Effects of minor additives on the radiation response behavior of high silica glass single-mode fibers

R. Sen; M. C. Paul; S. K. Bhadra; K. Dasgupta; T. Bandyopadhyay

doi:10.1117/12.347979

28 April 1999 Effects of minor additives on the radiation response behavior of high silica glass single-mode fibers

R. Sen, M. C. Paul, S. K. Bhadra, K. Dasgupta, T. Bandyopadhyay

Proceedings Volume 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98; (1999) https://doi.org/10.1117/12.347979
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, 1998, New Delhi, India

Abstract

Using modified chemical vapor deposition (MCVD) process and the solution doping technique germania doped single mode fibers with additives of Ce, Pb, Al, Y, Er and Nd in concentration of 1000 - 2000 ppm either singly or in combination were fabricated in long lengths. The fibers were exposed to gamma radiation from ⁶⁰Co source at a dose rate of 300 - 400 rad/min for a total cumulative dose of 8 - 10 kilo rads at ambient temperature with on-line recording of the induced loss at 1300 nm. It was observed that the presence of minor quantities of dopants considerably influences the loss characteristics of the fibers recording highest radiation sensitivity in Nd doped ones while the co-doped fibers with Al+Y, Al+Pb and Al+Er have close range of sensitivity around 0.01 dB/Km.Rad.

Citation Download Citation

R. Sen, M. C. Paul, S. K. Bhadra, K. Dasgupta, and T. Bandyopadhyay "Effects of minor additives on the radiation response behavior of high silica glass single-mode fibers", Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); https://doi.org/10.1117/12.347979

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