BIBO Bismuth Borate (BiB306) is a newly developed nonlinear optical crystal with a large effective nonlinear optical coefficient, high damage threshold and no moisture solution.
Its nonlinear coefficient was 3.5-4 times higher than LBO and 1.5-2 times higher than BBO. It can efficiently multiply the frequency by 946nm and produce a blue laser at 473nm.
Product Description
BIBO Bismuth Borate (BiB306) is a newly developed nonlinear optical crystal with a large effective nonlinear optical coefficient, high damage threshold and no moisture solution.
Its nonlinear coefficient was 3.5-4 times higher than LBO and 1.5-2 times higher than BBO. It can efficiently multiply the frequency by 946nm and produce a blue laser at 473nm.
Main Features
light transmittance range: 286-2,500 nm
Large effective nonlinear optical coefficient
High injury threshold
Not easy to tide solution,
Stable physical and chemical performance
Material Properties
| Crystal structure | orthorhombic system |
| Crystal lattice parameters | a=12.532Å, b=6.71Å, c=10.864Å |
| Melting point | 1090℃ |
| Moh's hardness | 4.5 |
| Density | 3.85g/cm³ |
| Thermal conductivity | 10W/(m·K) |
| Thermal expansion coefficient | a:4.4×10-6/K, b:3.5×10-6/K, c:9.3×10-6/K |
| Transmissivity | >95%(1064nm) |
| Optical homogeneity | <0.1% |
| Temperature stability | <10-5/K |
| Nonlinear optical coefficient (pm / V) | d31=8.8, d32=3.5, d33=13.8 |
| Thermo-optical coeffecient | dn/dT=10-5/K |
| Refractive index | no=2.155, ne=2.220(@1064nm) |
| Nonlinear coefficient (pm / V) | 3.5(SHG), 1.8(THG) |
| Effective frequency doubling coefficient (SHG, THG) | 1.7(SHG), 0.9(THG) |
| Walking angle (mrad·cm) | 32(type I), 42(type II) |
| Receiving angle (mrad·cm) | 22.5(type I), 29.5(type II) |
| Phase Matching Range (℃m) | 400~1300(SHG), 900~2600(THG) |
| Temperature acceptance (℃) | 55 |
| Damage threshold (GW/cm2) | ~2.5(SHG), ~0.6(THG) |
Product Parameters
| Dimensional tolerance | (W±0.1mm)x(H±0.1mm)x(L+0.5mm/-0.1mm) (L≥2.5mm)(W±0.1mm)x(H±0.1mm)x(L+0.1mm/-0.1mm) (L<2.5mm) |
| Angular tolerance | △θ≤±0.25°,△φ≤±0.25° |
| Parallelism | <20″ |
| Verticality | <5′ |
| Optical aperture | ≥90% |
| Surface finish | 10-5(MIL-0-13830A) |
| Flatness | <λ/8 @633nm |
| Wavefront distortion | <λ/8 @633nm |
| Optical aperture [GW / cm2] | >0.3 @1064nm, TEM00, 10ns, 10H z |