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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/32779364
Record Status
Checked
Record Id
32779364
Title
A High Resolution Single-Shot Longitudinal Profile Diagnostic Using Electro-Optic Transposition
Contributors
DA Walsh (STFC Daresbury Lab.)
,
SP Jamison (STFC Daresbury Lab.)
,
EW Snedden (STFC Daresbury Lab.)
,
T Lefevre
Abstract
Electro-Optic Transposition (EOT) is the basis for an improved longitudinal bunch profile diagnostic we are developing in ASTeC as part of the CLIC UK research program. The scheme consists of transposing the Cou-lomb field profile of an electron bunch into the intensity envelope of an optical pulse via the mixing processes that occur between a CW laser probe and Coulomb field in an electro-optic material. This transposed optical pulse can then be amplified and characterised using robust laser techniques ' in this case chirped pulse optical parametric amplification and frequency resolved optical gating, allowing the Coulomb field to be recovered. EOT is an improvement over existing techniques in terms of the achievable resolution which is limited by the EO material response itself, reduced complexity of the laser system required since nanosecond rather than femtosecond lasers are used, and insensitivity of the system to bunch-laser arrival time jitter due to using a nanosecond long probe. We present results showing the retrieval of a THz pulse (Coulomb field stand-in) which confirms the principle behind the EOT system.
Organisation
ASTeC
,
STFC
Keywords
Funding Information
CERN
(KE1866/DG/CLIC)
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Paper In Conference Proceedings
In 2016 International Beam Instrumentation Conference (IBIC 2016), Barcelona, Spain, 11-15 Sep 2016, (2016): 752-755.
http://accelconf.…16/papers/wepg49.pdf
2016
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