BIBO has a large effective nonlinear coefficient which is 3.5 - 4 times higher than that of LBO, 1.5 - 2 times higher than that of BBO.
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BIBO Crystal
BIBO has a large effective nonlinear coefficient which is 3.5 - 4 times higher than that of LBO, 1.5 - 2 times higher than that of BBO.
Product Details:
Bismuth Triborate (BiB3O6 or BIBO) is a newly developed nonlinear optical crystal. It possesses large effective nonlinear coefficient, high damage threshold and inertness with respect to moisture. Its nonlinear coefficient is 3.5-4 times higher than that of LBO, 1.5-2 times higher than that of BBO. It is a promising doubling crystal to produce blue laser.
LASENCE offers
Strict quality control;
Large crystal size up to 10 × 10 × 15 mm3;
AR-coating mounts and re-working services;
A large quantity of crystals in stock;
Fast delivery (15 days for polished only, 20 days for AR-coated).
Basic Properties
Table 1. Chemical and Structural Properties | |
Crystal Structure | Monoclinic, Point group C2-2 |
Lattice Parameter | 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 Mohs |
Density | 5.033 g/cm3 |
Thermal Expansion Coefficients | αa = 4.8 × 10-5 /K, αb = 4.4 × 10-6 /K, αc = - 2.69 × 10-5 /K |
Table 2. Optical and Nonlinear Optical Properties | ||
Transparency Range | 286 - 2500 nm | |
Absorption Coefficients | < 0.1%/cm at 1064 nm | |
Physical Axis | X∥b, (Z, a) = 31.6°, (Y, c) = 47.2° | |
SHG of 1064/532 nm | Phase matching angle
| 168.9 ° from Z axis in YZ plane |
Deff | 3.0 ± 0.1 pm/V | |
Angular acceptance | 2.32 mrad·cm | |
Walk-off angle | 25.6 mrad | |
Temperature acceptance | 2.17 ℃·cm |
Sellmeier coefficients | n2i (λ) = A + B / (λ2 - C) - D λ2 (λ in µm) | |||
A | B | C | D | |
n1 | 3.6545 (4) | 0.0511 (2) | 0.0371 (3) | 0.0226 (1) |
n2 | 3.0740 (3) | 0.0323 (1) | 0.0316 (3) | 0.01337 (6) |
n3 | 3.1685 (3) | 0.0373 (1) | 0.0346 (3) | 0.01750 (8) |
BIBO's Parameters
Table 3. Specifications | |
Dimension Tolerance | (W ± 0.1 mm) × (H ± 0.1 mm) × (L + 0.5/-0.1 mm) (L≧2.5 mm) (W ± 0.1 mm) × (H ± 0. 1 mm ) × (L + 0.1/-0.1 mm) (L<2.5 mm) |
Clear Aperture | Central 90% of the diameter |
Surface Quality (Scratch/Dig) | 10/5 to MIL-PRF-13830B |
Flatness | ≦λ/8 @633 nm |
Transmitted Wavefront Distortion | ≦λ/8 @633 nm |
Parallelism | 20 arc sec |
Perpendicularity | ≦15 arc min |
Angle Tolerance | Δθ≦0.25 °, ΔФ≦0.25 ° |
Chamfer | ≦0.2 mm × 45° |
Chip | ≦0.1 mm |
Damage Threshold | >0.3 GW/cm2 @1064 nm, 10 ns, 10 Hz (AR-Coated) |
Quality Warranty Period | One year under proper use. |
Coatings
Dual or triple band AR-coatings of BIBO for SHG and THG applications Broad
Band AR-coating (BBAR) and P-coating of BIBO for OPO applications
Low reflectance
Long durability
Other coatings are available upon request
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