LBO crystals

31 May 2016

Crysmit offers
• Maximum processing size 30x30x30 mm3
• Maximum processing Length 60mm
• A large quantity of crystal in stock,competitive price
•Non-critical phase matching(Theta=90°， Phi=0°)
• Fast delivery(10 days for polish only, 15 days for AR-coated)

Main Features:

• Broad transparency range from 160nm in UV to 2600nm in IR;

• Relatively large effective SHG coefficient (about three times that of KDP);

• High effective non-linear coefficient ,wide acceptance angle and small walk-off;

• High damage threshold (>10GW/cm2 for 1064nm, 20ns, 50Hz);

• Type I and type II non-critical phase matching (NCPM) in a wide wavelength range;

• High optical homogeneity (dn~10-6/cm) and being free of inclusion;

• 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;

• The VUV output at 187.7 nm is obtained by sum-frequency generation;

• 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;

• 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:

Crystal Structure	Orthorhombic, Space group Pna²₁, Point group mm2
Lattice Parameters	a=8.4473Å, b=7.3788Å, c=5.1395Å, Z=2
Melting Point	About 834 °C
Mohs Hardness	6
Density	2.47 g/cm³
Hygroscopic Susceptibility	Low
Thermal Conductivity	3.5 W/m/K
Thermal Expansion Coefficients	α_x=10.8x10^-5/K, α_y= -8.8x10^-5/K, α_z=3.4x10^-5/K

Optical and Nonlinear Optical Properties:

Transparency Range	160 - 2600 nm
Phase Matching Range	551-2600nm for Type I, 790-2150nm for Type II
Thermo-Optic Coefficients (℃-1, λ in μm)	dn_x/dT = - 9.3 x 10^-6
	dn_y/dT = -13.6 x 10^-6
	dn_z/dT = (-6.3+2.1λ) x 10^-6
Sellmeier Equations (λ in μm)	n2x= 2.4542+0.01125/(λ2-0.01135)-0.01388λ2
	n2y=2.5390+0.01277/(λ2-0.01189)-0.01848λ2
	n2z=2.5865+0.01310/(λ2-0.01223)-0.01861λ2
Non-Vanished Nonlinear Susceptibilities	d₃₁= 1.05 ± 0.09 pm/V
	d₃₂= -0.98 ± 0.09 pm/V
	d₃₃= 0.05 ± 0.006 pm/V

Specifications:

Apertures	up to 30 x 30mm²
Length	up to 50mm
Dimension Tolerance	(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Phase Matching Angle Tolerance	∆θ< ± 0.25°; ∆φ< ±0.25°
Flatness	λ/10 @ 633nm
Wavefront Distortion	λ/10 @ 633nm
Surface Quality	10/5 Scratch/Dig
Parallelism	10 arc seconds
Perpendicularity	3 arc minutes
Clear Aperture	≥95% central area
Edge Bevel	0.15mm x 45°±5°
AR Coatings	R < 0.2% @ 1064nm, R < 0.5% @ 532nm
Damage Threshold of AR Coating	1 GW/cm²for 1064nm, 10ns pulse, 10Hz

CONTACT DETAILS

No.5-14# FuMin, Yutanwei, Huangjiang

Dongguan

Guangdong

523750

China

Tel: +86-591-13662984916