13th International Free Electron Laser Conference

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Created at: Fri Jul 27 23:53:33 -0700 2007

Updated at: Fri Jul 27 23:53:33 -0700 2007

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3 papers from the conference:

title:	Large-field-strength short-period undulator design
format:	conference procceeding
conference:	13th International Free Electron Laser Conference
year:	1992
6 authors:	Varfolomeev, A. A. | S. N. Ivanchenkov | A. S. Khlebnikov | C. Pellegrini | Baranov, G. A. | Michailov, V. I.
abstract:	A high-quality strong-field hybrid undulator has been designed for an infrared FEL project to be performed at UCLA. The primary magnetic flux is provided by C-shaped vanadium-permendur yokes and SmCo_5 magnets. An additional magnetic flux is supplied by thin NdFeB magnet blocks placed between the yoke poles. This magnet geometry provides a high saturation limit for the magnetic field in the gap area. With the 15 mm period and 5 mm gap a peak on-axis field of 7.3 kG has been achieved. The undulator contains 40 periods. The high accuracy of the yoke poles alignment along with the ability to move the thin permanent magnet blocks provides an on-axis magnetic field accuracy better than 0.5%. (9 References).
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title:	The UCLA compact infrared free-electron laser
format:	conference procceeding
conference:	13th International Free Electron Laser Conference
year:	1992
16 authors:	J. W. Dodd | S. C. Hartman | S. Park | C. Pellegrini | J. B. Rosenzweig | D. B. Cline | G. Hairapetian | J. Kolonko | Smolin, J. A. | P. G. Davis | C. J. Joshi | Luhmann, N. C., Jr. | S. N. Ivanchenkov | A. S. Khlebnikov | Varfolomeev, A. A. | Barletta, W. A.
abstract:	The authors present the status of a compact infrared free-electron laser, driven by a 20 MeV, S-band linac with a photoinjector. The 60 cm long hybrid undulator has a 1.5 cm period and a field on axis of 7.3 kG. The FEL will operate at 10.6 mu m as a high-gain amplifier, to study the high-gain FEL regime including the effects of self amplified spontaneous emission, optical guiding and saturation. The linac is the prototype of the plane-wave transformer. TDA simulation of the FEL shows a gain length of 10 cm, and a saturation power of 50 MW. (18 References).
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title:	40 Angstrom FEL designs for the PEP storage ring
format:	conference procceeding
conference:	13th International Free Electron Laser Conference
year:	1992
6 authors:	Fisher, A. S. | J. C. Gallardo | Nuhn, H. D. | R. Tatchyn | H. Winick | C. Pellegrini
abstract:	Explores the use of the 2.2 km PEP storage ring at SLAC to drive a 40 angstrom free-electron laser in the self-amplified spontaneous emission configuration. Various combinations of electron-beam and undulator parameters, as well as special undulator designs, are discussed. Saturation and high peak, in-band, coherent power (460 MW) are possible with a 67 m, hybrid permanent-magnet undulator in a ring bypass. A 100 m, cusp-field undulator can achieve high average, in-band, coherent power (0.25 W) in the main ring. The existing, 25.6 m Paladin undulator at LLNL, with the addition of optical-klystron dispersive sections, is considered for both peak and average power. (35 References).
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