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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 10 — Oct. 1, 2007
  • pp: 2721–2726

Pressure tuning of whispering gallery mode resonators

Tindaro Ioppolo and M. Volkan Ötügen  »View Author Affiliations


JOSA B, Vol. 24, Issue 10, pp. 2721-2726 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002721


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Abstract

The effect of hydrostatic pressure on solid and hollow microsphere optical resonators was investigated. The primary goal was to explore the feasibility of a micro-optical pressure sensor based on whispering gallery modes (WGMs) and to quantify the deleterious effect of environmental pressure changes on other WGM-based sensors. Expressions were developed for WGM shifts due to changes in hydrostatic pressure of the environment surrounding the spherical resonators. These expressions were validated through experiments in which the pressure-induced WGM shifts of hollow polymethyl methacrylate microspheres were monitored. The effect of atmospheric pressure variations on silica resonators is negligible, but hydrostatic pressure may be effective in the optical tuning of hollow polymer spheres.

© 2007 Optical Society of America

OCIS Codes
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(130.6010) Integrated optics : Sensors
(120.5475) Instrumentation, measurement, and metrology : Pressure measurement
(120.4880) Instrumentation, measurement, and metrology : Optomechanics

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: May 26, 2007
Manuscript Accepted: July 1, 2007
Published: September 24, 2007

Citation
Tindaro Ioppolo and M. Volkan Ötügen, "Pressure tuning of whispering gallery mode resonators," J. Opt. Soc. Am. B 24, 2721-2726 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-10-2721

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