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Lin, G, Qian, B, Oručević, F, Candela, Y, Jager, J-B, Cai, Z, Lefèvre-Seguin, V and Hare, J (2010) Excitation mapping of whispering gallery modes in silica microcavities. Optics Letters, 35 (4). pp. 583-585.
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Official URL: http://dx.doi.org/10.1364/OL.35.000583
Abstract
We report the direct observation of the electromagnetic-field distribution of whispering gallery modes in silica microcavities (spheres and toroids). It is revealed by their excitation efficiency with a tapered fiber coupler swept along the meridian. The originality of this method lies in the use of the coupler itself for the near-field mapping, eliminating the need of additional tools used in previous work. This method is successfully applied to microspheres and microtoroids.
Item Type: | Article |
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Schools and Departments: | School of Mathematical and Physical Sciences > Physics and Astronomy |
Depositing User: | Fedja Orucevic |
Date Deposited: | 06 Feb 2012 19:44 |
Last Modified: | 06 Jun 2019 09:08 |
URI: | http://sro.sussex.ac.uk/id/eprint/21990 |