Optical, vibrational, thermal, electrical, damage, and phase-matching properties of lithium thioindate

Sandrine Fossier, Sophie Salaün, Jacques Mangin, Olivier Bidault, Isabelle Thénot, Jean Jacques Zondy, Weidong Chen, Fabian Rotermund, Valentin Petrov, Plamin Petrov, Jes Henningsen, Alexander Yelisseyev, Ludmila Isaenko, Sergei Lobanov, Ona Balachninaite, Gintas Slekys, Valdas Sirutkaitis

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

Lithium thioindate (LiInS2) is a new nonlinear chalcogenide biaxial material transparent from 0.4 to 12 μm that has been successfully grown in large sizes and with good optical quality. We report on new physical properties that are relevant for laser and nonlinear optics applications. With respect to AgGaS(e)2 ternary chalcopyrite materials, LiInS2 displays a nearly isotropic thermal expansion behavior, a 5-times-larger thermal conductivity associated with high optical damage thresholds, and an extremely low-intensity-dependent absorption, allowing direct high-power downconversion from the near-IR to the deep mid-IR. Continuous-wave difference-frequency generation (5-11 μm) of Ti:sapphire laser sources is reported for the first time to our knowledge.

Original languageEnglish
Pages (from-to)1981-2007
Number of pages27
JournalJournal of the Optical Society of America B: Optical Physics
Volume21
Issue number11
DOIs
Publication statusPublished - Nov 2004

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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