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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Recent surveys confirm high levels of U.S. nuclear support
Surveys have consistently indicated that public support in the United States for the use of nuclear energy has been increasing in recent years. Four recent surveys continue to suggest that near-record-high numbers of Americans support nuclear energy. However, the survey results differ—sometimes widely—in the details of their findings.
T. Uda, K. Okuno, S. O'Hira, Y. Naruse
Fusion Science and Technology | Volume 19 | Number 3 | May 1991 | Pages 1651-1656
Material and Tritium | Proceedings of the Ninth Topical Meeting on the Technology of Fusion Energy (Oak Brook, Illinois, October 7-11, 1990) | doi.org/10.13182/FST91-A29578
Articles are hosted by Taylor and Francis Online.
To study the application of laser Raman spectroscopy to analysis fusion fuel processing gas, six hydrogen isotopes were experimentally measured. Raman spectra of these mixture gases showed that the useful lines for quantitative analysis are Stokes rotations below 1000 cm−1, with representative lines for H2, HD, D2, HT, DT and T2 being 587, 443, 415, 395, 250 and 200 cm−1 respectively. The absolute Raman intensity ratio was estimated as H2:HD:D2:HT:DT:T2 = 100:58:47:46:36:41. With the laser wavelength of 488 nm, power of 700 mW and using a multiple pass system, the detection limit for H2 was 10 Pa, which was the equivalent of 100 ppm in concentration. As a remote sensing technology, the optical fiber was verified as applicable for transferring the irradiation laser beam.