Evaluation of coupling losses in hollow-core photonic crystal fibres

J. P. Carvalho; F. Magalhães; O. V. Ivanov; O. Frazão; F. M. Araújo; L. A. Ferreira; J. L. Santos

doi:10.1117/12.738662

2 July 2007 Evaluation of coupling losses in hollow-core photonic crystal fibres

J. P. Carvalho, F. Magalhães, O. V. Ivanov, O. Frazão, F. M. Araújo, L. A. Ferreira, J. L. Santos

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 66191V (2007) https://doi.org/10.1117/12.738662
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

Hollow-core photonic crystal fibres have a high potential for gas sensing applications, since large light-gas interaction lengths can be effectively attained. Nevertheless, in order to enhance effective diffusion of gas into the fibre hollow-core, multi-coupling gaps are needed, which raise coupling loss issues that must be evaluated prior to the development of practical systems. In this communication we present a study on the coupling losses dependence on lateral and axial gap misalignment for single-mode fibre and two different types of hollow-core photonic crystal fibres. In addition, experimental results on the splicing of these fibres are also presented.

Citation Download Citation

J. P. Carvalho, F. Magalhães, O. V. Ivanov, O. Frazão, F. M. Araújo, L. A. Ferreira, and J. L. Santos "Evaluation of coupling losses in hollow-core photonic crystal fibres", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66191V (2 July 2007); https://doi.org/10.1117/12.738662

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