2016
DOI: 10.1088/1674-1056/25/8/084213
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Effect of radiation-induced color centers absorption in optical fibers on fiber optic gyroscope for space application

Abstract: The effects of color centers' absorption on fibers and interferometric fiber optical gyroscopes (IFOGs) are studied in the paper. The irradiation induced attenuation (RIA) spectra of three types of polarization-maintaining fibers (PMFs), i.e., P-doped, Ge-doped, and pure silica, irradiated at 100 Gy and 1000 Gy are measured in a wavelength range from 1100 nm to 1600 nm and decomposed according to the Gaussian model. The relationship of the color centers absorption intensity with radiation dose is investigated … Show more

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Cited by 9 publications
(5 citation statements)
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“…The contribution of OH − absorption defects to RIA at 1550 nm is negligible after fabrication improvement and the RIA at 1550 nm has declined evidently from 27.7 dB/km to 3.0 dB/km. The level of radiation resistance achieved is superior to most commercial Ge-doped single-mode fibers [7,19,20] and conventional PSC fibers [11] at 1550 nm under similar conditions, to the best of our knowledge. Our study provides an explanation of the RIA characteristic of PSC-PCFs based on the unique stack and draw fabrication process, which produces STH absorption defects and the OH − absorption defects.…”
Section: Discussionmentioning
confidence: 63%
See 1 more Smart Citation
“…The contribution of OH − absorption defects to RIA at 1550 nm is negligible after fabrication improvement and the RIA at 1550 nm has declined evidently from 27.7 dB/km to 3.0 dB/km. The level of radiation resistance achieved is superior to most commercial Ge-doped single-mode fibers [7,19,20] and conventional PSC fibers [11] at 1550 nm under similar conditions, to the best of our knowledge. Our study provides an explanation of the RIA characteristic of PSC-PCFs based on the unique stack and draw fabrication process, which produces STH absorption defects and the OH − absorption defects.…”
Section: Discussionmentioning
confidence: 63%
“…A similar system has been reported in Ref. [11]. A supercontinuum white light source (NKT Photonics SuperK compact) with a spectrum from 500 nm to 2400 nm was used.…”
Section: Experiments Setupmentioning
confidence: 99%
“…The radiation-induced energy levels in the Si band-gap give rise to the following processes: (i) enhanced thermal generation, (ii) enhanced recombination, (iii) enhanced temporary trapping, (iv) reduced carrier concentration. [19][20][21][22][23] The primary effect produced by process (i) is an increase in dark current, which is induced hot pixels. Process (ii) causes effects such as reduced output.…”
Section: Fixed-pattern Noise Under Illuminationmentioning
confidence: 99%
“…The created color centers change the optical absorption spectrum, [11][12][13][14][15] modifying the refractive index of the fiber Bragg grating. [1,6,16] In recent years, among several studies investigating the space radiation effects on optical fibers, [17][18][19] few paid attention to the radiation damage to fiber Bragg gratings, and none investigated the recovery from such damage.…”
Section: Introductionmentioning
confidence: 99%