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Laser-crystal sensor measures strong magnetic fields in challenging environments
Researchers at Sandia National Laboratories have patented a magneto-optical sensor, which uses a rare earth crystal and laser light to measure the strength of intense magnetic fields and electrical currents.
“We think this technology is a pretty major improvement in measuring magnetic fields,” said Israel Owens, a Sandia physicist and co-inventor of the sensor. “We think it’ll be essential especially for research in fusion, high-energy physics, and the power utilities industry. We’re really excited about where things are going.”
J. B. Sun, H. D. Warren
Nuclear Technology | Volume 36 | Number 3 | December 1977 | Pages 249-261
Technical Paper | Reactor | doi.org/10.13182/NT77-A31939
Articles are hosted by Taylor and Francis Online.
To determine the accuracy of the neutron transport computer code used to predict 16N production rates, data on 16O(n, p)16N reaction rates were obtained by performing an 16O activation experiment. Measured absolute 16N production rates are compared to the calculated data. The comparison indicates that calculations using ENDF/B-II data consistently overestimate 16N production rates by a factor that ranges from 1.06 to 2.00. Good agreement between measurements and ENDF/B-IV calculations reveals that the latest version of the nuclear data used in the code is remarkably improved over previous versions.
