Mid-infrared (2.75-6.0-μm) second- harmonic generation in LiInS2

G. M.H. Knippels, A. F.G. Van Der Meer, A. M. MacLeod, A. Yelisseyev, L. Isaenko, S. Lobanov, I. Thénot, J. J. Zondy

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Abstract

Phase-matched second-harmonic generation is obtained in various LiInS2 crystals by use of the tunable picosecond output of the free-electron laser for infrared experiments (FELIX) as the pump source in the mid-IR range from 2.75 to 6.0 μm. Deviations from the phase-matching curve calculated from Boyd's refractive-index data are observed. Furthermore, the optical damage threshold of the crystals has been measured to be 1.1. J/cm2 (>6 GW/cm2) at the 5-μm wavelength. LiInS2 holds great promise for parametric interaction in the 1-13-μm range.

Original languageEnglish
Pages (from-to)617-619
Number of pages3
JournalOptics Letters
Volume26
Issue number9
DOIs
Publication statusPublished - May 1 2001
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Knippels, G. M. H., Van Der Meer, A. F. G., MacLeod, A. M., Yelisseyev, A., Isaenko, L., Lobanov, S., Thénot, I., & Zondy, J. J. (2001). Mid-infrared (2.75-6.0-μm) second- harmonic generation in LiInS2. Optics Letters, 26(9), 617-619. https://doi.org/10.1364/OL.26.000617