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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 27 — Sep. 20, 2006
  • pp: 7118–7125

Numerical analysis and experimental results of high-power Er∕Pr:ZBLAN 2.7 μm fiber lasers with different pumping designs

Xiushan Zhu and Ravi Jain  »View Author Affiliations

Applied Optics, Vol. 45, Issue 27, pp. 7118-7125 (2006)

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Gain factor and output performance of erbium–praseodymium codoped ZBLAN double-clad fiber lasers at 2.7 μm with different pumping designs were calculated and analyzed. Single-end backward pumping with a highly reflective mirror butted against one fiber end and dual-end pumping with Fresnel reflections from both fiber ends were found to be the most efficient pumping designs. Ten-watt-level Er∕Pr:ZBLAN fiber lasers proved to be achievable with recent diode laser and ZBLAN fiber technologies. Their corresponding optimum fiber lengths for different pumping configurations were determined. It was also found that fiber lasers with a flat evolution of gain factor can obtain the largest output power. Experimental results of 4 m and 12 m fiber lasers showed very good agreement with simulation results.

© 2006 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber

Original Manuscript: January 26, 2006
Revised Manuscript: June 5, 2006
Manuscript Accepted: June 5, 2006

Xiushan Zhu and Ravi Jain, "Numerical analysis and experimental results of high-power Er/Pr:ZBLAN 2.7 μm fiber lasers with different pumping designs," Appl. Opt. 45, 7118-7125 (2006)

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