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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 14 — May. 10, 2013
  • pp: 3420–3427

Fabrication, characterization, and simulation of a cantilever-based airflow sensor integrated with optical fiber

M. Sadegh Cheri, Hamid Latifi, F. Beygi Azar Aghbolagh, O. R. Ranjbar Naeini, Majid Taghavi, and Mohammadamir Ghaderi  »View Author Affiliations


Applied Optics, Vol. 52, Issue 14, pp. 3420-3427 (2013)
http://dx.doi.org/10.1364/AO.52.003420


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Abstract

In this paper, we present the fabrication and packaging of a cantilever-based airflow sensor integrated with optical fiber. The sensor consists of a micro Fabry–Perot (FP) cavity including a fiber and a micro cantilever that is fabricated using the photolithography method. Airflow causes a small deflection of the micro cantilever and changes the cavity length of the FP, which makes the fringe shift. The pressure distribution and velocity streamlines across the cantilever resulted from the airflow in the channel have been simulated by the finite element method. The experimental results demonstrate that the sensor has a linear sensitivity of 190 [fringe shift (pm)] per (l/min) and a minimum detectable airflow change of 0.05(l/min).

© 2013 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 23, 2013
Revised Manuscript: April 8, 2013
Manuscript Accepted: April 13, 2013
Published: May 10, 2013

Citation
M. Sadegh Cheri, Hamid Latifi, F. Beygi Azar Aghbolagh, O. R. Ranjbar Naeini, Majid Taghavi, and Mohammadamir Ghaderi, "Fabrication, characterization, and simulation of a cantilever-based airflow sensor integrated with optical fiber," Appl. Opt. 52, 3420-3427 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-14-3420

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