High-sensitivity temperature-independent differential pressure sensor using fiber Bragg gratings | Zendy

HaoJan Sheng | Zendy; WenFung Liu | Zendy; Kuei-Ru Lin | Zendy; SheauShong Bor | Zendy; MingYue Fu | Zendy

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High-sensitivity temperature-independent differential pressure sensor using fiber Bragg gratings

Author(s) -

HaoJan Sheng,

WenFung Liu,

Kuei-Ru Lin,

SheauShong Bor,

MingYue Fu

Publication year - 2008

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.016013

Subject(s) - fiber bragg grating , materials science , sensitivity (control systems) , optics , fiber optic sensor , pressure sensor , phosfos , optical fiber , differential pressure , pressure measurement , refractive index , temperature measurement , differential (mechanical device) , optoelectronics , polarization maintaining optical fiber , physics , electronic engineering , quantum mechanics , meteorology , mechanics , thermodynamics , engineering

By means of novel packaged-structure design, a temperature independent differential pressure sensor based on fiber Bragg gratings with high sensitivity is experimentally demonstrated. The differential pressure sensitivity of the sensor can reach to 821.87nm/MPa. This device can also be used for simultaneous measurement of temperature and differential pressure, which is suitable for applications involving measurement of liquid level, liquid density or specific gravity detection.

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