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Plasma diagnostic applications on the TEXT tokamak using a high power, twin frequency optically pumped far-infrared laser |
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| Authors: | W. A. Peebles R. L. Savage Jr. D. L. Brower S. K. Kim T. Lehecka J. Howard E. J. Doyle N. C. Luhmann Jr. |
| Affiliation: | (1) University of California, 90024 Los Angeles, California |
| Abstract: | A high-power, twin-frequency, optically-pumped, far-infrared (FIR) laser has been developed at UCLA for diagnostic application on the TEXT tokamak. The source is operated at 245 GHz (  =1.22 mm) for heterodyne scattering measurements and 694 GHz (=432  m) for high resolution interferometry. Future plans include a 30 channel interferometer/polarimeter operating at 694 GHz to accurately determine current profiles. |
| Keywords: | Plasma diagnostics twin-frequency far-infrared laser interferometry collective scattering |
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