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Proceedings Paper

Accurate theoretical prediction for single-mode fiber macrobending loss and bending induced polarization dependent loss
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Paper Abstract

For an all-fiber edge filter used in a rapid wavelength measurement system for optical sensing, a low polarization dependent loss (PDL) is required to ensure high measurement accuracy. The calculation of the bend loss for the TE and TM modes based on scalar approximations results in a discrepancy between the calculated PDLs and measured results. Here a full vectorial finite difference beam propagation method (FV FD-BPM) is used to compute the complex propagation constant and the field distributions of the TE and TM modes in the bending fiber, allowing the accurate calculation of the PDL of bending fiber.

Paper Details

Date Published: 28 April 2008
PDF: 13 pages
Proc. SPIE 7003, Optical Sensors 2008, 70031Y (28 April 2008); doi: 10.1117/12.781282
Show Author Affiliations
Pengfei Wang, Dublin Institute of Technology (Ireland)
Gerald Farrell, Dublin Institute of Technology (Ireland)
Yuliya Semenova, Dublin Institute of Technology (Ireland)
Qian Wang, Dublin Institute of Technology (Ireland)
Agus Muhamad Hatta, Dublin Institute of Technology (Ireland)
Ginu Rajan, Dublin Institute of Technology (Ireland)

Published in SPIE Proceedings Vol. 7003:
Optical Sensors 2008
Francis Berghmans; Patrick P. Meyrueis; Thomas P. Pearsall; Anna Grazia Mignani; Antonello Cutolo, Editor(s)

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