Widely tunable continuous-wave mid-infrared radiation (5.5-11 μm) by difference-frequency generation in LiInS2 crystal

Weidong Chen, Emmanuelle Poullet, Jean Burie, Daniel Boucher, Markus W. Sigrist, Jean Jacques Zondy, Ludmila Isaenko, Alexander Yèlisseyev, Sergei Lobanov

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The first demonstration, to the best of our knowledge, of continuous-wave (cw) difference-frequency generation (DFG) in LiInS2 crystal is reported. Wide spectral coverage (5.5-11.3 μm) has been obtained with angle and wavelength tuning for type II (eoe) critically phase-matched parametric interaction. The phase-matching conditions in cw DFG have been investigated, which allowed us to improve the Sellmeier parameters by use of a two-pole dispersion equation. An effective nonlinear coefficient deff = 6.9 ± 0.8 pm/V has been determined at ∼7 μm relative to the well-known nonlinear coefficient d36 of AgGaS2, which yields a power-conversion efficiency of ∼12.4 μW/(W2 cm). We evaluated the high-resolution spectral characteristics of the DFG source by recording C2H2 and SO2 spectra.

Original languageEnglish
Pages (from-to)4123-4129
Number of pages7
JournalApplied Optics
Volume44
Issue number19
DOIs
Publication statusPublished - Jul 1 2005
Externally publishedYes

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infrared radiation
continuous radiation
Infrared radiation
Crystals
Phase matching
Spectral resolution
Conversion efficiency
crystals
Poles
Demonstrations
Tuning
coefficients
phase matching
Wavelength
poles
recording
tuning
high resolution
wavelengths
interactions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Widely tunable continuous-wave mid-infrared radiation (5.5-11 μm) by difference-frequency generation in LiInS2 crystal. / Chen, Weidong; Poullet, Emmanuelle; Burie, Jean; Boucher, Daniel; Sigrist, Markus W.; Zondy, Jean Jacques; Isaenko, Ludmila; Yèlisseyev, Alexander; Lobanov, Sergei.

In: Applied Optics, Vol. 44, No. 19, 01.07.2005, p. 4123-4129.

Research output: Contribution to journalArticle

Chen, W, Poullet, E, Burie, J, Boucher, D, Sigrist, MW, Zondy, JJ, Isaenko, L, Yèlisseyev, A & Lobanov, S 2005, 'Widely tunable continuous-wave mid-infrared radiation (5.5-11 μm) by difference-frequency generation in LiInS2 crystal', Applied Optics, vol. 44, no. 19, pp. 4123-4129. https://doi.org/10.1364/AO.44.004123
Chen, Weidong ; Poullet, Emmanuelle ; Burie, Jean ; Boucher, Daniel ; Sigrist, Markus W. ; Zondy, Jean Jacques ; Isaenko, Ludmila ; Yèlisseyev, Alexander ; Lobanov, Sergei. / Widely tunable continuous-wave mid-infrared radiation (5.5-11 μm) by difference-frequency generation in LiInS2 crystal. In: Applied Optics. 2005 ; Vol. 44, No. 19. pp. 4123-4129.
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