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In-band pumped Ho:YAP laser by Tm-doped fiber laser at 1936 and 1948 nm, respectively

  • Y. J. Zhang*
  • , G. Li
  • , Y. Y. Zhao
  • , Y. N. Chen
  • *Corresponding author for this work
  • Science and Technology on Electroptical Information Secunty Control Laboratory
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

We present for the first time a highly efficient Ho:YAP laser at 2117.9 nm, which is double-end in-band pumped by two all-fiber Tm-doped fiber lasers at 1936 and 1948 nm. Using a single 50 mm long Ho:YAP rod in a simple L-shaped resonator geometry, a maximum laser output power of 10.1 W and a slope efficiency of 43.6% with respect to the incident pump power are acquired. The Ho:YAP crystals work under room tem-perature 24°C, and without any active thermal management. This experimental results verify the Ho:YAP crystals can be pumped by the versatile laser sources in the 1.9 μm regions.

Original languageEnglish
Pages (from-to)415-417
Number of pages3
JournalLaser Physics
Volume22
Issue number2
DOIs
StatePublished - Feb 2012

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