Development of Compton X-Ray Spectrometer for Fast Ignition Experiment

In the context of Fast Ignition, the fast electron temperature is a key parameter to determine the laser-to-fast electron energy conversion efficiency. Bremsstrahlung X-ray (γ-ray) emission represents an attractive alternative to measure this fundamental parameter. In this study, a single-shot high-...

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Bibliographic Details
Published in:Plasma and Fusion Research 2014/06/27, Vol.9, pp.4405109-4405109
Main Authors: KOJIMA, Sadaoki, ARIKAWA, Yasunobu, IKENOUCHI, Takahito, NAGAI, Takahiro, ABE, Yuki, SAKATA, Shouhei, INOUE, Hiroaki, NAMIMOTO, Takuya, FUJIOKA, Shinsuke, NAKAI, Mitsuo, SHIRAGA, Hiroyuki, Team, GEKKO-XII&LFEX, OZAKI, Tetsuo, ASAKAWA, Makoto R., KATO, Ryukou, AZECHI, Hiroshi
Format: Article
Language:English
Subjects:
fast electron
fast ignition
filter stack spectrometer
inertial confinement fusion
x-ray spectrometer
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Summary:In the context of Fast Ignition, the fast electron temperature is a key parameter to determine the laser-to-fast electron energy conversion efficiency. Bremsstrahlung X-ray (γ-ray) emission represents an attractive alternative to measure this fundamental parameter. In this study, a single-shot high-energy γ-ray spectrometer with sensitivity ranging from 0.5 MeV to 7 MeV was developed, allowing to estimate the γ-ray spectrum in the fast ignition.
ISSN:1880-6821
1880-6821
DOI:10.1585/pfr.9.4405109