Description
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
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SBN (Sr0.61Ba0.39Nb2O6)
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Orientation: (100) +/-0.5 o
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Size: 10mm x 10mm x 0.5 mm
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Polish: two sides optical grade polished
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Surface roughness: < 5A
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Packed: each in membrane box
Typical Properties
|
Chemical formula |
SrxBa(1-x)Nb2O6 |
|
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 |
(<1×10-4) |
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Dielectric constant |
E11=450 E32=900 |
|
Coercive field |
(Ef:~0.25V/mm |
|
Curie Temperature |
70-80oC |
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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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