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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 16 — Aug. 13, 2004
  • pp: 1894–1896

Microfluidic sensor based on integrated optical hollow waveguides

Stefania Campopiano, Romeo Bernini, Luigi Zeni, and Pasqualina M. Sarro  »View Author Affiliations


Optics Letters, Vol. 29, Issue 16, pp. 1894-1896 (2004)
http://dx.doi.org/10.1364/OL.29.001894


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Abstract

A simple integrated optical refractometric sensor based on hollow-core antiresonant reflecting optical waveguides is proposed. The sensor uses the antiresonant reflecting guidance mechanism and permits one to measure the refractive index of a liquid filling the core by simply monitoring the transmitted spectrum. The device has been made with standard silicon technology, and the experimental results confirm numerical simulations performed in one- and two-dimensional geometry. The sensor exhibits a linear response over a wide measurement range (1.3330–1.4450) and a resolution of 9×10-4 and requires a small analyte volume.

© 2004 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.6010) Integrated optics : Sensors
(230.3120) Optical devices : Integrated optics devices
(230.7380) Optical devices : Waveguides, channeled

Citation
Stefania Campopiano, Romeo Bernini, Luigi Zeni, and Pasqualina M. Sarro, "Microfluidic sensor based on integrated optical hollow waveguides," Opt. Lett. 29, 1894-1896 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-16-1894

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