Exponential Gain and Saturation of a Self-Amplified Spontaneous Emission Free-Electron Laser | Zendy

S.V. Milton | Zendy; E. Gluskin | Zendy; N. Arnold | Zendy; C. Benson | Zendy; William J. Berg | Zendy; S.G. Biedroń | Zendy; M. Borland | Zendy; Y.C. Chae | Zendy; R. Dejus | Zendy; P.K. Den Hartog | Zendy; B. Deriy | Zendy; M. Erdmann | Zendy; Y. Eidelman | Zendy; M. W. Hahne | Zendy; Zhirong Huang | Zendy; K.-J. Kim | Zendy; John Lewellen | Zendy; Yuelin Li | Zendy; A.H. Lumpkin | Zendy; О. А. Макаров | Zendy; E. R. Moog | Zendy; A. Nassiri | Zendy; V. Sajaev | Zendy; R. Soliday | Zendy; Brian Tieman | Zendy; E. M. Trakhtenberg | Zendy; G. Travish | Zendy; I.B. Vasserman | Zendy; Н.А. Винокуров | Zendy; Xijie Wang | Zendy; G. Wiemerslage | Zendy; B. X. Yang | Zendy

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Exponential Gain and Saturation of a Self-Amplified Spontaneous Emission Free-Electron Laser

Author(s) -

S.V. Milton,

E. Gluskin,

N. Arnold,

C. Benson,

William J. Berg,

S.G. Biedroń,

M. Borland,

Y.C. Chae,

R. Dejus,

P.K. Den Hartog,

B. Deriy,

M. Erdmann,

Y. Eidelman,

M. W. Hahne,

Zhirong Huang,

K.-J. Kim,

John Lewellen,

Yuelin Li,

A.H. Lumpkin,

О. А. Макаров,

E. R. Moog,

A. Nassiri,

V. Sajaev,

R. Soliday,

Brian Tieman,

E. M. Trakhtenberg,

G. Travish,

I.B. Vasserman,

Н.А. Винокуров,

Xijie Wang,

G. Wiemerslage,

B. X. Yang

Publication year - 2001

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1059955

Subject(s) - undulator , amplified spontaneous emission , spontaneous emission , free electron laser , laser , physics , free electron model , electron , saturation (graph theory) , optics , thermal emittance , atomic physics , wavelength , radiation , femtosecond , cathode ray , beam (structure) , mathematics , combinatorics , quantum mechanics

Self-amplified spontaneous emission in a free-electron laser has been proposed for the generation of very high brightness coherent x-rays. This process involves passing a high-energy, high-charge, short-pulse, low-energy-spread, and low-emittance electron beam through the periodic magnetic field of a long series of high-quality undulator magnets. The radiation produced grows exponentially in intensity until it reaches a saturation point. We report on the demonstration of self-amplified spontaneous emission gain, exponential growth, and saturation at visible (530 nanometers) and ultraviolet (385 nanometers) wavelengths. Good agreement between theory and simulation indicates that scaling to much shorter wavelengths may be possible. These results confirm the physics behind the self-amplified spontaneous emission process and forward the development of an operational x-ray free-electron laser.

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