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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 16 — Jun. 1, 2012
  • pp: 3387–3396

Design and numerical simulation of an optofluidic pressure sensor

Majid Ebnali-Heidari, Morteza Mansouri, Saeed Mokhtarian, and Mohammed Kazem Moravvej-Farshi  »View Author Affiliations

Applied Optics, Vol. 51, Issue 16, pp. 3387-3396 (2012)

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We present a numerical design procedure for an all-optical compact sensor by means of integrating the optofluidic switch polymer interferometers to measure the microfluidic air pressure and flow rate. The design is based on a flexible air gap optical cavity that can generate an interference pattern when illuminated by a monochromatic light. The optical interference pattern directly depends on the pressure. In our numerical simulations, we take the effects of fluid flow rate, solid deformation, and the light interference into account. We use the beam propagation method for simulating the optics and the finite element method for simulating the mechanics. The significance of the proposed sensor lies with its low power consumption, compactness, low cost, and short length. This sensor can operate under pressure range of 060±6%Pa at a constant temperature of 20 °C.

© 2012 Optical Society of America

OCIS Codes
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4880) Optical design and fabrication : Optomechanics
(230.3120) Optical devices : Integrated optics devices

ToC Category:
Optical Design and Fabrication

Original Manuscript: November 21, 2011
Revised Manuscript: February 19, 2012
Manuscript Accepted: March 6, 2012
Published: May 30, 2012

Majid Ebnali-Heidari, Morteza Mansouri, Saeed Mokhtarian, and Mohammed Kazem Moravvej-Farshi, "Design and numerical simulation of an optofluidic pressure sensor," Appl. Opt. 51, 3387-3396 (2012)

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