Referenced Items are not available for this document.
We report a simple, cost-efficient fiber-optic sensor for monitoring pressure fluctuations in ON/OFF state. The working principle of the proposed sensor is based on light intensity modulation of a reflected signal when external pressure fluctuations cause coupling optical signal variation between two multimode optical fibers placed side by side in front of a plane reflecting mirror attached on a pressure-sensitive diaphragm. The proposed sensing technique is found to be suitable for monitoring both periodic and nonperiodic forms of pressure variations in ON/OFF state. With our proposed sensor design, pressure variation as small as 1.5×10-5 N/cm2 can be measured with accuracy and repeatability.
Published in:
Sensors Journal, IEEE
(Volume:13
,
Issue:
4
)
Date of Publication: April 2013
- Page(s):
- 1148 - 1152
- ISSN :
- 1530-437X
- INSPEC Accession Number:
- 13284862
- Digital Object Identifier :
- 10.1109/JSEN.2012.2227711
- Product Type:
- Journals & Magazines
- Date of Publication :
- 16 November 2012
- Date of Current Version :
- 06 February 2013
- Issue Date :
- April 2013
- Sponsored by :
- IEEE Sensors Council
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