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Proceedings Paper

Gas-discharge converter with improved spatial resolution for operation with a bremsstrahlung beam of 70-MeV boundary energy
Author(s): S. N. Averyaskin; Yadik Z. Kandiev; V. K. Kuleshov; N. M. Mamontov; S. I. Samarin
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Paper Abstract

The passade of the bremsstrahlung spectrum with boundary energy equal to 70 MeV through the lead and iron absorbers whose thickness corresponds to the widely spread investigated objects is calculated. Further, by applying the statistical modelling method the calculation of the interaction between the obtained spectra of the gamma radiation and the converting plate of the gas discharge converter (GDC) is performed. The trajectories of electrons entering into gas volume are followed and the radial distribution of the energy losses in gas is calculated. It is shown that unsharpness being found in the gas layer depends on the distance from the converter electrode. The calculation of the gas amplification processes is carried out, and on the basis of this calculation it is shown that by choosing the high-voltage pulse form, duration and amplitude of the GDC power supply it is possible to achieve the essential improvement of the GDC spatial resolution.

Paper Details

Date Published: 30 May 1995
PDF: 11 pages
Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); doi: 10.1117/12.209663
Show Author Affiliations
S. N. Averyaskin, All-Russian Research Institute of Technical Physics (Russia)
Yadik Z. Kandiev, All-Russian Research Institute of Technical Physics (Russia)
V. K. Kuleshov, All-Russian Research Institute of Technical Physics (Russia)
N. M. Mamontov, All-Russian Research Institute of Technical Physics (Russia)
S. I. Samarin, All-Russian Research Institute of Technical Physics (Russia)


Published in SPIE Proceedings Vol. 2513:
21st International Congress on: High-Speed Photography and Photonics
Ung Kim; Joon-Sung Chang; Seung-Han Park, Editor(s)

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