A novel scheme to compress the radiation pulse in x-ray free electron lasers is proposed not only to shorten the pulse length but also to enhance the peak power of the radiation, by inducing a periodic current enhancement with an optical laser and applying a temporal shift between the optical and electron beams. Calculations show that a 10-keV x-ray pulse with a peak power of 5 TW and a pulse length of 50 asec can be generated by applying this scheme to an existing x-ray free electron laser facility. DOI: 10.1103/PhysRevLett.110.084801
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Royal Inst Technol, S-10691 Stockholm, Sweden
Shandong Normal Univ, Coll Phys & Elect, Jinan 250014, Peoples R ChinaRoyal Inst Technol, S-10691 Stockholm, Sweden
Sun, Yu-Ping
Liu, Ji-Cai
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Royal Inst Technol, S-10691 Stockholm, Sweden
Shandong Normal Univ, Coll Phys & Elect, Jinan 250014, Peoples R ChinaRoyal Inst Technol, S-10691 Stockholm, Sweden
Liu, Ji-Cai
Gel'mukhanov, Faris
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Royal Inst Technol, S-10691 Stockholm, SwedenRoyal Inst Technol, S-10691 Stockholm, Sweden
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Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Huang, Nanshun
Deng, Haixiao
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Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Deng, Haixiao
Liu, Bo
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Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Liu, Bo
Wang, Dong
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Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Wang, Dong
Zhao, Zhentang
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Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China