LilO3 Crystal (Lithium Iodate)

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Lithium Iodate or LilO3 crystal is an uniaxial nonlinear crystal with high nonlinear optical coefficients and wide transparency range.  It is used to frequency double the low and medium power Ti:Sapphire, Alexandrite, Cr:LiSrAlF6 and Cr:LiCaAlF6 lasers. In some cases, it is also used for frequency doubling and tripling of Nd:YAG lasers and auto-correlators for measuring ultra-short pulse width.

Notes:

  • LiIO3 is highly hygroscopic. Please keep it in a dry environment, and sealed housing is recommended.

  • LiIO3 is not recommended for high power applications, because of the low damage threshold.

Main 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 Code 20/10 to MIL-O-13830A
Parallelism better than 20 arc seconds
Perpendicularity 5 arc minutes
Angle Tolerance < 0.5

 

Physical and Optical Properties  
Point Group 6
Transparency Range
300-5000nm
Nonlinear Coefficients
d15=-5.5x10-12m/W
Refractive Index:

an negative uniaxial
no=1.8571, ne=1.7165(l=1064nm)

Sellmeier Equations:
no2 = 3.415716 + 0.047031/(l2 - 0.035306) - 0.008801l2
ne
2 = 2.918692 + 0.035145/(
l2 - 0.028224) - 0.003641l2

 

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