Visualization of spatial profiles of spectra and intensities in FEL simulations

Yoshikawa, Kiyoshi; Shinzato, Tsuyoshi; Yamamoto, Y.; Ohnishi, Masami; Yamazaki, Tetsuo

doi:10.1016/0168-9002(94)01421-3

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The Microstructure Of the Optical Klystron's Spontaneous Emi1

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2014

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“…1 as the observation angle becomes larger. All of the even harmonics of the spontaneous emission vanish identically in the perpendicular plane including the electron beam axis, but they appear in the horizontal plane when > 0 (Yoshikawa et al, 1994). As shown in Fig.…”

Section: The Microstructure Of the Optical Klystron's Spontaneous Emimentioning

confidence: 75%

Spectral modulation of higher harmonic spontaneous emission from an optical klystron

Sei

Ogawa

Yamada

et al. 2014

J Synchrotron Radiat

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Higher harmonics of spontaneous emission from an optical klystron have been observed. The modulation factor of the spontaneous emission spectrum for the higher harmonics can be described by considering the observation system. When the dispersive gap of the optical klystron was fixed, the microstructure interval of the spontaneous emission spectrum at a certain resonant wavelength became narrower as the order of the higher harmonic became larger. Some unique characteristics of the higher harmonics have been clarified, and these studies are likely to contribute to the development of free-electron lasers using higher harmonics of an optical klystron in the shorter-wavelengths region.

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Section: The Microstructure Of the Optical Klystron's Spontaneous Emimentioning

confidence: 75%