BBO nonlinear crystal is a negative uniaxial crystal. It provides phase matching for various second-order interactions almost over its entire transparency range. This transparency ranges from 185 nm to 3.3 µm, as inferred from transmittance measurements using crystal samples of a few mm thickness. It is widely used for nonlinear frequency conversion in the ultraviolet, visible, and near-infrared. The BBO crystal is the most critical nonlinear crystal for near-infrared optical parametric chirped-pulse amplifiers, which currently deliver few optical cycle pulses with high average and ultrahigh peak powers.

BBO Crystal is one of the essential nonlinear optical crystals. Beta-barium borate (β-BaB2O4，β-BBO) combines many outstanding features such as its high nonlinear optical coefficients and low group-velocity dispersion, broad transparency range (189–3500 nm) high damage threshold. This unique combination ensures that β-BBO crystal is a promising candidate for nonlinear optical applications such as frequency converters and optical parametric oscillators. In quantum optics, β-BBO crystal can generate entangled photon pairs and ten-photon entanglement.

BBOrefractive index

BBO crystal case 3Size: 4*4*20mm, z-cut;AR/AR@1030nm,R<0.1%;Electrodes on X faces(with Au/Cr electrodes.);Damage threshold: >7J/cm2@1064nm, 10ns,10HZ

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BBO crystal for Pockels cellDimension: 3×3×20 mm;Phase matching : Type I;S1:AR@1030nm(R<0.2%);S2:AR@1030nm(R<0.2%);S3:Cr+Au coating;S4:Cr+Au coating

Second harmonic generation

Ti:Sapphire Er:YAG Yb:YAG Nd:YAG Ho:YAG Tm:YAG Cr,Er:YAG Cr,Tm,Ho:YAG Yb:CALGO Yb:CaF2 Nd:YVO4 Cr:ZnSe Fe:ZnSe Er,Cr:YSGG Er:YSGG Nd:KGW Yb:KGW Nd:GGG Yb:GGG Er:GGG Nd:GdVO4 Tm:YLF

KTPcrystal

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532nm laser 1300nm laser 1500nm laser 1064nm laser 1064/532nm laser 2000nm laser(Tm:YAG) 2000nm laser(Tm:YLF) 2100nm laser(Ho:YAG) 2100nm laser(Cr,Tm,Ho:YAG) 2790nm laser 2940nm laser

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KBBFcrystal

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Er,Yb:Glass Er,Cr,Yb:Glass N31 Nd:Glass N41 Nd:Glass N51 Nd:Glass NAP Nd:Glass NF Nd:Glass NSG2 Nd:Glass SFG10 Filter Glass

May 10, 2019 — You need to remove shims. Look at what the lens does when you focus closer, it becomes longer. Thus the optical elements are further away from ...

Light, originating in the light source (1), is focused by the condensor (2) onto the specimin (3). The light then enters the objective lens (4) and the image is ...

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