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  • LiIO3 Crystals
  • LiIO3 Crystals

LiIO3 Crystals

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Materials LiIO3 crystals, optical grade Dimension Tolerance +/-0.1mm
Surface Quality 10/5 S/D Parallelism < 10 arc seconds
Flatness < Lambda/8@633nm Perpendicularity < 5 arc minutes
Transmitting Wavefront Distortion < Lambda/8@633nm Aperture >90%
Chamfer 0.2mmx45degree Chips <0.1mm
Coating AR, BBAR or P-coating


Physical Properties:

Transmission Range 0.5 to 5.0μm Crystal Structure hexagonal
Point Group 6 Density 4.487 g/cm3
Mohs Hardness 3.5-4.0 Absorption at 1064nm, cm-1 <0.05
Refractive Indices at 1064nm  no=1.8571, ne=1.7165 Refractive Indices at 800nm no=1.8676, ne=1.7245
Refractive Indices at 532nm no=1.8982, ne=1.7480 Phase Matching Range for Type1 SHG(nm) 570-4000
Angular, mradxcm 0.77 Spectral, cm-1 xcm 12.74
Acceptances for Type 1 SHG at 1064nm, mrad

Lithium Iodate or LilO3 crystal is an uniaxial nonlinear crystal with high nonlinear optical coefficients and wide transparency range of 0.5μm to 5.0μm. It is used to frequency double the low and medium power Ti:Sapphire, Alexandrite, Cr:LiSrAlF6 and Cr:LiCaAlF6 lasers. It is also used for frequency doubling and tripling of Nd:YAG lasers and auto-correlators for measuring ultra-short pulse width. In some cases, it is used in the parametric oscillation to get continuous tunable laser at 0.9μm to 1.2μm. 
The LiIO3 crystals is highly hygroscopic, it is suggested to put in a dry environment. LiTaO3 is a low damaging threshold crystals, it is not suitable for high power laser applications.