A micro-monolithic optical pressure sensor for high-pressure hydraulic fluid in transportation

M. Guilhem; P. Meyrueis

doi:10.1117/12.852742

20 April 2010 A micro-monolithic optical pressure sensor for high-pressure hydraulic fluid in transportation

M. Guilhem, P. Meyrueis

Proceedings Volume 7675, Photonics in the Transportation Industry: Auto to Aerospace III; 76750I (2010) https://doi.org/10.1117/12.852742
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

We present a simple concept for a low-cost pressure transducer. The transducer is a polarimetric device consisting of a pressure sensitive dielectric material in-between polarizing optics. The pressure on the sensitive material creates a stress-induced birefringence which is detected through a change in state of polarization. We show the theoretical behaviour of this device and the various ways of optimizing its sensitivity.

Citation Download Citation

M. Guilhem and P. Meyrueis "A micro-monolithic optical pressure sensor for high-pressure hydraulic fluid in transportation", Proc. SPIE 7675, Photonics in the Transportation Industry: Auto to Aerospace III, 76750I (20 April 2010); https://doi.org/10.1117/12.852742

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