Application of pulse compression and shaping to the FEL photoelectric injector

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We discuss the application of self-phase modulation and grating pulse compression to the generation of temporally trapezoidal optical pulses for controlling the electron beam emitance and energy spread in an FEL photoelectric injector. Pulse compression i n a single-stage pulse compressor, with background reduction based on the nonlinear birefringence of the optical fiber, yields 3-ps, compressed pulses without background pedestals or sidelopes. Trapezoidal, flat-topped pulses with 20-ps FWHM and 4-ps risetime have been obtained through self-phase modulation and group-velocity dispersion of the 3-ps pulses in a second fiber. Pulse shaping through Fourier transform amplitude and phase masking in the frequency ... continued below

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Pages: 16

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Nguyen, D.C.; Watkins, D.E. & Weber, M.E. January 1, 1988.

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We discuss the application of self-phase modulation and grating pulse compression to the generation of temporally trapezoidal optical pulses for controlling the electron beam emitance and energy spread in an FEL photoelectric injector. Pulse compression i n a single-stage pulse compressor, with background reduction based on the nonlinear birefringence of the optical fiber, yields 3-ps, compressed pulses without background pedestals or sidelopes. Trapezoidal, flat-topped pulses with 20-ps FWHM and 4-ps risetime have been obtained through self-phase modulation and group-velocity dispersion of the 3-ps pulses in a second fiber. Pulse shaping through Fourier transform amplitude and phase masking in the frequency domain and the amplification of the trapezoidal pulses ar also discussed. 14 refs., 9 figs.

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Pages: 16

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  • SPIE O-E Lase '88: optoelectronics and laser applications in science and engineering, Los Angeles, CA, USA, 10 Jan 1988

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  • Other: DE88007908
  • Report No.: LA-UR-88-696
  • Report No.: CONF-880110-25
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5180824
  • Archival Resource Key: ark:/67531/metadc1060031

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1988

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 6:59 p.m.

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Nguyen, D.C.; Watkins, D.E. & Weber, M.E. Application of pulse compression and shaping to the FEL photoelectric injector, article, January 1, 1988; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1060031/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.