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A study of a Q-switched double-clad ytterbium-doped fiber laser with amplifying effect |
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| Authors: | Hongming Zhao Qihong Lou Jun Zhou Jingxing Dong Zhijiang Wang |
| Affiliation: | a Shanghai Institute of Optical Fine and Mechanics, Chinese Academy of Sciences, 201800 Shanghai, PR China b Graduate School of Chinese Academy of Sciences, 100039 Beijing, PR China |
| Abstract: | A high repetition rate ytterbium-doped double-clad (YDDC) fiber laser with amplifying effect is described by using acousto-optic modulator. The characteristic of Q-switched pulses are studied with accurate control of opening gate time of modulator. The stable Q-switched pulses with tens of nanoseconds width can be observed at high repetition rate varied from 50 kHz to 500 kHz using this laser. The stable operation area of the Q-switched fiber laser is discussed and the analysis results agree well with that of the experiment. |
| Keywords: | Q-switched Fiber laser Double-clad Acousto-optic High repetition rate |
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