High-sensitivity pressure sensor using a polymer-embedded FBG

Document Type

Article

Publication Date

1-1-2007

Abstract

A new pressure sensor based on fiber Bragg gratings (FBG), is described with high-pressure sensitivity. The sensor is configured by embedding the FBG in a polymer-field aluminum casing with an opening on one side, which is exposed to pressure measurand. The measured pressure response is 0.06 nm/psi that is ∼2700 times higher than the pressure response measured with a bare FBG. The linearity of the designed sensor is also shown to be good at pressures below 50 psi. This sensor has numerous potential applications in the area of low-pressure measurements.

Keywords

Fiber Bragg grating, Fiber sensor, Polymer, Pressure sensor

Publication Title

Microwave and Optical Technology Letters

ISSN

0895-2477

Divisions

fac_eng,PHYSICS

Volume

50

Issue

1

Publisher

John Wiley & Sons

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