Journal
SENSOR LETTERS
Volume 9, Issue 6, Pages 2279-2282Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/sl.2011.1813
Keywords
Bottle Microresonators; Preparation; Resonance Properties
Funding
- Czech Science Foundation [102/09/1763]
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The paper deals with the preparation, analysis of optical resonant properties and characterization of whispering-gallery-mode (WGM) bottle microresonators. These microresonators were prepared by a technique based on controlled tapering of a standard optical fiber with a focused beam of a CO2 laser. Resonant wavelengths and field distributions of whispering-gallery modes in the prepared microresonators were calculated numerically. The microresonators were excited by a laser diode using the evanescent field of a coupling element, namely a fiber taper. WGM resonances were determined from transmission spectra of the fiber taper. The prepared microresonators are intended for chemical detection purposes.
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