Nanjing Crylink Photonics Co.,Ltd

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Lithium Triborate LBO / Non Linear Optics Crystal Wide Transparency Range

Lithium Triborate LBO / Non Linear Optics Crystal Wide Transparency Range

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Place of Origin :China
Brand Name :CRYLINK
Certification :Iso9001
MOQ :1 Pieces
Price :negotiation
Packaging Details :Carton
Delivery Time :3-4 weeks
Payment Terms :TT
Supply Ability :100 pieces /month
Model Number :CRYLINK-LBO Nonlinear Crystal
Chemical formula :LiB3O5
Crystal structure :Orthorhombic, Space group Pna21, Point group mm2
Lattice Parameter :a=8.4473 ,b=7.3788, c=5.1395, Z=2
Mass density :2.47 g/cm3
Moh hardness :6
Melting point :About 834°C
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Description

Lithium triborate (LiB3O5) LBO is an excellent non-linear optics crystal, which has a wide transparency range, high damage threshold, moderately high nonlinear coupling and desirable chemical and mechanical properties. LBO crystals have been widely used in second harmonic generation (SHG), for example of Nd:YAG lasers (1064 nm ~ 532 nm). LBO can be both critically and non-critically phase-matched.

Thanks to its large spectral transmission range as well as noncritical phase matching (NCPM) in the near IR region, LBO crystals have been applied in non-linear optical applications like OPO, OPA,OPCPA and other. Since its broad gain bandwidth overlaps with Ti:Sapphire in 800 nm range, ultra-high power and high contrast laser systems have been built based on the mixed CPA/OPCPA plan.

Features

  • Wide transmission region from 160 nm to 2600nm

  • Large effective second-harmonic-generation (SHG) coefficient (about three times that of KDP)

  • Good mechanical and physical properties

  • High damage threshold of 18.9 GW/cm2 for a 1.3 ns laser at 1053 nm

  • Both Type I and II NCPM in a wide wavelength range is possible

  • Wide acceptance angle and small walk-off

  • High optical homogeneity with n≈10-6/cm

  • Spectral NCPM near 1300 nm

Applications

  • Frequency doubling and tripling of Nd:YAG and Nd:YLF lasers.

  • SHG and THG for middle and high power Nd: lasers at 1064 nm for medical, industrial and military applications.

  • SHG and THG of high power Nd: lasers at 1342 nm & 1319 nm for red and blue laser.

  • Optical parametric amplifiers (OPA) and oscillators (OPO) pumped by Excimer lasers and harmonics of Nd:YAG lasers.

  • Optical parametric chirped pulse amplification (OPCPA) in ultrafast pulse system.

Chemical and Physical Properties

Property

Value

Chemical formula

LiB3O5

Crystal structure

Orthorhombic, Space group Pna21, Point group mm2

Lattice Parameter

a=8.4473 ,b=7.3788, c=5.1395, Z=2

Mass density

2.47 g/cm3

Moh hardness

6

Melting point

About 834°C

Thermal conductivity

3.5W/m/K

Thermal expansion coefficient

ax=10.8x10-5/K, ay= -8.8x10-5/K, az=3.4x10-5/K

Birefringence

Negative biaxial crystal: 2Vz = 109.2 at = 0.5321m

Linear Optical Properties

Property

Value

Transparency Range

169 - 2600 nm

Absorption Coefficient:

<0.1%/cm at 1064nm <0.3%/cm at 532nm

Refractive Indices

at 1.0642 mm

at 0.5321 mm

at 0.2660 mm

nx = 1.5656, ny = 1.5905, nz=1.6055

nx = 1.5785, ny = 1.6065, nz=1.6212

nx = 1.5973, ny = 1.6286, nz=1.6444

Sellmeier Equations( in m)

nx2=2.454140+0.011249/(2-0.011350)-0.0145912-6.60x10-54

ny2=2.539070+0.012711/(2-0.012523)-0.0185402+2.0x10-44

nz2=2.586179+0.013099/(2-0.011893)-0.0179682-2.26x10-44

Nonlinear Optical Properties

Property

Value

SHG Phase Matchable Range

551 ~ 2600nm (Type I) 790-2150nm (Type II)

NLO coefficients

deff(I)=d32cos(Type I in XY plane)

deff(I)=d31cos2+d32sin2(Type I in XZ plane)

deff(II)=d31cos(Type II in YZ plane)

deff(II)=d31cos2+d32sin2 (Type II in XZ plane)

China Lithium Triborate LBO / Non Linear Optics Crystal Wide Transparency Range for sale

Lithium Triborate LBO / Non Linear Optics Crystal Wide Transparency Range

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