BIBO Laser Crystals
BIBO( BiB3O6) Crystal is a newly developed Nonlinear Optical Crystal. It features a large effective nonlinear coefficient, a high damage threshold, and inertness to moisture. Its nonlinear coefficient is 3.5-4 times higher than that of LBO, and 1.5-2 times higher than that of BBO. It is a promising SHG crystal to generate blue laser output.
Applications ofBIBO Laser Crystals
SHG and THG for medium and high power Nd: lasers at 1064nm
SHG and THG of high power Nd: lasers at 1342nm & 1319nm
SHG for the Nd: Lasers at 914nm & 946nm
Optical Parametric Amplifiers (OPA) and Oscillators (OPO) application
Advantages of BIBO Laser Crystals
Large effective nonlinear coefficient
High damage threshold
Inertness to moisture
Specifications of BIBO Laser Crystals
Tolerance of cutting angle |
△θ≤±0.25°,△φ≤±0.25° |
Dimension 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) |
Transmitting wavefront distortion |
λ/8 @ 633 nm |
Clear aperture |
> 90% central area |
Flatness |
λ/8 @ 633 nm |
Surface quality:Scratch/Dig |
10/5 to MIL-O-13830A |
Parallelism |
better than 20 arc seconds |
Perpendicularity |
5 arc minutes |
Clear Aperture: |
> 90% |
Chamfer: |
< 0.1 mm @ 45° |
Size |
Upon customer request |
Coating |
AR/PR coating upon customer’s request |
Damage Threshold |
>0.3GW/cm2 at 1064nm, TEM00, 10ns, 10Hz |
Quality Warranty Period |
One year under proper use |
Chemical and Structure Properties of BIBO Crystal
Crystal Structure |
Monoclinic, Point Group 2 |
Lattice Parameter |
a=7.116Å,b=4.993Å, c=6.508Å, β=105.62° ,Z=2 |
Melting Point |
726°C |
Melting Point |
726°C |
Density |
|
Thermal Expansion Coefficient |
αa=4.8x10^-5 /K, αb=4.4x10^-6 /K, αc=-2.69x10^-5 /K |
Optical and Nonlinear Optical Properties of BIBO Crystal
Transparency Range |
286-2500nm |
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Absorption Coefficient |
<0.1%/cm at 1064nm |
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Physical Axis |
X//b,(Z,a)=31.6°,(Y,c)=47.2° |
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SHG of 1064/532 |
Phase matching angle:168.9° from the z-axis in the YZ planeDeff:3.0+/-0.1 pm/VAngular acceptance:2.32 arad-cmWalk-off angle:25.6 radtemperature acceptance:2.17°C-cm |
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Sellmeier Coefficients |
ni2(λ)=A+B / (λ2-C)-Dλ2 (λ in um) |
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A |
B |
C |
D |
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n1 |
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n2 |
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n3 |
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