Radiation effects in polarization-maintaining fibers

E. Joseph Friebele; Michael E. Gingerich; Louise A. Brambani; Calvin C. Harrington; S. J. Hickey; James R. Onstott

doi:10.1117/12.21976

1 September 1990 Radiation effects in polarization-maintaining fibers

E. Joseph Friebele, Michael E. Gingerich, Louise A. Brambani, Calvin C. Harrington, S. J. Hickey, James R. Onstott

Proceedings Volume 1314, Fibre Optics '90; (1990) https://doi.org/10.1117/12.21976
Event: Fibre Optics '90, 1990, London, United Kingdom

Abstract

The loss induced in PM fibers by low dose rate (less than 1 rad/h) irradiations is evaluated, and the radiation response varies from less than 0.4 to about 6 Db/km-krad, depending on the wavelength of measurement and the fiber. The 'permanent' induced loss determined by fitting the recovery of the induced loss following high-dose-rate exposure to nth-order kinetics is shown to be a valid predictor of the low-dose-rate response; both 0.85- and 1.3-micron PM fibers have been found which show virtually no permanent incremental loss and would therefore appear to be resistant to low-dose-rate radiation environments. In addition, explicit measurements are given for the differential incremental attenuations of light traveling in the two orthogonal polarization axes induced by both steady state Co-60 and pulsed electron irradiations. Significant differential attenuation is only evident at high doses and short times.

Citation Download Citation

E. Joseph Friebele, Michael E. Gingerich, Louise A. Brambani, Calvin C. Harrington, S. J. Hickey, and James R. Onstott "Radiation effects in polarization-maintaining fibers", Proc. SPIE 1314, Fibre Optics '90, (1 September 1990); https://doi.org/10.1117/12.21976

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