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Strontium-Barium Niobate (SrxBa(1-x)Nb2O6) SBN is an excellent optical and photorefractive material due to its excellent photorefractive, electro-optic, nonlinear optic, and dielectric properties. SBN crystal has a very large electro-optic coefficient up to 1400 pm/V. and is potential crystal for new generation E-O devices
Standard substrate
SBN60 (Sr0.6Ba(1-0.6)Nb2O6)
Orientation: (100) +/-0.5 o
Size: 20 mm x 20 mm x 1.0 mm
Polish: two sides optical grade polished
Surface roughness:
Packed: each in mebrane box
Typical Properties
Chemical formula
(SrxBa(1-x)Nb2O6) 0.75>x>0.60
Crystal structure
Tetragonal(4mm) a = 3.946 Å c = 12.46 Å
Melting point
1500 oC
Density
5.4 g/cm3
Mohs hardness
5.5
Thermal conductivity
0.006 W/cm*K
EO constants
(r33:460~1400pm/V)
High optical uniformity
(
Dielectric constant
E11=450 E32=900
Coercive field
Ef: ~0.25K V/mm
Curie Temperature
70-80oC
Transmission range
400 6000 nm
Absorption coefficient
0.3cm-1 @ 0.44µm
Piezoelectric Coefficient
D33 = 130 m/V
Refractive index
no=2.312 ne=2.273
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