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Full Record Details
DOI
10.5286/raltr.2013011
Persistent URL
http://purl.org/net/epubs/work/10698348
Record Status
Checked
Record Id
10698348
Title
Survey and Monitoring of Relativistic Electrons in Petawatt Laser Shots - Some Options
Contributors
JE Bateman
,
MJ Mead
Abstract
The exciting products of petawatt laser shots, charged particles and gamma rays of energies up to 100MeV and attosecond light pulses depend on the primary production of relativistic electrons (i.e. with energies comparable to or greater than the electron rest mass). On the negative side, recent work at Lawrence Livermore National Laboratory and recent analysis by the present authors points the finger at the flux of high energy (MeV) electrons leaving the target as the cause of the damaging electromagnetic pulse (EMP) frequently associated with such shots. Monitoring the magnitude and distribution of these electrons within a shot is clearly desirable. This report discusses the problems associated with this procedure and proposes some relatively simple detector systems appropriate to the task. Passive, dynamic and time domain detector types are considered using both the Cerenkov and scintillation processes. The Cerenkov type is shown to provide the maximum differentiation between electron flux and the other types of radiation present.
Organisation
CLF
,
STFC
Keywords
Funding Information
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Language
English (EN)
Type
Details
URI(s)
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Year
Report
RAL Technical Reports
RAL-TR-2013-011. STFC, 2013.
RAL-TR-2013-011.pdf
2013
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