Abstract

Closed-form analytical expressions and normalized charts provide the conditions for the maximum sensitivity of transverse electric (TE) and transverse magnetic (TM) evanescent-wave step-index waveguide sensors. The analysis covers both cases where the measurand is homogeneously distributed in the semi-infinite waveguide cover, and where it is an ultrathin film at the waveguide-cover interface.

[IEEE ]

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References

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  1. O. Parriaux and P. Dierauer, "Normalized expressions for the optical sensitivity evanescent wave sensors," Opt. Lett., vol. 19, pp. 508-510, 1994.
  2. O. Parriaux, V. A. Sychugov, and A. V. Tishchenko, "Coupling gratings as waveguide functional elements," Pure Appl. Opt., vol. 5, pp. 453-469, 1996.

Appl. Opt.

O. Parriaux, V. A. Sychugov, and A. V. Tishchenko, "Coupling gratings as waveguide functional elements," Pure Appl. Opt., vol. 5, pp. 453-469, 1996.

Opt. Lett.

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