BIBO is a newly developed nonlinear optical crystal. It has the characteristics of large effective nonlinear optical coefficient, high damage threshold and not easy to deliquescence.
Main features:
♦ Broad temperature acceptance angle width
♦ High conversion efficiency of dissolution frequency doubling (9 times higher than KDP)
♦ High damage threshold
♦ Wide range of light transmission band (286 nm-2500 nm)
♦ Very good internal optical uniformity with low envelope
Typical applications:
♦ Double frequency, triple frequency, sum frequency, difference frequency, etc. of dyes and Ti:sapphire lasers
♦ Frequency double, triple, quadruple and quintuple of 1064 nm Nd:YAG laser
♦ For optical parametric oscillations and amplifiers
Transparency curve of BIBO
Technical Parameters
| Argument Name | Values and Ranges |
Size tolerance | ±0.1 mm |
Dimension tolerance | Δq < 0.5°, Δj < 0.5° |
Clear aperture | > 90% |
Surface quality | 10/5 behind the membrane 20/10 |
Flatness | < λ/10@633nm |
Wavefront distortion | < λ/8@633nm |
Parallelism | < 20 arc sec |
Perpendicularity | < 5 arc min |
Coating | AR, BBAR, P-coatings |
| Quality warranty period | 1 year (with normal use) |
Crystal Structure and Physical Properties
Argument Name | Values and Ranges |
Crystal structure | Monoclinic, Point group 2 |
Crystal parameters | a=7.116 Å, b=4.993 Å , c=6.508 Å , β=105.62°, Z=2 |
Melting point | 726℃ |
Mohs hardness | 5 - 5.5 |
Density | 5.033 g/cm3 |
Deliquescence | Low |
Coefficient of thermal expansion | αa=4.8 x 10-5/K , αb= 4.4 x 10-6/K , αc=-2.69 x 10-5/K |
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