LiGaTe2

A new highly nonlinear chalcopyrite optical crystal for the Mid-IR

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

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

The chalcopyrite crystal LiGaTe2 was grown by the Bridgman-Stockbarger technique with sufficient size and optical quality that allowed the characterization of its linear (dispersion and birefringence) and nonlinear optical properties. X-ray structural analysis was performed on single crystals. The transmission was recorded in the 0.5-24 μm range, and Raman and IR-spectra were recorded in the 0-400 cm-1 and 180-400 cm -1 ranges, respectively. The clear transparency range of LiGaTe 2 extends from 2.5 to 12 μm, the band-gap at room temperature is at 2.41 eV (515 nm), residual absorption limits the transmission near the band-edge, and the upper limit for the transmission is determined by the onset two-phonon absorption. LiGaTe2 is a positive uniaxial crystal that possesses sufficient birefringence for phase-matching. Its nonlinear coefficient d36 was estimated by phase-matched second harmonic generation to be 43 pm/V ± 10%. It is only the third crystal belonging to the A IBIIIC2 VI chalcopyrite family for which phase-matched nonlinear frequency conversion could be demonstrated, and of this group it exhibits the highest nonlinearity and figure of merit for nonlinear optical applications in the mid-infrared.

Original languageEnglish
Pages (from-to)1325-1329
Number of pages5
JournalCrystal Growth and Design
Volume5
Issue number4
DOIs
Publication statusPublished - Jul 2005
Externally publishedYes

Fingerprint

Birefringence
Crystals
birefringence
crystals
Phase matching
frequency converters
Harmonic generation
phase matching
structural analysis
Structural analysis
figure of merit
Transparency
harmonic generations
Energy gap
Optical properties
nonlinearity
Single crystals
Infrared radiation
optical properties
X rays

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Isaenko, L., Krinitsin, P., Vedenyapin, V., Yelisseyev, A., Merkulov, A., Zondy, J. J., & Petrov, V. (2005). LiGaTe2: A new highly nonlinear chalcopyrite optical crystal for the Mid-IR. Crystal Growth and Design, 5(4), 1325-1329. https://doi.org/10.1021/cg050076c

LiGaTe2 : A new highly nonlinear chalcopyrite optical crystal for the Mid-IR. / Isaenko, L.; Krinitsin, P.; Vedenyapin, V.; Yelisseyev, A.; Merkulov, A.; Zondy, J. J.; Petrov, V.

In: Crystal Growth and Design, Vol. 5, No. 4, 07.2005, p. 1325-1329.

Research output: Contribution to journalArticle

Isaenko, L, Krinitsin, P, Vedenyapin, V, Yelisseyev, A, Merkulov, A, Zondy, JJ & Petrov, V 2005, 'LiGaTe2: A new highly nonlinear chalcopyrite optical crystal for the Mid-IR', Crystal Growth and Design, vol. 5, no. 4, pp. 1325-1329. https://doi.org/10.1021/cg050076c
Isaenko L, Krinitsin P, Vedenyapin V, Yelisseyev A, Merkulov A, Zondy JJ et al. LiGaTe2: A new highly nonlinear chalcopyrite optical crystal for the Mid-IR. Crystal Growth and Design. 2005 Jul;5(4):1325-1329. https://doi.org/10.1021/cg050076c
Isaenko, L. ; Krinitsin, P. ; Vedenyapin, V. ; Yelisseyev, A. ; Merkulov, A. ; Zondy, J. J. ; Petrov, V. / LiGaTe2 : A new highly nonlinear chalcopyrite optical crystal for the Mid-IR. In: Crystal Growth and Design. 2005 ; Vol. 5, No. 4. pp. 1325-1329.
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