Fiber-Optic Bragg Gratings for Temperature and Pressure Measurements in Isotope Production Targets for Nuclear Medicine

被引：7

作者：

Bakaic, Michael ^{[1
]}

Hanna, Matthew ^{[2
]}

Hnatovsky, Cyril ^{[3
]}

Grobnic, Dan ^{[3
]}

Mihailov, Stephen ^{[3
]}

Zeisler, S. Stefan ^{[2
]}

Hoehr, Cornelia ^{[2
]}

机构：

[1] Fibos Inc, Toronto, ON M3J 3E5, Canada

[2] TRIUMF, Life Sci Div, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada

[3] Natl Res Council Canada, Secur & Disrupt Technol Res Ctr, 100 Sussex Dr, Ottawa, ON K1A 0R6, Canada

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 13期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Fiber-Bragg Gratings; temperature sensor; radiation hard; isotope production target;

D O I：

10.3390/app10134610

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 mu A.

引用

页数：14

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