Experimental study of the spatial evolution of the spectrum of a Raman FEL

P. Zambon; W.J. Witteman; P.J.M. van der Slot

doi:10.1016/0168-9002(94)01289-X

Experimental study of the spatial evolution of the spectrum of a Raman FEL

P. Zambon^*, W.J. Witteman, P.J.M. van der Slot

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

For a specific set of parameters, corresponding to an operating point near magneto-resonance, the evolution of the spectrum generated by a Raman FEL was investigated. It is shown that in several frequency bands radiation is emitted. These different frequencies are identified as belonging to the FEL instability and another mechanism, probably the gyrotron instability. The measurements show apparently a competition between these mechanisms. The experimentally determined growth rate is somewhat larger than the theoretical one, indicating that the FEL does not operate as a true amplifier.

Original language	English
Pages (from-to)	126-128
Number of pages	3
Journal	Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment
Volume	358
Issue number	1-3
DOIs	https://doi.org/10.1016/0168-9002(94)01289-X
Publication status	Published - 1995
Event	16th International Free Electron Laser Conference, FEL 1994 - Stanford, United States Duration: 22 Aug 1994 → 26 Aug 1994 Conference number: 16

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@article{06e95d41dc0f40a68c7d89c037eff044,

title = "Experimental study of the spatial evolution of the spectrum of a Raman FEL",

abstract = "For a specific set of parameters, corresponding to an operating point near magneto-resonance, the evolution of the spectrum generated by a Raman FEL was investigated. It is shown that in several frequency bands radiation is emitted. These different frequencies are identified as belonging to the FEL instability and another mechanism, probably the gyrotron instability. The measurements show apparently a competition between these mechanisms. The experimentally determined growth rate is somewhat larger than the theoretical one, indicating that the FEL does not operate as a true amplifier.",

author = "P. Zambon and W.J. Witteman and {van der Slot}, P.J.M.",

year = "1995",

doi = "10.1016/0168-9002(94)01289-X",

language = "English",

volume = "358",

pages = "126--128",

journal = "Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment",

issn = "0168-9002",

publisher = "Elsevier",

number = "1-3",

note = "16th International Free Electron Laser Conference, FEL 1994, FEL ; Conference date: 22-08-1994 Through 26-08-1994",

}

Experimental study of the spatial evolution of the spectrum of a Raman FEL. / Zambon, P.; Witteman, W.J.; van der Slot, P.J.M.
In: Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment, Vol. 358, No. 1-3, 1995, p. 126-128.

Research output: Contribution to journal › Article › Academic › peer-review

TY - JOUR

T1 - Experimental study of the spatial evolution of the spectrum of a Raman FEL

AU - Zambon, P.

AU - Witteman, W.J.

AU - van der Slot, P.J.M.

N1 - Conference code: 16

PY - 1995

Y1 - 1995

N2 - For a specific set of parameters, corresponding to an operating point near magneto-resonance, the evolution of the spectrum generated by a Raman FEL was investigated. It is shown that in several frequency bands radiation is emitted. These different frequencies are identified as belonging to the FEL instability and another mechanism, probably the gyrotron instability. The measurements show apparently a competition between these mechanisms. The experimentally determined growth rate is somewhat larger than the theoretical one, indicating that the FEL does not operate as a true amplifier.

AB - For a specific set of parameters, corresponding to an operating point near magneto-resonance, the evolution of the spectrum generated by a Raman FEL was investigated. It is shown that in several frequency bands radiation is emitted. These different frequencies are identified as belonging to the FEL instability and another mechanism, probably the gyrotron instability. The measurements show apparently a competition between these mechanisms. The experimentally determined growth rate is somewhat larger than the theoretical one, indicating that the FEL does not operate as a true amplifier.

U2 - 10.1016/0168-9002(94)01289-X

DO - 10.1016/0168-9002(94)01289-X

M3 - Article

SN - 0168-9002

VL - 358

SP - 126

EP - 128

JO - Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment

JF - Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment

IS - 1-3

T2 - 16th International Free Electron Laser Conference, FEL 1994

Y2 - 22 August 1994 through 26 August 1994

ER -

Experimental study of the spatial evolution of the spectrum of a Raman FEL

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