Nonlinear optical crystal BBO (BETA-BAB2O4)
bBO
Main Properties
| Compound | β-BaB2O4 | ||
| Transparency range, µm | 0.189 - 2.6 | ||
| Nonlinear coefficient, pm/V | d22=2.2, d15=0.16 | ||
| Symmetry | Trigonal, 3m point group | ||
| Cell parameters, Å | a=12.519, c=12.723 | ||
|
Typical Reflection index |
1064 nm 532 nm |
no=1.5980, ne=1.5432 no=1.6139, ne=1.5555 |
|
|
Optical Damage Threshold, GW/cm2 |
1064 nm (t=10ns) |
1-2 |
|
| Cut off SHG | Type I Type II |
411 nm 527 nm |
|
| Walk off angle, ° | Type I, 1064 nm | 3.2 | |
| Temperature acceptance, °C*cm | Type I 1064 nm | 55 | |
| Mohs hardness | 4.5 | ||
The parameters of optical elemets
| Orientation accuracy, arc min | < 30 | |
| Parallelism, arc sec | < 30 | |
| Flatness | 546 nm | λ/6 |
| Surface quality, scratch/dig | 10/5 | |
Application
- Harmonic Generation (SHG, THG, 4HG, 5HG) of YAG, SHG of Ti: Sapphire and Alexandrite lasers.
- Tunable solid-state lasers using OPO (pumped by 355, 532 or 1064 nm)
- Efficient UV sources using SHG and SFG of the tunable dye lasers
- Autocorrelators (in thin crystals) in picosecond and femtosecond laser systems.
We are able to provide suitable Anti-reflection / Protective, etc. coatings tailored to customer's specifications, reflectivity curves are applied upon request.