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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/32779338
Record Status
Checked
Record Id
32779338
Title
A THz Driven Transverse Deflector for Femtosecond Longitudinal Profile Diagnostics
Contributors
SP Jamison (STFC Daresbury Lab.)
,
EW Snedden (STFC Daresbury Lab.)
,
DA Walsh (STFC Daresbury Lab.)
,
MJ Cliffe
,
DM Graham
,
DS Lake
Abstract
Progress towards a THz-driven transverse deflecting longitudinal profile diagnostic is presented. The deflector is driven with sub-picosecond quasi-single cycle THz fields generated by non-linear optical rectification. To utilize the large deflection field strength of the source for longitudinal diagnostics it is necessary to maintain the single-cycle field profile of the THz pulse throughout the interaction with the relativistic beam. Our scheme allows for the octave spanning bandwidth of the single-cycle pulses to propagate without dispersion at subluminal velocities matched to co-propagating relativistic electrons, by passing the pulse distortion and group-carrier walk-off limitations of dielectric loaded waveguide structure. The phase velocity is readily tuneable, both above and below the speed of light in a vacuum, and single-cycle propagation of deflecting fields at velocities down to 0.77c have been demonstrated.
Organisation
ASTeC
,
STFC
Keywords
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Language
English (EN)
Type
Details
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Year
Paper In Conference Proceedings
In 2016 International Beam Instrumentation Conference (IBIC2016), Barcelona, Spain, 11-15 Sep 2016, (2016): 748-751.
http://accelconf.…16/papers/wepg48.pdf
2016
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