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