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Sunny Precision Optics Inc. |
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Sunny Precision Optics Inc. |
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BBO
High Temperature form BBO (a-BaB2O4) is a negative uniaxial crystal. Features include wide transparency and phase matching ranges, large nonlinear coefficient, high damage threshold and excellent optical homogeneity.
Physical and optical property
| Crystal Structure | Trigonal, space group R3c |
| Melting Point | 1095 (+/-5¡æ) |
| Wavefront distortion | l/8 per inch, measured by a double-pass interferometer @ 632.8 nm |
| Transition Temperature | 925 (+/-5¡æ) |
| Hardness | 4.5 Mohs |
| Density | 3.85 g/cm3 |
| Absorption Coefficient | < 0.1%/cm (at 1064 nm) |
| Hygroscopic Susceptibility | low |
| Resistivity | > 1011 ohm-cm |
Specification
| Dimension | 1x1-20x20mm |
| Surface Quality | 20/10 Scratch and Dig |
| Beam Deviation | <3 arc min. |
| Optical Axis Orientation | +/-0.5 |
| Flatness | l/4 @ 632.8 nm |
| Transmission Wavefront Distortion | <¦Ë/4@632.8nm |
| AR-coating | R<0.5% |
