Radiation Resistance Of Pure-Silica Core Image Guides

A. Utsumi; H. Hayami; H. Tanaka; H. Imai; Yasuyuki Goho

doi:10.1117/12.944922

15 October 1984 Radiation Resistance Of Pure-Silica Core Image Guides

A. Utsumi, H. Hayami, H. Tanaka, H. Imai, Yasuyuki Goho

Proceedings Volume 0506, Fiber Optics in Adverse Environments II; (1984) https://doi.org/10.1117/12.944922
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

Thirteen types of pure-silica core image guides were prepared. They incorporate fibers with varied water content in the core glasses prepared by different fabrication methods, dopants in cladding glasses; structures and dimensions of picture element fibers. Then the image guides were subjected to the tests for influence of each intrinsic factor upon their radiation resistance with varied dose rate of ''Co gamma ray irradiation. It was revealed that pure-silica glass with an adequate amount of OH radicals for the core made by the plasma method and B F-doped glass for the cladding is the most desirable material combination It was proven that radiation resistance improves in proportion to cladding thickness and core diameter. Also it was found that image guides without support layer is more excellent in radiation resistance than those with support layer and that an image guide produced with one of the best materials and irradiated with the dose rate of 2 x 106 R/H. The test showed that the image guide withstands the irradiation of 109 at highest, if irradiated length is as short as 1 m.

Citation Download Citation

A. Utsumi, H. Hayami, H. Tanaka, H. Imai, and Yasuyuki Goho "Radiation Resistance Of Pure-Silica Core Image Guides", Proc. SPIE 0506, Fiber Optics in Adverse Environments II, (15 October 1984); https://doi.org/10.1117/12.944922

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