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Persistent URL http://purl.org/net/epubs/work/65425
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Record Id 65425
Title Studies Toward a Demonstration of Relativistic Electron Beam Energy Modulation by Interaction with Terahertz Radiation in Free Space
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Abstract This thesis details the experimental studies leading to initial attempts to measure an interaction in free space between a short pulse of terahertz radiation (generated from a 40 fs, 800 nm titanium-sapphire (Ti:S) laser pulse) and bunches of medium-energy relativistic electrons within the ALICE accelerator. The work undertaken included optimization of the terahertz source itself, which is a large-area photoconductive antenna with high-voltage electrodes; the aim being to maximize the potential that can be applied before breakdown occurs. The key feature of such terahertz sources is the radially-polarized (TEM10-like) nature of the radiation generated. Further work included characterization of the temporal structure and transverse profile of the terahertz radiation pulse in the ALICE Diagnostics Room; duplication of this experimental arrangement inside the ALICE accelerator; modification of the operating parameters of ALICE to produce the most conductive situation for detecting an interaction. The final step was the installation of additional electron beam diagnostics and the experimental search for a definite interaction signal. The work described in this thesis is part of a project named ALICE Energy Modulation Induced by Terahertz Radiation, also known as AEMITR.
Organisation CI , STFC
Keywords Physics , energy modulation , electron beam , terahertz radiation , photoconductive antenna
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Language English (EN)
Type Details URI(s) Local file(s) Year
Thesis CI Preprints 13-15. PhD, University of Liverpool, Department of Physics, 2013. Thesis_15_5_13_comp.pdf 2013