Gamma-Ray To Cerenkov-Light Conversion Efficiency For Pure-Silica-Core Optical Fibers

B. L. Pruett; R. T. Peterson; D. E. Smith; L. D. Looney; R. N. Shelton Jr.

doi:10.1117/12.944897

15 October 1984 Gamma-Ray To Cerenkov-Light Conversion Efficiency For Pure-Silica-Core Optical Fibers

B. L. Pruett, R. T. Peterson, D. E. Smith, L. D. Looney, R. N. Shelton Jr.

Proceedings Volume 0506, Fiber Optics in Adverse Environments II; (1984) https://doi.org/10.1117/12.944897
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

We have determined experimentally the absolute gamma-ray to Cerenkov-light conversion efficiency for pure-silica-core optical fibers in the vicinity of metallic Compton-converter slabs. To measure the energy dependence of this process, we used 60Co and 24Na radiation sources. The results show how the conversion efficiency varies with Compton-converter material, thickness, angle of the fiber, and fiber-converter distance. We also performed computer calculations of conversion efficiency. This method employs an electron-photon transport code named SANDYL together with analytical calculations of Cerenkov-light generation. We compare the results of these calculations with experimental results.

Citation Download Citation

B. L. Pruett, R. T. Peterson, D. E. Smith, L. D. Looney, and R. N. Shelton Jr. "Gamma-Ray To Cerenkov-Light Conversion Efficiency For Pure-Silica-Core Optical Fibers", Proc. SPIE 0506, Fiber Optics in Adverse Environments II, (15 October 1984); https://doi.org/10.1117/12.944897

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