Mode attenuation in microstructured optical fibers with absorbing coating

The characteristics of leaky modes in microstructured fibers with finite-thickness absorbing coatings are studied theoretically and experimentally. It is shown that, if the thickness of the coating is constant, the fiber has a quasi-periodic transmission spectrum. The period and depth of modulation...

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Bibliographic Details
Published in:Technical physics 2009-06, Vol.54 (6), p.865-873
Main Authors: Sotsky, A. B., Sotskaya, L. I., Minkovich, V. P., Monzon-Hernandez, D.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Optics
Physics
Physics and Astronomy
Quantum Electronics
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Summary:The characteristics of leaky modes in microstructured fibers with finite-thickness absorbing coatings are studied theoretically and experimentally. It is shown that, if the thickness of the coating is constant, the fiber has a quasi-periodic transmission spectrum. The period and depth of modulation of the spectrum are determined by resonance coupling between the modes of the fiber and coating. Since the constants of mode propagation in the coating are very sensitive to environmental parameters, the discovered effect seems to be promising for sensor applications.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784209060152