NDLI: X-ray source for irradiation of large-area objects

Content Provider	Springer Nature Link
Author	Petin, V. K. Shljakhtun, S. V. Oreshkin, V. I. Ratakhin, N. A.
Copyright Year	2008
Abstract	The results of experiments with a three-ring large-area diode that were conducted on an MIG pulse generator are reported. The MIG generator makes it possible to produce in a matched load electrical pulses up to 2 TW in power with an FWHM of 50–60 ns (1.2–1.4 TW and 80–90 ns in our experiments). In the operating mode of the generator, the current amplitude through the load is 2 MA (the current of a relativistic electron beam) at a diode voltage of ≈ 500 kV. As a load, a large-area vacuum diode with three ring-shaped cathodes is used. It is shown that about 20% of the energy stored in the capacitor bank can be converted to the energy of a relativistic electron beam by matching the output resistance of the MIG generator to the load resistance. When the beam slows down on a condensed foil target, the parameters of the resulting source are the following: the mean energy of X-ray quanta is ≈ 70 keV; irradiated area, 500 cm$^{2}$; pulse FWHM, 65 ns; energy flux in the spectrum, 2 J/cm$^{2}$; and percentage of X-ray radiation (10–100 keV) in the flux, ≈ 50%.
Starting Page	776
Ending Page	782
Page Count	7
File Format	PDF
ISSN	10637842
Journal	Technical Physics
Volume Number	53
Issue Number	6
e-ISSN	10906525
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2008-07-02
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Intense particle beams and radiation sources Mechanics, Fluids, Thermodynamics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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