Growth and characterization of the chalcopyrite LiGaTe2

A highly non-linear birefringent optical crystal for the mid-infrared

V. Petrov, L. Isaenko, A. Yelisseyev, P. Krinitsin, V. Vedenyapin, A. Merkulov, J. J. Zondy

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

LiGaTe2 crystals have been grown by the Bridgman-Stockbarger technique. The clear transparency range of LiGaTe2 extends from 2.5 to 12 μm and its band-gap at room temperature is at 2.41 eV (515 nm). LiGaTe2 is a positive uniaxial crystal which possesses sufficient birefringence for phase-matching. Its non-linear coefficient d36 estimated by phase-matched second harmonic generation is 43 pm/V ± 10% at 4.5 μm. The properties of LiGaTe2 are compared to those of other mid-IR chalcopyrite non-linear optical crystals with special emphasis on the frequency doubling potential for CO2 lasers operating at 10.6 μm.

Original languageEnglish
Pages (from-to)2434-2438
Number of pages5
JournalJournal of Non-Crystalline Solids
Volume352
Issue number23-25
DOIs
Publication statusPublished - Jul 15 2006
Externally publishedYes

Fingerprint

Infrared radiation
Crystals
crystals
Phase matching
Harmonic generation
Birefringence
phase matching
Transparency
birefringence
harmonic generations
Energy gap
Lasers
room temperature
coefficients
lasers
chalcopyrite
Temperature

Keywords

  • Crystal growth
  • Non-linear optics

ASJC Scopus subject areas

  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials

Cite this

Growth and characterization of the chalcopyrite LiGaTe2 : A highly non-linear birefringent optical crystal for the mid-infrared. / Petrov, V.; Isaenko, L.; Yelisseyev, A.; Krinitsin, P.; Vedenyapin, V.; Merkulov, A.; Zondy, J. J.

In: Journal of Non-Crystalline Solids, Vol. 352, No. 23-25, 15.07.2006, p. 2434-2438.

Research output: Contribution to journalArticle

Petrov, V. ; Isaenko, L. ; Yelisseyev, A. ; Krinitsin, P. ; Vedenyapin, V. ; Merkulov, A. ; Zondy, J. J. / Growth and characterization of the chalcopyrite LiGaTe2 : A highly non-linear birefringent optical crystal for the mid-infrared. In: Journal of Non-Crystalline Solids. 2006 ; Vol. 352, No. 23-25. pp. 2434-2438.
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