Properties and current-voltage characteristics of discharges in waveguide gas lasers |
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| Authors: | D. Schuöcker W. Reif R. Erlacher G. Schiffner |
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| Affiliation: | (1) Institut für Hochfrequenztechnik, Technical University, A-1040 Vienna, Austria;(2) Zentrale Forschung und Entwicklung, Siemens AG., D-8000 München 70, Fed. Rep. Germany;(3) Present address: Technical University, D-8000 München 2, Fed. Rep. Germany |
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| Abstract: | The paper deals with the properties andI-V characteristics of discharges in narrow capillaries used, for example, for He−Ne waveguide lasers. It has been observed that discharges in He−Ne waveguide lasers are unstable because of the strongly falling characteristic. A theory is presented which assumes that at low currents wall charges restrict the positive column to a narrow plasma channel and are the main reason for the observed falling characteristic. A numerical evaluation for helium gives results which agree well with experimental data. |
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| Keywords: | 42.55 52 |
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