| Sub-nanosecond strong pulse generated by backward Raman scattering |
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| 作者姓名： | 叶震寰 楼祺洪 董景星 魏运荣 凌磊 |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800 |
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| 基金项目： | This work was supported by the National High Technology Research and Development Program of China (863 Program, 863-804-6, No. 2002AA846020)，the China Institute of Atomic Energy. |
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| 摘 要： | Hundreds picosecond strong short-wavelength pulses have been generate by a backward Raman oscillator amplifier pumped with a 10-J KrF laser from Heaven-1 MOPA system. Not only high power but also high energy laser pulses have been obtained with an energy conversion efficiency up to 17%. 640-picosecond pulse duration was observed in our experiments by a 1.5-GHz-bandwidth oscilloscope corresponding to 34 times of pulse compression rate.
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Sub-nanosecond strong pulse generated by backward Raman scattering |
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| Abstract: | Hundreds picosecond strong short-wavelength pulses have been generated by a backward Raman oscillatoramplifier pumped with a 10-J KrF laser from Heaven-1 MOPA system. Not only high power but also highenergy laser pulses have been obtained with an energy conversion efficiency up to 17%. 640-picosecondpulse duration was observed in our experiments by a 1.5-GHz-bandwidth oscilloscope corresponding to 34times of pulse compression rate. |
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