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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Fusion Science and Technology
Latest News
The RAIN scale: A good intention that falls short
Radiation protection specialists agree that clear communication of radiation risks remains a vexing challenge that cannot be solved solely by finding new ways to convey technical information.
Earlier this year, an article in Nuclear News described a new radiation risk communication tool, known as the Radiation Index, or, RAIN (“Let it RAIN: A new approach to radiation communication,” NN, Jan. 2025, p. 36). The authors of the article created the RAIN scale to improve radiation risk communication to the general public who are not well-versed in important aspects of radiation exposures, including radiation dose quantities, units, and values; associated health consequences; and the benefits derived from radiation exposures.
A. L. Solomakhin et al.
Fusion Science and Technology | Volume 59 | Number 1 | January 2011 | Pages 120-123
doi.org/10.13182/FST11-A11588
Articles are hosted by Taylor and Francis Online.
We propose to use dispersion interferometer for measurement of plasma density and control of plasma position on present and future fusion devices. Distinguishing feature of this scheme is probing of plasma on two wavelengths. Short-wave radiation is formed by method of frequency fundamental radiation doubling. Probing first and second harmonics rays are combined spatially at the same time. It allows to create interferometer which is sensitive only to dispersion of studied medium and weakly sensitive to vibration of optical elements. Designs of the optical system dispersion interferometer and results of plasma density measurements on GDT mirror and TEXTOR tokamak are presented.
