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V. Vylet

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Last Name: Vylet

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3 papers

title: Short wavelength FELs using the SLAC linac

format: journal article

year: 1994

30 authors: J. Cobb | D. Prosnitz | V. Vylet | J. Seeman | P. Pianetta | P. Morton | H. D. Nuhn | K. Bane | R. Boyce | G. Loew | R. Miller | J. Paterson | D. Palmer | T. Raubenheimer | R. Tatchyn | H. Winick | A. D. Yeremian | C. Pellegrini | J. B. Rosenzweig | G. Travish | E. T. Scharlemann | W. M. Fawley | K. Halbach | K. J. Kim | R. Schlueter | A. M. Sessler | M. Xie | R. Bonifacio | L. De Salvo | P. Pierini

abstract: We have studied the use of the SLAC linac to drive FELs at wavelengths down to a few angstroms. Lasing would be achieved in a single pass of a low emittance, high peak current, high energy eelctron beam through a long undulator by Self-Amplified-Spontaneous-Emissin (SASE). About 10(13) photons per pulse can be produced in 100 fs pulses at a 120 Hz rate, corresponding to brightness levels of about 10(22) average and 10(32) peak. Peak power levels are tens of GW. Electron energies of 10-20 GeV are required. Signifcant imporvement of FEL performance seems possible using harmonic generation techniques according to results from numerical simulations.

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title: The SLAC soft X-ray high power FEL

format: conference procceeding

conference: 15th International Free Electron Laser Conference

year: 1994

23 authors: C. Pellegrini | J. B. Rosenzweig | G. Travish | K. Bane | R. Boyce | G. Loew | P. Morton | H. D. Nuhn | J. Paterson | P. Pianetta | T. Raubenheimer | J. Seeman | R. Tatchyn | V. Vylet | H. Winick | K. Halbach | K. J. Kim | M. Xie | D. Prosnitz | E. T. Scharlemann | R. Bonifacio | L. De Salvo | P. Pierini

abstract: We discuss the design and performance of a 2 to 4 nm FEL operating in self-amplified spontaneous emission (SASE), using a photoinjector to produce the electron beam, and the SLAC linac to accelerate it to an energy of about 7 GeV. Longitudinal bunch compression is used to increase the peak current to 2.5 kA, while reducing the bunch length to about 40 mu m. The FEL field gain length is about 6 m, and the saturation length is about 60 m. The saturated output power is about 10 GW, corresponding to about 10/sup 14/ photons in a single pulse in a bandwidth of about 0.1%, with a pulse duration of 0.16 ps. Length compression, emittance control, phase stability, FEL design criteria, and parameter tolerances are discussed. (15 References).

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title: A 2-4 nm Linac Coherent Light Source (LCLS) using the SLAC linac

format: conference procceeding

conference: 1993 Particle Accelerator Conference

year: 1993

20 authors: H. Winick | K. Bane | R. Boyce | G. Loew | P. Morton | H. D. Nuhn | J. Paterson | P. Pianetta | T. Raubenheimer | J. Seeman | R. Tatchyn | V. Vylet | C. Pellegrini | J. B. Rosenzweig | G. Travish | D. Prosnitz | E. T. Scharlemann | K. Halbach | K. J. Kim | M. Xie

abstract: We describe the use of the SLAC linac to drive a unique, powerful, short wavelength Linac Coherent Light Source (LCLS). Operating as an FEL, lasing would be achieved in a single pass of a high peak current electron beam through a long undulator by self-amplified spontaneous emission. The main components are a high-brightness rf photocathode electron gun; pulse compressors; about 1/5 of the SLAC linac; and a long undulator with a FODO quadrupole focusing system. Using electrons below 8 GeV, the system would operate at wavelengths down to about 3 nm, producing [right angle bracket]or=10 GW of peak power in sub-ps pulses. At a 120 Hz rate the average power is approximately=1 W. (6 References).

