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- Title
Fiber-Optic Bragg Gratings for Temperature and Pressure Measurements in Isotope Production Targets for Nuclear Medicine.
- Authors
Bakaic, Michael; Hanna, Matthew; Hnatovsky, Cyril; Grobnic, Dan; Mihailov, Stephen; Zeisler, S. Stefan; Hoehr, Cornelia
- Abstract
Featured Application: Use of fiber optics to measure temperature and pressure in a target on a medical cyclotron. A Bragg grating inscribed into an inorganic optical fiber was tested in proton and neutron fields up to doses of 472 Gy. Observation showed that radiation had no effect on the performance of the Fiber Bragg Grating (FBG) used as a gauge measuring temperature and pressure. The FBG sensor was subsequently employed to measure the temperature and pressure inside a liquid isotope production target for nuclear medicine. The fiber Bragg grating measured the temperature and pressure of a water target as a 12 MeV proton beam impinged on it in real time and was tested with beam currents of up to 20 µA.
- Subjects
BRAGG gratings; PRESSURE measurement; FIBER Bragg gratings; NUCLEAR medicine; PROTON beams; TEMPERATURE measurements; ISOTOPES; NEUTRONS
- Publication
Applied Sciences (2076-3417), 2020, Vol 10, Issue 13, p4610
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app10134610