产品分类

Lithium iodate (LiIO3)

Lithium iodate (LiIO3) crystal is a negative uniaxial crystal, with high nonlinear optical coefficient and wide transparency range, radiation damage resistance characteristics. It can be used for nonlinear acousto-optic and piezoelectric applications in a 347 nm ruby laser as a medium and narrow pulse, wide band ultrasonic transducer. It can also be used as two, three time frequency and mixing of medium and low power laser.

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Product Description

Main Features

High nonlinear optical coefficient, wide transparent range, wide phase matching range, good temperature stability of the refractive index, and low damage threshold value

Material Properties

Crystal structure	hexagonal crystal system
Crystal structure	aniaxial negative crystal
Point group	6
Melting point	420℃
Density	4.487 g/cm3
Mohs hardness	3.5–4.0
Transparent range	280–4000nm
Absorption coefficient @1064 nm,	＜0.05cm-1
Refractive index @ 1,064 nm	no= 1.8571, ne= 1.7165
@800 nm	no= 1.8676, ne= 1.7245
@532 nm	no= 1.8982, ne= 1.7480
Type 1 SHG Phase-matching range	570–4000nm
Type 1 SHG Acceptance @1064 nm
Angle, and the mradcm	0.77
Light spectrum,cm-1×cm	12.74
Type 1 SHG Go @1064 nm, mrad	74.3
Nonlinear coefficient	d31=4.4 pm/V(@1064 nm)
Effective nonlinearity	deff = d31sinθ
Damage threshold	＞100MW/cm2@1064 nm, 10 ns
Sellmeier Equation (λ in μm)	no2=3.415716+0.047031/(λ2-0.035306)-0.008801λ2
Sellmeier Equation (λ in μm)	ne2=2.918692+0.035145/(λ2-0.028224)-0.003641λ2

Product Parameters

Dimensional tolerance	±0.1mm
Optical aperture	≧90%
Wavefront distortion	≦λ/4 @ 633nm
Flatness	λ/4 @ 633nm
Finish	20/10
Parallelism	≦20"
Verticality	≦5 ′
Angular deviation	＜±0.5°