Scanning microwave interferometer for ELMO bumpy torus

A simple 4‐mm scanning microwave interferometer has been developed and employed for electron density profile measurements on the ELMO bumpy torus (EBT). By making use of a pair of horizontally moving 45° mirrors that are located at the top and bottom of the plasma volume, the system avoids the delet...

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Veröffentlicht in:	Rev. Sci. Instrum.; (United States) 1983-10, Vol.54 (10), p.1420-1421
1. Verfasser:	Uckan, Taner
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700102 - Fusion Energy- Plasma Research- Diagnostics ELECTROMAGNETIC RADIATION ELECTRON DENSITY ELMO BUMPY TORUS ELMO DEVICES Exact sciences and technology FABRICATION INTERFEROMETERS MAGNETIC MIRRORS MEASURING INSTRUMENTS MICROWAVE RADIATION MIRRORS OPEN PLASMA DEVICES Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges Plasma diagnostic techniques and instrumentation PLASMA DIAGNOSTICS RADIATIONS SPUTTERING THERMONUCLEAR DEVICES USES
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Beschreibung
Zusammenfassung:	A simple 4‐mm scanning microwave interferometer has been developed and employed for electron density profile measurements on the ELMO bumpy torus (EBT). By making use of a pair of horizontally moving 45° mirrors that are located at the top and bottom of the plasma volume, the system avoids the deleterious effects of plasma sputtering and wall material flaking, since the microwave transmission and receiving horns do not view the plasma directly.
ISSN:	0034-6748 1089-7623
DOI:	10.1063/1.1137237