High-Temperature Capillary Arc Discharge As A Source Of Soft X-R-Y Radiation

Sergey N. Belov; Evgeny M. Golubev; Nina N. Ogurtzova; Ivan V. Podmoshensky; Elena V. Priemysheva; Elena G. Vinokurova

doi:10.1117/12.961798

27 November 1989 High-Temperature Capillary Arc Discharge As A Source Of Soft X-R-Y Radiation

Sergey N. Belov, Evgeny M. Golubev, Nina N. Ogurtzova, Ivan V. Podmoshensky, Elena V. Priemysheva, Elena G. Vinokurova

Proceedings Volume 1140, X-Ray Instrumentation in Medicine and Biology, Plasma Physics, Astrophysics, and Synchrotron Radiation; (1989) https://doi.org/10.1117/12.961798
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

The high-temperature capillary arc discharge (HTCAD) is suggested as reference source for calibrating radiation in the far VUV - soft X-ray spectral range. Plasma radiation intensities in the ion CIV lines in visible and UV spectral regions have been determined for HTCAD with the pyrographite capillary, 0.22 cm I.D.,and 0.6 cm in length, at current pulse duration t=30 mcs, electron density ne=6.10¹⁷ cm^-3 and temperature T=380000 K. The emitting zones are located in the anode and cathode plasma jets flowing in the vacuum chamber pumped down to pressure of 0.1 Pa. The spectra have been recorded in short-wave TIT V spectral range. The ion CIV lines are shown to be optically thin and the radiation intensities in spectral lines 22.3 and 25.9 nm have been measured by the method of pair of lines with the common upper level.

Citation Download Citation

Sergey N. Belov, Evgeny M. Golubev, Nina N. Ogurtzova, Ivan V. Podmoshensky, Elena V. Priemysheva, and Elena G. Vinokurova "High-Temperature Capillary Arc Discharge As A Source Of Soft X-R-Y Radiation", Proc. SPIE 1140, X-Ray Instrumentation in Medicine and Biology, Plasma Physics, Astrophysics, and Synchrotron Radiation, (27 November 1989); https://doi.org/10.1117/12.961798

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