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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 10 — Jul. 19, 2010

High-visibility optofluidic Mach–Zehnder interferometer

Genni Testa, Yujian Huang, Pasqualina M. Sarro, Luigi Zeni, and Romeo Bernini  »View Author Affiliations


Optics Letters, Vol. 35, Issue 10, pp. 1584-1586 (2010)
http://dx.doi.org/10.1364/OL.35.001584


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Abstract

A high-visibility integrated optofluidic Mach–Zehnder interferometer based on liquid-core antiresonant reflecting optical waveguides is reported. The device’s geometry has been optimized to minimize the intensity imbalance between the two arms for highly unbalanced Mach–Zehnder configurations. This results in a very compact device with a total length of only 2.5 mm and with required liquid volume of about 0.16 nl . High visibility is demonstrated for two interferometers corresponding to different sensing lengths. The devices have been optically characterized, and the measured interference fringes in the transmitted spectra show good agreement with the theoretical ones.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.6010) Integrated optics : Sensors
(130.3990) Integrated optics : Micro-optical devices

ToC Category:
Integrated Optics

History
Original Manuscript: January 21, 2010
Revised Manuscript: March 22, 2010
Manuscript Accepted: March 29, 2010
Published: May 5, 2010

Virtual Issues
Vol. 5, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Genni Testa, Yujian Huang, Pasqualina M. Sarro, Luigi Zeni, and Romeo Bernini, "High-visibility optofluidic Mach–Zehnder interferometer," Opt. Lett. 35, 1584-1586 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-35-10-1584

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