| 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 | ||
| ¡¡ | 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 | ¡¡ |
| 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 | --- |
| 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 | --- |
| Storage time | --- | 1-2 months | --- |
| Holographic response time(ms) | --- | <200 | --- |
