Radiation-Induced Transient Absorption In Optical Fibers

L. D. Looney; G. Turquet de Beauregard; P. B. Lyons; R. E. Kelly

doi:10.1117/12.932424

22 January 1982 Radiation-Induced Transient Absorption In Optical Fibers

L. D. Looney, G. Turquet de Beauregard, P. B. Lyons, R. E. Kelly

Proceedings Volume 0296, Fiber Optics in Adverse Environments I; (1982) https://doi.org/10.1117/12.932424
Event: 25th Annual Technical Symposium, 1981, San Diego, United States

Abstract

Transient absorption in optical fibers has been studied with emphasis on fast absorption components. Radiation damage was induced with a Febetron 706 electron accelerator, modified to deliver an electron pulse width of 1.1 ns. Dye lasers were synchronized to the accelerator to provide a light pulse through the fiber during the radiation pulse. The output light pulse was detected with a biplanar vacuum photodiode. Four scope traces were used on each electron pulse to monitor the Febetron output, the input drive pulse, and two records of the output pulse on two sweep speeds. Detailed data were acquired for times less than 100ons after irradiation. An insulated enclosure was used to vary fiber temperature from -30 C to +250 C. Several fibers were studied with emphasis on ITT T303 PCS fiber. Data were acquired at 600 and 850 nm. Theoretical modeling of the data will be presented.

Citation Download Citation

L. D. Looney, G. Turquet de Beauregard, P. B. Lyons, and R. E. Kelly "Radiation-Induced Transient Absorption In Optical Fibers", Proc. SPIE 0296, Fiber Optics in Adverse Environments I, (22 January 1982); https://doi.org/10.1117/12.932424

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