Dielectric Detector of Intense X-Ray Radiation Fluxes

The high sensitivity of traditional diagnostic methods hinders their application in inertial confinement fusion with the pulsed radiation power of target plasma being as high as 1013–1014 W. Different methods of attenuating the incident radiation flux either alter its characteristics or are too comp...

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Bibliographic Details
Published in:Physics of atomic nuclei 2019-12, Vol.82 (7), p.1072-1075
Main Authors: Barykov, I. A., Gritsuk, A. N., Dan’ko, S. A., Zaitsev, V. I., Kartashov, A. V., Meshchaninov, S. A., Rodionov, N. B., Terent’ev, O. V.
Format: Article
Language:English
Subjects:
Detectors
Diagnostic software
Diagnostic systems
Electrons
Fluxes
Incident radiation
Inertial confinement fusion
Ionizing radiation
Laser-plasma interactions
Particle and Nuclear Physics
Pellet fusion
Physics
Physics and Astronomy
Pulsed radiation
Sensitivity
Sensors
Silica glass
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Summary:The high sensitivity of traditional diagnostic methods hinders their application in inertial confinement fusion with the pulsed radiation power of target plasma being as high as 1013–1014 W. Different methods of attenuating the incident radiation flux either alter its characteristics or are too complicated. The results of tests of a new detector, where quartz glass is used as a sensing element, at the Angara-5-1 facility are presented. It is demonstrated experimentally that the detector sensitivity is ~2 V/(MW cm 2 ) and the time resolution is ~1 ns. The mechanism of formation of the response signal, where the temperature of electrons produced under irradiation plays a significant part, is discussed.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778819070032