Crystals Land

  LiIO3

Lithium Iodate (LilO₃₎ crystal, an uniaxial nonlinear crystal with high nonlinear coefficients and wide transparency range, is used to frequency double the low and medium power Ti:Sapphire, Alexandrite, Cr:LiSrAlF₆ and Cr:LiCaAlF₆ lasers, and also to double and triple of Nd:YAG lasers and auto-correlators for measuring ultra-short pulse width.

Physical and Optical Properties:

Space Group	P63 (C66)
Transparency Range	300-5000nm
Nonlinear Coefficients	d15=-5.5x10-12m/W
Refractive Index	no=1.8571, ne=1.7165(l=1064nm)
Sellmeier Equations	no2 =3.415716 +0.047031/(l2-0.035306)-0.008801l2 ne2 =2.918692+0.035145/(l2-0.028224)-0.003641l2

Specifications:

Transmitting Wavefront Distortion	less than l/4 @ 633 nm
Dimension Tolerance	(W±0.2 mm) x (H±0.2 mm) x (L + 0.5 mm/-0.2)
Clear Aperture	> 90% central area
Flatness	l/4 @ 633 nm
Scratch/Dig	20/10 to MIL-O-13830A
Parallelism	better than 20 arc seconds
Perpendicularity	5 arc minutes
Angle Tolerance	<±0.5º