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Proceedings Paper

Origin of coupling to antisymmetric cladding modes in arc-induced long-period fiber gratings
Author(s): O. V. Ivanov; P. Caldas; G. Rego
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Paper Abstract

We study the origin of antisymmetric perturbation of the fiber in arc-induced long-period gratings that couple the core mode into the antisymmetric cladding modes. We demonstrate that this perturbation is caused by a temperature gradient in the fiber, which is induced, in turn, by a temperature gradient in the arc discharge.

Paper Details

Date Published: 2 July 2007
PDF: 4 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66190X (2 July 2007); doi: 10.1117/12.738367
Show Author Affiliations
O. V. Ivanov, INESC Porto (Portugal)
P. Caldas, INESC Porto (Portugal)
Instituto Politécnico de Viana de Castelo (Portugal)
G. Rego, INESC Porto (Portugal)
Instituto Politécnico de Viana de Castelo (Portugal)


Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors

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