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

Xiushan Zhu; Ravi Jain

doi:10.1364/AO.45.007118

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

Xiushan Zhu, Ravi Jain

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	7118-7125
Number of pages	8
Journal	Applied optics
Volume	45
Issue number	27
DOIs	https://doi.org/10.1364/AO.45.007118
State	Published - Sep 20 2006
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.45.007118

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abstract = "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.",

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AB - 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.

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

Abstract

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