Main Specification |
Material |
SrxBa1-xNb2O6 (SBN) |
0.25 ≤£ X ≤£ 0.75 |
Crystal Structure |
Tetragonal Point group 4mm |
Lattice parameters |
a = 3.946 Å c = 12.46 Å |
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KNSBN |
SBN(75) |
SBN(60) |
Melting Point |
¡¡ |
1470 - 1490 |
1470 - 1490 |
Curie temperature |
150-250 |
40 |
80 |
Spontaneous polarization |
~30×10-12c/m2 |
17×10-12c/m2 |
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Dielectric constant |
e11~360 |
500 |
450 |
e32 ~120 |
340 |
900 |
Piezoelectric coefficient (m/v) |
d33~270 |
--- |
130 |
d15~400 |
--- |
140 |
Pyroelectric coefficient |
¡¡ |
0.28 μC × cm-2 × K-1 |
0.065 μC × cm-2 × K-1 |
Optical index |
no~2.31 |
2.3117 |
2.3123 |
ne ~2.28 |
2.2987 |
2.2733 |
Transmission Electro-Optic Coefficients |
Y |
1340 |
420 |
40 |
42 |
¡¡ |
--- |
|
¡¡ |
Photorefractive Parameters |
¡¡ |
KNSBN:Cu |
KNSBN:Co |
KNSBN:Ce |
Two-wave coupling gain(cm-1) |
20 |
15 |
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Wavelength |
--- |
450-700nm |
--- |
Sensitivity (cm2/J) |
43011 |
43011 |
43012 |
SPPC reflectivity(%) |
30-68 |
20-70 |
20-45 |
SPPC response time (s) |
<10 |
<20 |
<20 |
Resolution (line pair/mm) |
>30 |
>20 |
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Storage time |
--- |
1-2 months |
--- |
Holographic response time(ms) |
--- |
<200 |
--- |