Generation of frequency-chirped optical pulses in a large-slippage free-electron laser

TitleGeneration of frequency-chirped optical pulses in a large-slippage free-electron laser
Publication TypeJournal Article
Year of Publication1997
AuthorsG.M.H. Knippels, A.FG van der Meer, D. Oepts, P.W van Amersfoort
JournalIeee Journal of Quantum Electronics
Volume33
Number1
Pagination10-17
Date PublishedJan
ISBN Number0018-9197
Abstract

We have investigated the optical output of the free-electron laser for infrared experiments (FELIX) when it is driven by an electron beam with a camped energy, We show that the applied slow ramp on the electron beam energy leads to a frequency chirp on each picosecond optical pulse, Typical values for the chirp are 0.2% frequency sweep across a 1.5-ps-long optical pulse, The optical pulses were analyzed with a double-grating pair and with a second-order autocorrelator, The pulse duration was reduced in the double-grating pair by 20%. A linear dependence of the chirp on the cavity desynchronization was measured.

DOI10.1109/3.554867
PID

bf74de85af4992481dfc01541c9c35ec

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