Abstract
From the propagation equations of Yb3+-doped fiber amplifiers, the characteristics of Yb3+-doped double-clad fiber amplifier for 1053 nm pulse amplification are comprehensively analyzed through finite-difference method based on numerical modeling. The steady distributions in the fiber of the upper-level population, pump power, and amplified spontaneous emission with 977 nm forward pumping are calculated. The single pulse waveform distortion after amplification is analyzed. Modeling attains a special input waveform which can deduces the super-Gauss type output after pulse amplification. The most suitable fiber length and the impacts of forward pumping and backward pumping are also discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 1022-1026 |
| Number of pages | 5 |
| Journal | Zhongguo Jiguang/Chinese Journal of Lasers |
| Volume | 32 |
| Issue number | 8 |
| Publication status | Published - 1 Aug 2005 |
| Externally published | Yes |
Keywords
- Double-clad fiber
- Fiber amplifier
- Fiber optics
- Pulse amplification
- Yb-doped fiber
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
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