Radiation Effects on Ytterbium- and Ytterbium/Erbium-Doped Double-Clad Optical Fibers

Sébastien Girard 1 Y. Ouerdane 2 B. Tortech 2 C. Marcandella 1 T. Robin 3 B. Cadier 3 J. Baggio 1 P. Paillet 4 V. Ferlet-Cavrois 4 A. Boukenter 2 J.-P. Meunier 2 J. R. Schwank 5 M. R. Shaneyfelt 5 P. E. Dodd 5 E. W. Blackmore 6
1 DCRE CEA - Département de Conception et Réalisation des Experimentations, CEA-DIF
2 LHC - Laboratoire Hubert Curien [Saint Etienne]
3 IxFiber - IxFiber SAS
4 DAM/DIF - DAM Île-de-France
5 SNL - Sandia National Laboratories [Albuquerque]
6 TRIUMF [Vancouver]
Abstract : We characterize by different spectroscopic techniques the radiation effects on ytterbium-(Yb) and ytterbium/erbium (Yb/Er)-doped optical fibers. Their vulnerability to the environment of outer space is evaluated through passive radiation-induced attenuation (RIA) measurements during and after exposure to 10 keV X-rays, 1 MeV gamma-rays, and 105 MeV protons. These fibers present higher levels of RIA (1000 x) than telecommunication-type fibers. Measured RIA is comparable for gamma-rays and protons and is on the order of 1 dB/m at 1.55 mu m after a few tenths of a kilorad. Their host matrix codoped with aluminum (Al) and/or phosphorus (P) is mainly responsible for their enhanced radiation sensitivity. Thanks to the major improvements of the Er-doped glass spectroscopic properties in case of Yb-codoping, Yb/Er-doped fibers appear as very promising candidates for outer space applications. In the infrared part of the spectrum, losses in P-codoped Yb-doped fibers are due to the P-1 center that absorbs around 1.6 mu m and are very detrimental for the operation of Er-codoped devices in a harsh environment. The negative impact of this defect seems reduced in the case of Al and P-codoping.
Keywords : Color centers erbium gamma optical fibers protons radiation effects ytterbium
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Journal articles
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https://hal-ujm.archives-ouvertes.fr/ujm-00457967
Contributor : Youcef Ouerdane <>
Submitted on : Thursday, February 18, 2010 - 7:47:23 PM
Last modification on : Monday, October 15, 2018 - 3:54:02 PM

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CEA | UNIV-ST-ETIENNE | LAHC | IOGS | PARISTECH | DAM

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Sébastien Girard, Y. Ouerdane, B. Tortech, C. Marcandella, T. Robin, et al.. Radiation Effects on Ytterbium- and Ytterbium/Erbium-Doped Double-Clad Optical Fibers. IEEE Transactions on Nuclear Science, Institute of Electrical and Electronics Engineers, 2009, 56 (6), pp.3293-3299. ⟨10.1109/TNS.2009.2033999⟩. ⟨ujm-00457967⟩

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