Young, P. E. and Neikirk, D. P. and Tong, P. P. and Rutledge, D. B. and Luhmann, N. C., Jr. (1985) Multichannel far-infrared phase imaging for fusion plasmas. Review of Scientific Instruments, 56 (1). pp. 81-89. ISSN 0034-6748. http://resolver.caltech.edu/CaltechAUTHORS:YOUrsi85a
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A 20-channel far-infrared imaging interferometer system has been used to obtain single-shot density profiles in the UCLA Microtor tokamak. This system differs from conventional multichannel interferometers in that the phase distribution produced by the plasma is imaged onto a single, monolithic, integrated microbolometer linear detector array and provides significantly more channels than previous far-infrared interferometers. The system has been demonstrated to provide diffraction-limited phase images of dielectric targets.
|Additional Information:||Copyright © 1985 American Institute of Physics. Received 9 July 1984; accepted 1 August 1984. The authors wish to thank Dr. R.J. Taylor for providing machine time and technical support on the UCLA Microrotor tokamak. Phillip Hoffman of the UCLA Department of Electrical Engineering designed and built the prototype of the low noise amplifier. This work was supported by the U.S. Department of Energy, Office of Fusion Energy Contact No. DE-AM03-T6SF00010, P.A. No. DE-AT03-T6ET53019, Task IIIB.|
|Subject Keywords:||INTERFEROMETRY, PLASMA DIAGNOSTICS, FAR INFRARED RADIATION, PLASMA DENSITY, IMAGES, TOKAMAK DEVICES|
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|Deposited On:||21 Dec 2008 02:20|
|Last Modified:||26 Dec 2012 10:39|
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