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	Multi-dimensional optimization of a terawatt seeded tapered free electron laser with a multi-objective genetic algorithm
	Wu, Juhao1; Hu, Newman2; Setiawan, Hananiel3; Huang, Xiaobiao1; Raubenheimer, Tor O.1; Jiao, Yi4; Yu, George5; Mandlekar, Ajay6; Spampinati, Simone7; Fang, Kun1
刊名	Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment
	2017-02-21
卷号	846页码:56-63
关键词	Free-electron lasers Synchrotron radiation Numerical optimization Tapered undulator Self-seeding Lcls
ISSN号	0168-9002
DOI	10.1016/j.nima.2016.11.035
通讯作者	Wu, juhao(jhwu@slac.stanford.edu)
英文摘要	There is a great interest in generating high-power hard x-ray free electron laser (fel) in the terawatt (tw) level that can enable coherent diffraction imaging of complex molecules like proteins and probe fundamental high-field physics. a feasibility study of producing such x-ray pulses was carried out employing a configuration beginning with a self-amplified spontaneous emission fel, followed by a "self-seeding" crystal monochromator generating a fully coherent seed, and finishing with a long tapered undulator where the coherent seed recombines with the electron bunch and is amplified to high power. the undulator tapering profile, the phase advance in the undulator break sections, the quadrupole focusing strength, etc. are parameters to be optimized. a genetic algorithm (ga) is adopted for this multi-dimensional optimization.
WOS关键词	FELS
WOS研究方向	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
WOS类目	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Nuclear ; Physics, Particles & Fields
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000394627500010
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2176718
专题	高能物理研究所
通讯作者	Wu, Juhao
作者单位	1.SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA 2.Valley Christian High Sch, 100 Skyway Dr, San Jose, CA 95111 USA 3.Michigan State Univ, Facil Rare Isotope Beams, E Lansing, MI 48824 USA 4.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China 5.Columbia Univ, New York, NY 10027 USA 6.CALTECH, Pasadena, CA 91125 USA 7.Sincrotrone Trieste SCpA Interesse Nazl, Str Statale 14,Km 163,5 AREA Sci Pk, I-34149 Trieste, Italy 8.Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
推荐引用方式 GB/T 7714	Wu, Juhao,Hu, Newman,Setiawan, Hananiel,et al. Multi-dimensional optimization of a terawatt seeded tapered free electron laser with a multi-objective genetic algorithm[J]. Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment,2017,846:56-63.
APA	Wu, Juhao.,Hu, Newman.,Setiawan, Hananiel.,Huang, Xiaobiao.,Raubenheimer, Tor O..,...&Qiang, Ji.(2017).Multi-dimensional optimization of a terawatt seeded tapered free electron laser with a multi-objective genetic algorithm.Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment,846,56-63.
MLA	Wu, Juhao,et al."Multi-dimensional optimization of a terawatt seeded tapered free electron laser with a multi-objective genetic algorithm".Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment 846(2017):56-63.

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