11 October 2011 Preparation of spherical optical microresonators and their resonance spectra in air and gaseous acetone
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Proceedings Volume 8306, Photonics, Devices, and Systems V; 830605 (2011); doi: 10.1117/12.910786
Event: Photonics Prague 2011, 2011, Prague, Czech Republic
Abstract
This paper deals with the preparation of spherical silica whispering-gallery-mode (WGM) microresonators and with their resonance spectra measured in air and in acetone vapors. Spherical microresonators with a diameter ranging from 320 to 360 micrometers have been prepared by heating the tip of a silica fiber by a hydrogen-oxygen burner. Details of this preparation are shown on spherical and spheroidal microresonators. The prepared microspheres were excited by a fiber taper and their resonance spectra were measured and Q factors estimated. Changes in the resonance spectra of the microspheres due to their contact with acetone vapor heated to 55 °C or with liquid acetone have been observed. These changes are explained by interaction of acetone with silica and by temperature changes of the microspheres.
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Vlastimil Matějec, Filip Todorov, Michal Jelínek, Martin Fibrich, Miroslav Chomát, Vaclav Kubeček, Ivo Barton, Tomas Martan, Daniela Berková, "Preparation of spherical optical microresonators and their resonance spectra in air and gaseous acetone", Proc. SPIE 8306, Photonics, Devices, and Systems V, 830605 (11 October 2011); doi: 10.1117/12.910786; https://doi.org/10.1117/12.910786
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KEYWORDS
Microresonators

Silica

Spherical lenses

Liquids

Resonators

Glasses

Optical fibers

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