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 (λ=1.22 mm) for heterodyne scattering measurements and 694 GHz (λ=432 μm) for high resolution interferometry. Future plans include a 30 channel interferometer/polarimeter operating at 694 GHz to accurately determine current profiles.
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References
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Peebles, W.A., Savage, R.L., Brower, D.L. et al. Plasma diagnostic applications on the TEXT tokamak using a high power, twin frequency optically pumped far-infrared laser. Int J Infrared Milli Waves 8, 1355–1363 (1987). https://doi.org/10.1007/BF01117765
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DOI: https://doi.org/10.1007/BF01117765