Spectral broadening in continuous-wave intracavity Raman lasers

Gerald Michael Bonner, Jipeng Lin, Alan Kemp, Jiyang Wang, Huaijin Zhang, David. J. Spence, Helen M Pask

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Abstract

Spectral broadening of the fundamental field in intracavity Raman lasers is investigated. The mechanism for the spectral broadening is discussed and the effect is compared in two lasers using Raman crystals with different Raman linewidths. The impact of the spectral broadening on the effective Raman gain is analyzed, and the use of etalons to limit the fundamental spectral width is explored. It was found that an improvement in output power could be obtained by using etalons to limit the fundamental spectrum to a single narrow peak.
Original languageEnglish
Pages (from-to)7492-7502
Number of pages11
JournalOptics Express
Volume22
Issue number7
Early online date24 Mar 2014
DOIs
Publication statusPublished - 7 Apr 2014

Keywords

  • intracavity Raman lasers
  • Raman crystals
  • Raman linewidths

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