Free-electron laser oscillator for simultaneous narrow spectral

Details Free-electron laser oscillator for simultaneous narrow spectral Free-electron laser oscillator for simultaneous narrow spectral

1991-06-25

1992-07-14

Scott, Jr., Leon

Coherent light generators

Free electron laser

372 18, 372 25, 372108, H01S 300

Patent

active

051309947

ABSTRACT:
The present invention provides in a Free electron laser a means to increase the temporal resolution of the optical pulses while simultaneously increasing the spectral resolution of the pulse train. The increase in temporal resolution is achieved by introducing a quadratic temporal phase variation (i.e. linear frequency chirping) across the pulses, and then propagating the outcoupled pulses through a dispersive relay line to compress them to the transform limit of the broadened spectrum.

REFERENCES:
patent: 4748629 (1988-05-01), Edlin et al.
patent: 4845718 (1989-07-01), Pistoresi
B. D. McVey et al., "Numerical Simulations of Free Electron . . . " NIMPR A285, (1989) 186-191, North-Holland, Amsterdam.
Gerald T. Moore; "Frequency Chirping of the Free-Electron Laser"; Physical Review Letters; vol. 60, No. 18; pp. 1825-1827; May 2, 1988.
Gerald T. Moore; "The Chirped-Pulse Free Electron Laser"; Nuclear Instruments and Methods in Physics Research; A272 (1988); pp. 302-310, Oct. 3, 1988.
Stephen V. Benzon, John Schultz, Brett A. Hooper, Richard Crane, John M. J. Madey; "Status Report on the Stanford Mark III Infrared Free Electron Laser"; Nuclear Instruments and Methods in Physics Research; A272 (1988); pp. 22-28; Oct. 8, 1988.
D. Oepts, A. F. G. Van Der Meer, R. W. B. Best and P. W. Van Amersfoort; "Simulations of Mode Reduction with an Intracavity Etalon in an RF-Linac Based FEL"; Nuclear Instruments and Methods in Physics Research; A285 (1989); pp. 204-210, Dec. 10, 1989.
Gerald T. Moore and John C. Goldstein; "Chirping for Efficiency Enhancement of the Free Electron Laser"; Nuclear Instruments and Methods in Physics Research; A285 pp. 176-185, Dec. 10, 1989.

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