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Observation of Femtosecond Bunch Length Using a Transverse Deflecting Structure
M. Ross
T. Smith
J. Frisch
D. McCormick
J. Rossbach
H. Schlarb
M. Huning
A. Bolzmann
出版
United States. Department of Energy
, 2005
URL
http://books.google.com.hk/books?id=XzicDAEACAAJ&hl=&source=gbs_api
註釋
The design of the VUV-FEL at DESY demands bunch lengths in the order of 50 fs and below. For the diagnostic of such very short bunches a transverse deflecting RF structure (LOLA) has been installed which streaks the beam according to the longitudinal distribution. Tests in the VUV-FEL yielded a rich substructure of the bunches. The most pronounced peak in the has a rms length of approximately 50 fs during FEL operation and below 20 fs FWHM at maximum compression. Depending on the transverse focusing a resolution well below 50 fs was achieved.
