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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 22 — Nov. 1, 2004
  • pp: 5440–5447

Compact tunable microfluidic interferometer

C. Grillet, P. Domachuk, V. Ta’eed, E. Mägi, J. A. Bolger, B. J. Eggleton, L. E. Rodd, and J. Cooper-White  »View Author Affiliations

Optics Express, Vol. 12, Issue 22, pp. 5440-5447 (2004)

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We demonstrate a compact tunable filter based on a novel microfluidic single beam Mach-Zehnder interferometer. The optical path difference occurs during propagation across a fluid-air interface (meniscus), the inherent mobility of which provides tunability. Optical losses are minimized by optimizing the meniscus shape through surface treatment. Optical spectra are compared to a 3D beam propagation method simulations and good agreement is found. Tunability, low insertion loss and strength of the resonance are well reproduced. The device performance displays a resonance depth of -28 dB and insertion loss maintained at -4 dB.

© 2004 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(130.6010) Integrated optics : Sensors

ToC Category:
Research Papers

Original Manuscript: September 21, 2004
Revised Manuscript: October 21, 2004
Published: November 1, 2004

Christian Grillet, P. Domachuk, V. Ta'eed, E. Mägi, J. Bolger, B. Eggleton, L. Rodd, and J. Cooper-White, "Compact tunable microfluidic interferometer," Opt. Express 12, 5440-5447 (2004)

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