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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 12 — Jun. 15, 2010
  • pp: 2037–2039

Magnetorheological polydimethylsiloxane micro-optical resonator

Tindaro Ioppolo and M. Volkan Ötügen  »View Author Affiliations

Optics Letters, Vol. 35, Issue 12, pp. 2037-2039 (2010)

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We investigate the possibility of using magnetorheological polydimethylsiloxane (MR-PDMS) spheres as micro- optical resonators. In particular, the effect of a magnetic field on the whispering gallery modes (WGM) of these resonators is studied. The applied field induces mechanical deformation, causing shifts in the WGM. The microspheres are made of PDMS with embedded magnetically polarizable particles. An analysis is carried out to estimate the WGM shifts induced by an external magnetic field. An experiment is also carried out to demonstrate the magnetic field-induced WGM shifts in an MR-PDMS microsphere. The results indicate that MR-PDMS microspheres can be used as high-Q-factor tunable optical cavities with potential applications in sensing.

© 2010 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(230.0230) Optical devices : Optical devices
(350.0350) Other areas of optics : Other areas of optics

ToC Category:
Optical Devices

Original Manuscript: April 5, 2010
Revised Manuscript: May 18, 2010
Manuscript Accepted: May 21, 2010
Published: June 9, 2010

Tindaro Ioppolo and M. Volkan Ötügen, "Magnetorheological polydimethylsiloxane micro-optical resonator," Opt. Lett. 35, 2037-2039 (2010)

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