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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 21, Iss. 10 — Oct. 1, 2003
  • pp: 2262–

Dynamic Characteristics of Double-Clad Fiber Amplifiers for High-Power Pulse Amplification

Yong Wang and Hong Po

Journal of Lightwave Technology, Vol. 21, Issue 10, pp. 2262- (2003)

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Based on numerical modeling, the dynamic characteristics of high-power ytterbium-doped double-clad fiber amplifiers during the amplification of nanosecond pulses with kilohertz repetition rates are comprehensively analyzed. The temporal pulse energy, power, upper-level population distribution, amplified spontaneous emission, stored energy, pulse waveform evolution, etc., are emphasized in this paper. Some practical issues in amplification processes, such as the impacts of reflected pulses from the external surfaces and the fluctuation of input pulse energy on the amplifier performance, are also discussed. The models and results are important for the design and development of high-power double-clad fiber amplifiers.

© 2003 IEEE

Yong Wang and Hong Po, "Dynamic Characteristics of Double-Clad Fiber Amplifiers for High-Power Pulse Amplification," J. Lightwave Technol. 21, 2262- (2003)

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