LBO
LBO(LiB3O5 or Lithium Triborate)is a nonlinear optical crystal.For frequency doubling(SHG)
Classification:
Detailed introduction
LBO(LiB3O5 or Lithium Triborate)is a nonlinear optical crystal.For frequency doubling(SHG)/tripling(THG)of Nd:YAG,Nd:YLF,Nd:YVO4 lasers,LBO crystal is one of the most useful nonlinear optical material in ultraviolet and visible laser applications.
PRODUCT FEATURE
•Broad transparency range from 160nm to 2600nm(see Figure 1);
•High optical homogeneity(δn≈10-6/cm)and being free of inclusion;
•Relatively large effective SHG coefficient(about three times that of KDP);
•High damage threshold;
•Wide acceptance angle and small walk-off;
•Type I and type II non-critical phase matching(NCPM)in a wide wavelength range;
•Spectral NCPM near 1300nm.
Spot on Sale |
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Application: SHG@1064 nm, Type 1 |
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Code | Size | Theta(θ) | Phi(φ) | Coating | Unit Price(FOB) | Delivery |
LBO-01 | 3×3×5mm | 90 | 10.4 | AR/AR-1064&532nm | $29.90 | 5 days |
LBO-02 | 3×3×5mm | 90 | 11.6 | AR/AR-1064&532nm | $29.90 | 5 days |
LBO-03 | 3×3×8mm | 90 | 10.4 | AR/AR-1064&532nm | $39.90 | 5 days |
LBO-04 | 3×3×8mm | 90 | 11.6 | AR/AR-1064&532nm | $39.90 | 5 days |
Application: THG@1064nm , Type 2 |
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Code | Size | Theta(θ) | Phi(φ) | Coating | Unit Price(FOB) | Delivery |
LBO-05 | 3×3×15mm | 42.3 | 90 |
S1 : AR-1064&532nm, S2 : with Brewster angle 57.4 deg cut |
$89.90 | 5 days |
LBO-06 | 3×3×15mm | 44 | 90 |
S1 : AR-1064&532nm, S2 : with Brewster angle 57.4 deg cut |
$89.90 | 5 days |
Specifications | |
Dimension Tolerance |
(W ± 0.1mm) x (H ± 0.1mm) x (L ± 0.2mm/0.1mm) |
Angle Tolerance |
∆θ< ± 0.25°; ∆φ< ±0.25° |
Parallelism |
10 ″ |
Perpendicularity |
5 ′ |
Clear Aperture |
Central 95% of the diameter |
Surface Quality (Scratch/Dig) |
10/5(MIL-PRF-13830B) |
Flatness |
λ/10 @ 633nm |
Transmitted Wavefront Distortion |
λ/10@ 633nm |
Anti-Reflection Coating |
According to customer requirements |
Chemical and Structural Properties | |
Crystal Structure |
Orthorhombic, Space group Pna21, Point group mm2 |
Lattice Parameter |
a=8.4473Å,b=7.3788Å,c=5.1395Å,Z=2 |
Melting Point |
About 834℃ |
Mohs Hardness |
6 |
Density |
2.47g/cm3 |
Thermal Conductivity |
3.5W/mK |
Thermal Expansion Coefficients |
αx=10.8x10-5/K, αy=-8.8x10-5/K,αz=3.4x10-5/K |
Optical and Nonlinear Optical Properties | |
Transparency Range |
169nm – 2600 nm |
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 |
Angular Acceptance: |
52 mrad·cm |
Walk-off Angle |
0° |
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+2.0×10-4λ4 | |
nz2=2.586179+0.013099/(λ2-0.011893)-0.017968λ2-2.26×10-4λ4 |
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