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. 2009 Jun 16;9(6):4751–4765. doi: 10.3390/s90604751

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© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 9. — Schematic cross-section of a multi (triple) -slot waveguide. n_H, n_B and n_L are the refractive indexes of the rails, top cladding fluid (sensing region) and bottom cladding layer, respectively, such as n_H > n_B, n_L.