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BIBO crystals
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BIBO

BIBO crystals have broad transparent range ( from 286nm to 2500nm). Compared with other NLO crystals, BIBO has 4 times higher nonlinear rate than LBO and even 9 times larger effective SHG rate than KDP. It can be used in SHG and THG of high power Nd: lasers at 1342nm & 1319nm.

 

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  • Optola offers various BIBO crystal sizes by request.
 Flatness λ/8@633 nm
 Parallelism 20 arc sec
 Surface quality 10/5 Scratch/Dig (MIL-PRF-13830B)
 Perpendicularity 15 arc min
 Angle tolerance < ± 0.2°
 Aperture tolerance ±0.1 mm
 Clear aperture >90% central area
 Transmitting wavefront distortion λ/8@633 nm
 Damage threshold0.3 GW/cm2 for 1064nm, 10ns, 10HZ
Crystal StructureMonoclinic,Point group 2
Lattice Parametera=7.116Å, b=4.993Å, c=6.508Å, β=105.62° ,Z=2
Physical AxisX//b,(Z,a)=31.6°,(Y,c)=47.2°
Melting Point726°C
Mohs Hardness5-5.5
Density5.033 g/cm3
Thermal Expansion coefficientαa=4.8×10-5/K,   αb=4.4×10-6/K,  αc=-2.69×10-5/K
Specific Heat0.5 J/gm-K at 330 K
Optical HomogeneityDn~10-6/cm
Hygroscopisitynon

Transparency Range286-2500nm
Absorption Coefficient<0.1%/cm at 1064nm
NLO coefficients (pm/V)d12=d14=2.3, d25=d36=2.4, d11=2.53,
d13=-1.3, d35=-0.9, d26=2.8
SHG 1064nmPhase matching angle:168.9° from z axis in YZ plane
Deff:3.0+/-0.1 pm/V
Angular acceptance:2.32 arad-cm
Walk-off angle :25.6 mrad
temperature acceptance:2.17°C-cm
Sell Meier Equations (λ in μm)
Transparency Range286-2500nm
Absorption Coefficient<0.1%/cm at 1064nm
NLO coefficients (pm/V)d12=d14=2.3, d25=d36=2.4, d11=2.53,
d13=-1.3, d35=-0.9, d26=2.8
SHG 1064nmPhase matching angle:168.9° from z axis in YZ plane
Deff:3.0+/-0.1 pm/V
Angular acceptance:2.32 arad-cm
Walk-off angle :25.6 mrad
temperature acceptance:2.17°C-cm
Sell Meier Equations (λ in μm)n12=3.6545+0.0511/(λ2-0.0371)-0.0226λ2
n22=3.0740+0.0323/(λ2-0.0316)-0.01337λ2
n32=3.1685+0.0373/(λ2-0.0346)-0.01750λ2

n12=3.6545+0.0511/(λ2-0.0371)-0.0226λ2

n22=3.0740+0.0323/(λ2-0.0316)-0.01337λ2
n32=3.1685+0.0373/(λ2-0.0346)-0.01750λ2
Transparency Range286-2500nm
Absorption Coefficient<0.1%/cm at 1064nm
NLO coefficients (pm/V)d12=d14=2.3, d25=d36=2.4, d11=2.53,
d13=-1.3, d35=-0.9, d26=2.8
SHG 1064nmPhase matching angle:168.9° from z axis in YZ plane
Deff:3.0+/-0.1 pm/V
Angular acceptance:2.32 arad-cm
Walk-off angle :25.6 mrad
temperature acceptance:2.17°C-cm
Sell Meier Equations (λ in μm)n12=3.6545+0.0511/(λ2-0.0371)-0.0226λ2
n22=3.0740+0.0323/(λ2-0.0316)-0.01337λ2
n32=3.1685+0.0373/(λ2-0.0346)-0.01750λ2
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