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LBO
€210.00 – €740.00
Lithium Tri-borate or LBO crystal is widely used broad optical transparency nonlinear optical material. Compared with other NLO crystals, such as KDP, LBO has 3 times larger conversion coefficient. It is suitable for high power SHG applications because of minimal thermal lensing as compared to KTP.
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- Optola offer wide range of different dimensions LBO crystals.
- Wide range of sizes are available upon request
- Dimension tolerance: ±0.1mm
- Clear aperture: central 90% of the diameter
- Flatness: less than λ/8 @ 633nm
- Transmitting wavefront distortion: less than λ/8 @ 633nm
- Chamfer: ≤0.2mm x 45°
- Chip: ≤0.1mm
- Scratch/Dig: 10/ 5
- Parallelism: better than 20 arc seconds
- Perpendicularity: ≤5 arc minutes
- Angle tolerance: △θ≤0.25°, △φ≤0.25°
- Damage threshold [GW/cm2]:
>10 for 1064nm, TEM00, 10ns, 10HZ (polished only)
>1 for 1064nm, TEM00, 10ns, 10HZ (AR-coated)
>0.5 for 532nm, TEM00, 10ns, 10HZ (AR-coated)
| Transparency Range | 160-2600nm |
| SHG Phase Matchable Range | 551-2600nm (Type I) 790-2150nm (Type II) |
| Therm-optic Coefficient (/℃, λ in μm) | dnx/dT=-9.3X10-6 dny/dT=-13.6X10-6 dnz/dT=(-6.3-2.1λ)X10-6 |
| Absorption Coefficients | <0.1%/cm at 1064nm <0.3%/cm at 532nm |
| Angle Acceptance | 6.54mrad·cm (φ, Type I,1064 SHG) 15.27mrad·cm (θ, Type II,1064 SHG) |
| Temperature Acceptance | 4.7℃·cm (Type I, 1064 SHG) 7.5℃·cm (Type II, 1064 SHG) |
| Spectral Acceptance | 1.0nm·cm (Type I, 1064 SHG) 1.3nm·cm (Type II, 1064 SHG) |
| Walk-off Angle | 0.60° (Type I 1064 SHG) 0.12° (Type II 1064 SHG) |
| NLO Coefficients | deff(I)=d32cosΦ (Type I in XY plane) deff(I)=d31cos2θ+d32sin2θ (Type I in XZ plane) deff(II)=d31cosθ (Type II in YZ plane) deff(II)=d31cos2θ+d32sin2θ (Type II in XZ plane) |
| Non-vanished NLO susceptibilities | d31=1.05± 0.09 pm/V d32= -0.98± 0.09 pm/V d33=0.05± 0.006 pm/V |
| Sellmeier Equations (λ in μm) |
nx2=2.454140+0.011249/(λ2-0.011350)-0.014591λ2-6.60×10-5λ4 ny2=2.539070+0.012711/(λ2-0.012523)-0.018540λ2+2.00×10-5λ4 nz2=2.586179+0.013099/(λ2-0.011893)-0.017968λ2-2.26×10-5λ4 |
