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https://hdl.handle.net/2440/69052
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Type: | Journal article |
Title: | Highly efficient excitation and detection of whispering gallery modes in a dye-doped microsphere using a microstructured optical fiber |
Author: | François, A. Rowland, K. Monro, T. |
Citation: | Applied Physics Letters, 2011; 99(14):041111-1-041111-3 |
Publisher: | Amer Inst Physics |
Issue Date: | 2011 |
ISSN: | 0003-6951 1077-3118 |
Statement of Responsibility: | Alexandre François, Kristopher J. Rowland, and Tanya M. Monro |
Abstract: | <jats:p>A technique for the excitation of whispering gallery modes (WGMs) has been demonstrated using a dye-doped microsphere positioned onto the tip of a suspended core microstructured optical fiber. With this configuration, we have shown that both the excitation and collection efficiency of the WGMs modulated fluorescence spectra of the dye are greatly improved compared to a more conventional excitation scheme; an overall efficiency increase by a factor of 200 is demonstrated. It is also shown that positioning the resonator onto the fiber tip does not impact its sensitivity, providing a compact and robust architecture for applications such as localized in-vivo/vitro biosensing.</jats:p> |
Keywords: | Dyes fibre optic sensors fluorescence, holey fibres optical resonators whispering gallery modes |
Rights: | Copyright 2011 American Institute of Physics. |
DOI: | 10.1063/1.3648109 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1063/1.3648109 |
Appears in Collections: | Aurora harvest Chemistry publications |
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