Nonlinear LBO (LiB3O5)optical crystal
LBO
(lithium triborate)
Main Properties
| Compound | LiB3O5 | |
| Transparency range, µm | 0.16 – 2.6 | |
| Nonlinear coefficient, pm/V | d31 = 0.67; d32 = 0.85 | |
| Symmetry | Ortorombic, mm2 point group | |
| Cell parameters | a=8.447, b=7.3798, c=5.1408 Å | |
| Typical Reflection index |
1064 nm 532 nm |
nx=1.5656, ny=1.5905, nz=1.6055 nx=1.5785, ny=1.6065, nz=1.6212 |
| Optical Damage Threshold, GW/cm2 |
1053 nm (t=10 ns) |
2.5 |
| Cut off | SHG THG |
554 nm 794 nm |
| Walk off angle, ° | Type I Type II |
0.43 0.22 |
| Mohs hardness | 6 | |
The parameters of optical elements
| Orientation accuracy, arc min | < 30 | |
| Parallelism, arc sec | < 30 | |
| Flatness | 546 nm | λ/6 |
| Surface quality, scratch/dig | 20/10 | |
Application
- Second harmonic generation (SHG) of power radiations of YAG: Nd, YAG: Ho, Ti: Sapphire, Alexandrite and Cu vapour lasers
- Third harmonic generation (THG) of YAG: Nd, Ti: Sapphire, Alexandrite lasers.
- Optical Parametric Oscillation (OPO)/Amplification (OPA) pumped by 308, 355, 532 and 1064 nm
- Autocorrelation (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.