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Experimental investigation of double-clad Tm3+-doped silica fiber amplifying at 1.99μm

  • Tao Jing
  • , Hanbin Wang
  • , Yunjun Zhang*
  • *Corresponding author for this work
  • Quanzhou Normal University

Research output: Contribution to journalConference articlepeer-review

Abstract

The LD-clad-pumped CW and Q-switched pulse Tm3+-doped silica fiber amplifiers were general experimental investigations. The CW fiber amplifier provided up to 3W output with the slope efficiency nearly 30%, and the Q-switched pulse fiber amplifier output power was 2W with the slope efficiency 32.6%. The gain fiber was 27.5/400μm D-shaped Tm3+-doped silica double-cladding fiber, and the pump sources was a 792nm LD with a 400μm pigtail fiber output. The signal seed sources was a LD-pumped Tm 3+:YAP lasing at 1.99μm. By the AO Q-switched method, The Tm 3+:YAP laser had a nearly 120ns pulse duration and 1kHz repeat rates. The measured amplified spectrum only stretched a little relative to the input signal spectrum.

Original languageEnglish
Article number71342G
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume7134
DOIs
StatePublished - 2008
EventPassive Components and Fiber-based Devices V - Hangzhou, China
Duration: 27 Oct 200830 Oct 2008

Keywords

  • Clad-pumped
  • Fiber amplifier
  • Tm-doped fiber

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