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bibo crystal
bibo crystal

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 of BIBO 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

5.033 g/cm3

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

Absorption Coefficient

<0.1%/cm at 1064nm

Physical Axis

X//b,(Z,a)=31.6°,(Y,c)=47.2°

SHG of 1064/532

Phase matching angle:168.9° from the z-axis in the YZ plane
Deff:3.0+/-0.1 pm/V
Angular acceptance:2.32 arad-cm
Walk-off angle:25.6 rad
temperature acceptance:2.17°C-cm

Sellmeier Coefficients

ni2(λ)=A+B / (λ2-C)-Dλ2 (λ in um)


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)


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Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
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