A picosecond time-resolved electron energy spectrometer based on Cerenkov radiation

The energy spectrum of relativistic electrons is an important characterization of high intensity laser-matter interactions. We present a technique that utilizes Cerenkov radiation to measure the time-resolved energy distribution of electrons. Electrons escaping from targets irradiated by high-intens...

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Bibliographic Details
Published in:Review of scientific instruments 2009-02, Vol.80 (2), p.023302-023302
Main Authors: Elberson, Lee N, Ping, Yuan, Shepherd, Ronnie L, Patel, Pravesh K, Mackinnon, Andrew J, Hill, 3rd, Wendell T
Format: Article
Language:English
Subjects:
CHERENKOV COUNTERS
CHERENKOV RADIATION
ELECTRON BEAMS
ELECTRON SPECTROMETERS
ELECTRONS
ENERGY SPECTRA
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
INTERACTIONS
IRRADIATION
LASERS
RELATIVISTIC RANGE
TIME RESOLUTION
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Description
Summary:The energy spectrum of relativistic electrons is an important characterization of high intensity laser-matter interactions. We present a technique that utilizes Cerenkov radiation to measure the time-resolved energy distribution of electrons. Electrons escaping from targets irradiated by high-intensity laser pulses were measured, demonstrating the feasibility of such a novel diagnostic. Limitations on the time resolution of this diagnostic are also discussed.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.3080555