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Characterization of the Time Structure of FEL Radiation

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Synchrotron Light Sources and Free-Electron Lasers
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Abstract

Free-electron laser sources provide ultrashort pulses in the extreme ultraviolet and x-ray spectral regime with unprecedented brilliance and coherence properties. For experiments with these sources, photon diagnostics of individual pulses concerning pulse energy, spectral content, coherence properties, and pulse duration is mandatory. Among these pulse properties, the characterization of the pulse duration and in particular the temporal shape of the photon pulse coming from the FEL’s are very challenging. We will discuss different experimental approaches to obtain information on the temporal properties of FEL pulses.

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Abbreviations

CCD:

charge-coupled device

CTR:

coherent transition radiation

DESY:

Deutsches Elektronen-Synchrotron

ELETTRA:

Elettra-Sincrotrone Trieste

FEL:

free-electron laser

FERMI:

free-electron laser at Elettra-Sincrotrone Trieste

FLASH:

free-electron LASer Hamburg

HGHG:

high-gain harmonic generation

IR:

infrared

LCLS:

Linac Coherent Light Source

RF:

radio frequency

RMS:

root mean square

SACLA:

SPring-8 Angstrom Compact Free Electron Laser

SASE:

self-amplified spontaneous emission

SLAC:

Stanford Linear Accelerator Center

TCAV:

transverse deflecting cavity

TDS:

transverse deflecting structure

THz:

terahertz

XUV:

extreme ultraviolet

Ce-YAG:

cerium doped yttrium aluminum garnet

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Wurth, W. (2015). Characterization of the Time Structure of FEL Radiation. In: Jaeschke, E., Khan, S., Schneider, J., Hastings, J. (eds) Synchrotron Light Sources and Free-Electron Lasers. Springer, Cham. https://doi.org/10.1007/978-3-319-04507-8_49-1

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