2012
DOI: 10.4236/ampc.2012.24b031
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Evaluation of UV Optical Fibers Behavior under Neutron Irradiation

Abstract: Degradation of UV transmitting optical fibers under nuclear reactor neutron exposure is reported. Four type of optical fibers (solarization resistant, H 2-loaded; UV transmission standard OH; UV enhanced transmission, high OH, H 2-loaded; high OH, deep UV enhanced) were exposed to neutron fluences up to 4 x 10 17 n/cm 2. The optical transmission was measured off-line over the 200 nm-900 nm spectral range and the build-up of color centers was monitored.

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Cited by 6 publications
(2 citation statements)
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“…The instrument used in UV-Visible spectrometry is called UV-Vis spectrophotometer and quantifies the absorbance value (it measures the light intensity that passes through a sample and compares it with the light intensity before passing through the sample). The spectrophotometer basic parts are: (i) light source (incandescent bulb for visible wavelengths and/or deuterium arc lamp for ultraviolet wavelengths), that altogether cover usually the spectra between 200 nm and 800 nm; (ii) sample holder (Bosch and Sanchez, 2013); (iii) a diffraction grid or monochromator to separate different wavelengths (Ojeda and Rojas, 2009); (iv) photodiodes as detectors, used with the monochromators, which filter the light so that a single wavelength reaches the detector in order to improve the sensitivity of measurements of absorbance (Sporea and Sporea, 2005;Girard et al, 2011;Sporea et al, 2012). In fact, developments in optics and electronics in recent years have enabled the UV-Vis spectrometry mixture or joining.…”
Section: On-line Uv-vis Equipmentmentioning
confidence: 99%
See 1 more Smart Citation
“…The instrument used in UV-Visible spectrometry is called UV-Vis spectrophotometer and quantifies the absorbance value (it measures the light intensity that passes through a sample and compares it with the light intensity before passing through the sample). The spectrophotometer basic parts are: (i) light source (incandescent bulb for visible wavelengths and/or deuterium arc lamp for ultraviolet wavelengths), that altogether cover usually the spectra between 200 nm and 800 nm; (ii) sample holder (Bosch and Sanchez, 2013); (iii) a diffraction grid or monochromator to separate different wavelengths (Ojeda and Rojas, 2009); (iv) photodiodes as detectors, used with the monochromators, which filter the light so that a single wavelength reaches the detector in order to improve the sensitivity of measurements of absorbance (Sporea and Sporea, 2005;Girard et al, 2011;Sporea et al, 2012). In fact, developments in optics and electronics in recent years have enabled the UV-Vis spectrometry mixture or joining.…”
Section: On-line Uv-vis Equipmentmentioning
confidence: 99%
“…UV-Vis probes are on-line submersible probes of approximately 65 cm length and 44 mm of diameter, which record the attenuation of light called absorbance quasi-continuously (one signal per minute) and provide a single absorbance value for each measured wavelength in a predefined spectrum per time step Sporea and Sporea, 2005;Girard et al, 2011;Sporea et al, 2012). These probes record the absorbances from both UV (wavelengths from 200 nm to 400 nm) and visible (wavelengths from 400 nm to 750 nm) ranges using a xenon lamp with intervals of 2.5 nm .…”
Section: Introductionmentioning
confidence: 99%