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title:	Short wavelength FELs using the SLAC linac
format:	journal article
year:	1994
30 authors:	J. Cobb \| D. Prosnitz \| V. Vylet \| J. Seeman \| P. Pianetta \| P. Morton \| H. D. Nuhn \| K. Bane \| R. Boyce \| G. Loew \| R. Miller \| J. Paterson \| D. Palmer \| T. Raubenheimer \| R. Tatchyn \| H. Winick \| A. D. Yeremian \| C. Pellegrini \| J. B. Rosenzweig \| G. Travish \| E. T. Scharlemann \| W. M. Fawley \| K. Halbach \| K. J. Kim \| R. Schlueter \| A. M. Sessler \| M. Xie \| R. Bonifacio \| L. De Salvo \| P. Pierini
abstract:	We have studied the use of the SLAC linac to drive FELs at wavelengths down to a few angstroms. Lasing would be achieved in a single pass of a low emittance, high peak current, high energy eelctron beam through a long undulator by Self-Amplified-Spontaneous-Emissin (SASE). About 10(13) photons per pulse can be produced in 100 fs pulses at a 120 Hz rate, corresponding to brightness levels of about 10(22) average and 10(32) peak. Peak power levels are tens of GW. Electron energies of 10-20 GeV are required. Signifcant imporvement of FEL performance seems possible using harmonic generation techniques according to results from numerical simulations.
keywords:
Details \| edit \| delete

title:	The SLAC soft X-ray high power FEL
format:	conference procceeding
conference:	15th International Free Electron Laser Conference
year:	1994
23 authors:	C. Pellegrini \| J. B. Rosenzweig \| G. Travish \| K. Bane \| R. Boyce \| G. Loew \| P. Morton \| H. D. Nuhn \| J. Paterson \| P. Pianetta \| T. Raubenheimer \| J. Seeman \| R. Tatchyn \| V. Vylet \| H. Winick \| K. Halbach \| K. J. Kim \| M. Xie \| D. Prosnitz \| E. T. Scharlemann \| R. Bonifacio \| L. De Salvo \| P. Pierini
abstract:	We discuss the design and performance of a 2 to 4 nm FEL operating in self-amplified spontaneous emission (SASE), using a photoinjector to produce the electron beam, and the SLAC linac to accelerate it to an energy of about 7 GeV. Longitudinal bunch compression is used to increase the peak current to 2.5 kA, while reducing the bunch length to about 40 mu m. The FEL field gain length is about 6 m, and the saturation length is about 60 m. The saturated output power is about 10 GW, corresponding to about 10/sup 14/ photons in a single pulse in a bandwidth of about 0.1%, with a pulse duration of 0.16 ps. Length compression, emittance control, phase stability, FEL design criteria, and parameter tolerances are discussed. (15 References).
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title:	A 2-4 nm Linac Coherent Light Source (LCLS) using the SLAC linac
format:	conference procceeding
conference:	1993 Particle Accelerator Conference
year:	1993
20 authors:	H. Winick \| K. Bane \| R. Boyce \| G. Loew \| P. Morton \| H. D. Nuhn \| J. Paterson \| P. Pianetta \| T. Raubenheimer \| J. Seeman \| R. Tatchyn \| V. Vylet \| C. Pellegrini \| J. B. Rosenzweig \| G. Travish \| D. Prosnitz \| E. T. Scharlemann \| K. Halbach \| K. J. Kim \| M. Xie
abstract:	We describe the use of the SLAC linac to drive a unique, powerful, short wavelength Linac Coherent Light Source (LCLS). Operating as an FEL, lasing would be achieved in a single pass of a high peak current electron beam through a long undulator by self-amplified spontaneous emission. The main components are a high-brightness rf photocathode electron gun; pulse compressors; about 1/5 of the SLAC linac; and a long undulator with a FODO quadrupole focusing system. Using electrons below 8 GeV, the system would operate at wavelengths down to about 3 nm, producing [right angle bracket]or=10 GW of peak power in sub-ps pulses. At a 120 Hz rate the average power is approximately=1 W. (6 References).
keywords:
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