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High radiation hardness of a hollow core photonic bandgap fibre

 
: Henschel, H.; Kuhnhenn, J.; Weinand, U.

:
Postprint urn:nbn:de:0011-n-656810 (1.3 MByte PDF)
MD5 Fingerprint: 345162e2606168f936b4545f50bd4f54
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Erstellt am: 2.10.2010


Institute of Electrical and Electronics Engineers -IEEE-:
8th European Conference on Radiation and its Effects on Components and systems, RADECS 2005. Proceedings : Le Cap d'Agde, France, 19-23 Sept. 2005
New York, NY: IEEE, 2006
ISBN: 978-0-7803-9502-2
S.LN4/1-LN4/4
European Conference on Radiation and its Effects on Components and Systems (RADECS) <8, 2005, Le Cap d'Adge, France>
Englisch
Konferenzbeitrag, Elektronische Publikation
Fraunhofer INT ()
hollow core fiber; ionizing radiation; optical fiber; radiation induced attenuation

Abstract
A 19-cell hollow core photonic bandgap fiber with a core diameter of 20 µm and an attenuation minimum of about 11dB/km at 1590 nm was exposed to continuous 60Co gamma radiation and pulsed electrons up to dose values of 10 Exp4 Gy and 100 Gy, respectively. The attenuation increase during continuous or after pulsed irradiation was at least 30 times or 100 times lower, respectively, than observed with the best conventional single-mode fibers. Furthermore a slight reduction of the width of the transmission band after a total gamma dose of 1.4 × 10 Exp5 Gy was observed.

: http://publica.fraunhofer.de/dokumente/N-65681.html