| Model Number: | LBO |
|---|---|
| Brand Name: | crysmit |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
Main Features:
Broad transparency range from 160nm in UV to 2600nm in IR;
High optical homogeneity (dn~10-6/cm) and being free of inclusion;
Relatively large effective SHG coefficient (about three times that of KDP);
High damage threshold (>10GW/cm2 for 1064nm, 20ns, 50Hz);
High effective non-linear coefficient ,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;
Absorption: <30ppm/cm @1064nm <50ppm/cm for high power laser application.
Typical Applications :
SHG and THG for middle and high power Nd: lasers at 1064nm for medical, industrial and military applications;
SHG for Ti:Sapphire, Alexandrite and Cr:LiSAF lasers;
SHG and THG of high power Nd: lasers at 1342nm & 1319nm for red and blue laser;
SHG for the Nd: Lasers at 914nm & 946nm for blue laser;
The VUV output at 187.7 nm is obtained by sum-frequency generation;
NCPM SHG over a broad wavelength range from 900nm-1700nm was measured;
Phase matching process: SHG-554 nm fundamental, THG-794 nm, SFM-down to 160 nm;
Optical Parametric Amplifiers (OPA) and Oscillators (OPO) application.
Physical and Chemical Properties:
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Crystal Structure
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Orthorhombic, Space group Pna21, Point group mm2
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Lattice Parameters
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a=8.4473?, b=7.3788?, c=5.1395?, Z=2
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Melting Point
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About 834 °C
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Mohs Hardness
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6
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Density
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2.47 g/cm3
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Hygroscopic Susceptibility
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Low
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Thermal Conductivity
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3.5 W/m/K
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Thermal Expansion Coefficients
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αx=10.8x10-5/K, αy= -8.8x10-5/K, αz=3.4x10-5/K
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Optical and Nonlinear Optical Properties:
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Transparency Range
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160 - 2600 nm
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Phase Matching Range
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551-2600nm for Type I, 790-2150nm for Type II
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Thermo-Optic Coefficients (℃-1, λ in μm)
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dnx/dT = - 9.3 x 10-6
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dny/dT = -13.6 x 10-6
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dnz/dT = (-6.3+2.1λ) x 10-6
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Sellmeier Equations (λ in μm)
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n2x= 2.4542+0.01125/(λ2-0.01135)-0.01388λ2
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n2y=2.5390+0.01277/(λ2-0.01189)-0.01848λ2
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n2z=2.5865+0.01310/(λ2-0.01223)-0.01861λ2
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Non-Vanished Nonlinear Susceptibilities
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d31 = 1.05 ± 0.09 pm/V
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d32 = -0.98 ± 0.09 pm/V
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d33= 0.05 ± 0.006 pm/V
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Specifications:
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Apertures
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up to 30 x 30mm2
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Length
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up to 50mm
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Dimension Tolerance
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(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
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Phase Matching Angle Tolerance
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?θ< ± 0.25°; ?φ< ±0.25°
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Flatness
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λ/10 @ 633nm
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Wavefront Distortion
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λ/10 @ 633nm
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Surface Quality
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10/5 Scratch/Dig
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Parallelism
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10 arc seconds
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Perpendicularity
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3 arc minutes
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Clear Aperture
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≥95% central area
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Edge Bevel
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0.15mm x 45°±5°
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AR Coatings
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R < 0.2% @ 1064nm, R < 0.5% @ 532nm
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Damage Threshold of AR Coating
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1 GW/cm2for 1064nm, 10ns pulse, 10Hz
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