Lithium Triborate (LBO, or LiB3O5) Crystal is one of the most useful nonlinear optical materials, not just because of its large conversion coefficients (which are 3 times larger than that of KDP), but also its high damage threshold (which is the highest among the inorganic nonlinear crystals), wide angular bandwidth and small walk-off angle. LBO crystal has a broad optical transmission range from 160 to 2600nm, making them appropriate for high-power military/medical Nd:YAG/Nd:YLF lasers, Ti: Saphhire and Cr:liSAF lasers, etc. lt excels in high-power SHG with minimal thermal lensing effect compared to KTP. In addition, LBO crystal also boasts a broad wavelength range where non-critical phase matching (NCPM) can be achieved at room temperature.
LBO Crystals
Lithium Triborate (LBO, or LiB3O5) Crystal is one of the most useful nonlinear optical materials, not just because of its large conversion coefficients (which are 3 times larger than that of KDP), but also its high damage threshold (which is the highest among the inorganic nonlinear crystals), wide angular bandwidth and small walk-off angle. LBO crystal has a broad optical transmission range from 160 to 2600nm, making them appropriate for high-power military/medical Nd:YAG/Nd:YLF lasers, Ti: Saphhire and Cr:liSAF lasers, etc. lt excels in high-power SHG with minimal thermal lensing effect compared to KTP. In addition, LBO crystal also boasts a broad wavelength range where non-critical phase matching (NCPM) can be achieved at room temperature.
Following AR coatings are available:
Dual-band AR-coating of LBO for SHG of Nd:YAG lasers, with the following features:
Low reflectance( < 0.1% at 1064nm and < 0.25% at 532nm)
High damage threshold( > 500 MW/cm2 at both wavelengths)
Long live
Broad Band AR-coating for frequency doubling Ti:Sapphire laser
Other coatings are available upon request
Stocked and custom lithium triborate (LBO) crystals are available
Wide bandwidth for Type I and Type II non-critical phase-matching (NCPM)
Large effective SHG coefficient
High damage threshold (>10GW/cm^2 for 1064nm, TEM00, 10ns, 10HZ)
Maximum size: 70x70x20mm
Thin LBO crystals for femto-line lasers are also available (standard thickness 1-4mm)
Specifications: | |||
Material | LBO crystals | Clear Aperture | central 80% of the diameter |
Dimension | Maximum Dimension 70x70x20mm | Transmitting Wavefront Distortion | better than 位/8 @ 633nm |
Flatness | 位/8 @ 633nm | Surface Quality | Surface Quality: 10/5 S/D (MIL-O-13830A) |
Parallelism | better than 20 arc seconds | Perpendicularity | 15 arc minutes |
Damage Threshold (GW/cm^2) | >10 for 1064nm, TEM00, 10ns, 10HZ (with no coating) | Quality Warranty Period | one year |
>1 for 1064nm, TEM00, 10ns, 10HZ (AR-coated) | |||
>0.5 for 532nm, TEM00, 10ns, 10HZ (AR-coated) |
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