Theoretical study on the 1180nm laser pumped Tm, Ho co-doped silica fiber laser

DONG Shu-fu; CHEN Guo-fu; ZHAO Shang-hong; ZHENG Guang-wei; LI Yu-jiang

Theoretical model of Tm3+,Ho3+ co-doped silica fiber laser pumped at 1200nm band is established,then its performance is studied by numerical simulation,and the theoretical and experimental results are compared,in order to seek the space to optimize the performance of this fiber laser.The computated output power of 1.14W and 733mW are slightly higher than the experimental values of 930mW and 650mW,respectively,whether radiation occurs only Tm3+ between the 3H4 and 3H6 level(with a fiber length of 1m) or energy transfer takes place between Tm3+ and Ho3+(with a fiber length of 3m),with a maximum launched pump power of 3.1W.The computed value is more consistent with the experimental one when energy transfer takes place between Tm3+ and Ho3+.

1. Institute of Telecommunication Engineering, Air Force Engineering University, Xi'an 710077, China;

2. State Key Laboratory of Transient Optics and Photonics, Xi'an Institate of Optics and Precision Mechanics, the Chinese Academy of Sciences, Xi'an 710068, China

Received Date: 2005-01-20

Accepted Date: 2005-05-11

Available Online: 2006-03-25

Abstract: Theoretical model of Tm3+,Ho3+ co-doped silica fiber laser pumped at 1200nm band is established,then its performance is studied by numerical simulation,and the theoretical and experimental results are compared,in order to seek the space to optimize the performance of this fiber laser.The computated output power of 1.14W and 733mW are slightly higher than the experimental values of 930mW and 650mW,respectively,whether radiation occurs only Tm3+ between the 3H4 and 3H6 level(with a fiber length of 1m) or energy transfer takes place between Tm3+ and Ho3+(with a fiber length of 3m),with a maximum launched pump power of 3.1W.The computed value is more consistent with the experimental one when energy transfer takes place between Tm3+ and Ho3+.

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Reference (8)

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Theoretical study on the 1180nm laser pumped Tm, Ho co-doped silica fiber laser

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References

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