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Single longitudinal mode oscillation from a multi-interferometric cavity

  • Yuanhu Wang*
  • , Yanchen Qu
  • , Weijiang Zhao
  • , Chenghong Jiao
  • , Zhiqiang Liang
  • , Deming Ren
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A method to generate stable single longitudinal mode (SLM) radiation from a multi-interferometric cavity configuration that can be considered as the combination of one Michelson cavity and two Fox-Smith cavities is presented. A numerical model of the interferometric cavity is investigated to optimize the laser for mode selection, and experimental verification has been carried out in a tunable TEA CO2 laser. Pulse output energy of 300mJ at 10.6 μm has been obtained at repetition rate of 20Hz, corresponding to a repetition of SLM operation of 100%. This result shows that this interferometric cavity gives better performance in mode selection than other cavities based on multibeam interference.

Original languageEnglish
Pages (from-to)1430-1435
Number of pages6
JournalApplied Optics
Volume48
Issue number8
DOIs
StatePublished - 10 Mar 2009

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