EnglishTemperature and density measurements of the 4s(3)P(2) argon metastable atom level in a weakly diffusion ionized argon plasma are presented and discussed. The steady state collisionless unmagnetized plasma is generated at a gas pressure of 50 mPa, extruded by hot filament DC discharges and diffused in a chamber of about 40 \ volume. The temperature is measured from the absorption linewidth and the density from the spectral absorption coefficient of a low-cost single-mode diode laser (801 479 nm) by scanning its frequency around the 4s(3)P(2)-4p(3)D(2) Arl transition.
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http://hdl.handle.net/11568/46675| Autori interni: | BEVERINI, NICOLO' |
| Autori: | Beverini N; Cicconi G; Genovesi GL; Piano E |
| Titolo: | 4s(3)P(2) metastable level density and temperature measurement in a low-density argon plasma |
| Anno del prodotto: | 1997 |
| Digital Object Identifier (DOI): | 10.1088/0963-0252/6/2/012 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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