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Transient radiation responses of silica-based optical fibers: Influence of modified chemical-vapor deposition process parameters
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10.1063/1.2161826
/content/aip/journal/jap/99/2/10.1063/1.2161826
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/2/10.1063/1.2161826

Figures

Image of FIG. 1.
FIG. 1.

Time-dependent changes of pulsed x-ray radiation-induced attenuation (RIA) in F1A, F2A, and F3A fibers at (a) 1.31 and (b) . The radiation-induced losses were normalized by the transient deposited dose to correct our results from the small fluctuations of the x-ray generator (dose rate , dose range from 0.001 to 0.5 kGy, and room temperature).

Image of FIG. 2.
FIG. 2.

Time-dependent changes of pulsed x-ray radiation-induced attenuation ratio between the fiber pairs (F2A∕F1A) and (F3A∕F2A). The influence of incorporating each codopant (Ge and P) is evaluated at 1.55 and from these RIA ratio values. A RIA ratio lower than 1 indicates a positive influence of the tested parameter on loss levels, whereas a ratio greater than 1 indicates a negative impact.

Image of FIG. 3.
FIG. 3.

Time-dependent changes of pulsed x-ray radiation-induced attenuation ratio between the fiber pairs drawing with different tensions (140 and 20 g) at 1.55 and . The influence of lowering the fiber drawing tension (FDT) is positive for RIA ratio values lower than 1 and negative for ratio values greater than 1.

Image of FIG. 4.
FIG. 4.

Time-dependent changes of pulsed x-ray radiation-induced attenuation ratio between the fiber pairs elaborated from preforms deposited at 2000 and 1600 °C. The influence of lowering the PDT at 1.55 and is positive for ratio values lower than 1 and negative for ratio values greater than 1.

Image of FIG. 5.
FIG. 5.

Luminescence spectra under 488 nm laser light excitation of as-prepared and pulsed-x-ray-irradiated F2A fiber (about one year after irradiation). The two emission spectra are normalized by the Si–O–Si Raman band. See Ref. 17 for complete description of the experimental setup.

Tables

Generic image for table
Table I.

Main characteristics of tested single-mode germanosilicate optical fibers.

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/content/aip/journal/jap/99/2/10.1063/1.2161826
2006-01-26
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Transient radiation responses of silica-based optical fibers: Influence of modified chemical-vapor deposition process parameters
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/2/10.1063/1.2161826
10.1063/1.2161826
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