Anderegg, Francois and Shiga, Nobuyasu and Danielson, James R. and Dubin, Daniel H. E. and Driscoll, C. Fred and Gould, Roy W. (2002) Thermal excitation of Trivelpiece-Gould modes in a pure electron plasma. In: Non-Neutral Plasma Physics IV. American Institute of Physics Conference Proceedings. No.606. American Institute of Physics , pp. 253-262. ISBN 0735400504. https://resolver.caltech.edu/CaltechAUTHORS:ANDaipcp02
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Abstract
Thermally excited plasma modes are observed in trapped, near-thermal-equilibrium pure electron plasmas over a temperature range of 0.05<T<5 eV. The measured thermal emission spectra together with a separate measurement of the wave absorption coefficient uniquely determines the temperature. Alternately, kinetic theory including the antenna geometry and the measured mode damping (i.e. spectral width) gives the plasma impedance, obviating the reflection measurement. This non-destructive temperature diagnostic agrees well with standard diagnostics, and may be useful for expensive species such as anti-matter.
| Item Type: | Book Section | ||||||
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| Additional Information: | ©2002 American Institute of Physics. This work is supported by Office of Naval Research Grant No. N00014-96-1-0239 and National Science Foundation Grant PHY-9876999. We thank Dr. R.E. Pollock for suggesting this work and demonstrating that thermally excited TG modes can be observed; and Dr. T.M. O'Neil for many fruitful discussions. | ||||||
| Subject Keywords: | electron traps; plasma properties; excited states; plasma waves; plasma temperature; temperature measurement | ||||||
| Series Name: | American Institute of Physics Conference Proceedings | ||||||
| Issue or Number: | 606 | ||||||
| DOI: | 10.1063/1.1454291 | ||||||
| Record Number: | CaltechAUTHORS:ANDaipcp02 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:ANDaipcp02 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 1808 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 19 Feb 2006 | ||||||
| Last Modified: | 08 Nov 2021 19:42 |
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