Compact flash x‐ray source producing high average powers in nanosecond pulses

Compact flash x‐ray source producing high average powers in nanosecond pulses

X‐ray diodes driven by repetitively pulsed Blumleins have been shown to be able to deliver high dose rates of x rays in pulses of nanosecond duration. Reported here is a study of the scaling of such devices conducted to isolate the primary factors limiting performance. Low residual gas pressure in t...

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Veröffentlicht in:Review of scientific instruments 1993-08, Vol.64 (8), p.2320-2325
Hauptverfasser: Pouvesle, J. M., Cachoncinlle, C., Robert, E., Viladrosa, R., Collins, C. B., Davanloo, F.
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Sprache:eng
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Exact sciences and technology
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
X- and γ-ray instruments and techniques
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container_end_page 2325
container_issue 8
container_start_page 2320
container_title Review of scientific instruments
container_volume 64
creator Pouvesle, J. M.
Cachoncinlle, C.
Robert, E.
Viladrosa, R.
Collins, C. B.
Davanloo, F.
description X‐ray diodes driven by repetitively pulsed Blumleins have been shown to be able to deliver high dose rates of x rays in pulses of nanosecond duration. Reported here is a study of the scaling of such devices conducted to isolate the primary factors limiting performance. Low residual gas pressure in the output diode together with the critical alignment of the electrodes were found essential for enhanced output. Optimizations served to increase the x‐ray yield by an order of magnitude and the resulting performance is reported. At the output window, dose rates exceeding 1.4 kR min−1 were obtained in nanosecond pulses from the finished device of table top size at a charging voltage of 30 kV and a pulse repetition rate of 50 Hz.
doi_str_mv 10.1063/1.1143928
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subjects Exact sciences and technology
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
X- and γ-ray instruments and techniques
title Compact flash x‐ray source producing high average powers in nanosecond pulses
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