Comparison of hollow cathode and Penning discharges for metastable He production
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Andruczyk, D; Feng, P X; James, Brian W; Howard, John
Description
The production of helium 21S singlet metastable atoms has been investigated using a hollow cathode discharge and a Penning discharge, under dc discharge conditions. The density of metastable atoms was measured by atomic absorption using the 21S-31P transition (501.57 nm). A range of plasma currents, varying from 16 to 180 mA, and a range of pressures, from 100 mTorr to 5 Torr, were investigated. This work is directed ultimately to the production of a supersonic metastable helium beam for plasma...[Show more]
Collections | ANU Research Publications |
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Date published: | 2002 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/94644 |
Source: | Plasma Sources Science and Technology |
DOI: | 10.1088/0963-0252/11/4/309 |
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01_Andruczyk_Comparison_of_hollow_cathode_2002.pdf | 275.27 kB | Adobe PDF | Request a copy |
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