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α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm

  • α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm
Place of Origin China
Brand Name ZCQ
Certification RoHS
Model Number Customized
Minimum Order Quantity Negotiated
Packaging Details Safe packaging
Delivery Time 3-4 weeks
Payment Terms T/T
Supply Ability 1000 pieces per month

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Product Details
Transmitting Range 189nm~3500nm Density 3.85g/cm3
Therm-Optic Coefficients Dno/dT=-9.3 X 10-6/ °C， Dno/dT=-16.6x10-6/ °C Optical Homogeneity Δn≈10-6/cm
Mohs Hardness 4.5 Damage Threshold 1GW/cm2 At 1064nm 500MW/cm2 At 532nm
Hygroscopic Susceptibility Low Thermal Expansion Coefficients αa=4x10-6
Linear Absorption Coefficients A<0.005cm-1 From 300nm To 2300nm Surface Quality Better Than 20/10 Scratch/dig
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α-bbo optical crystal

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optical crystal 189nm
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Product Description

α-BBO α Barium metaborate crystal

 

Barium metaborate (α-BBO) crystal is an excellent birefringent material with excellent optical properties and excellent transmittance in both ultraviolet and mid infrared. α-BBO crystals have good internal quality, low absorption, and are widely used in high extinction ratio and deep ultraviolet laser systems due to their excellent ultraviolet transmittance. They are mainly processed into Glan polarization prisms, polarization beam splitters, compensators, and so on.

Application: Gran prism, polarization beam splitter, compensator, etc

 

Specifications:

Diameter: Max 50m
Length: Max 35mm
Surface Quality: better than 20/10 scratch/dig
Beam Deviation: < 3 arc min
Optical Axis Orientation: +/-0.2deg
Flatness: < λ/4 @632.8nm
Wavefront Distortion: < λ/2 @632.8nm
Coating: Coating upon Request

 

Properties:

Transmitting range 189nm~3500nm
Density 3.85g/cm3
Therm-Optic Coefficients dno/dT=-9.3 x 10-6/ °C
dno/dT=-16.6x10-6/ °C
Optical Homogeneity Δn≈10-6/cm
Mohs Hardness 4.5
Damage Threshold 1GW/cm2 at 1064nm
500MW/cm2 at 532nm
Hygroscopic Susceptibility Low
Thermal Expansion Coefficients αa=4x10-6
(25 °C - 900 °C) αa=4x10-6
Linear Absorption Coefficients a<0.005cm-1 from 300nm to 2300nm
Refractive Indices,
Birefringence(△n=ne-no)
and wal-off Angle at 45 °C(ρ)		 ne=1.58462,no=1.65790,Dn=-0.073282;ρ=-4.9532° at 1064nm
ne=1.60206,no=1.67755,Dn=-0.075491;ρ=-5.0407° at 532nm
ne=1.67190,no=1.76171,Dn=-0.089805;ρ=-5.6926° at 266nm
Sellmeier equation(l in μm) no2=2.7471+0.01878/( λ2-0.01822)-0.01354 λ2
ne2=2.37153+0.01224/( λ2-0.01667)-0.01516 λ2

 

Tags:

β barium metaborate optical crystal

bbo optical crystal

α-bbo optical crystal