Integrated optical differential pressure transducers achieved using thin buckled silica membranes and direct UV written planar Bragg gratings


Holmes, Christopher, Gates, James C. and Smith, P.G.R. (2011) Integrated optical differential pressure transducers achieved using thin buckled silica membranes and direct UV written planar Bragg gratings. Sensors and Actuators A: Physical, 168, (1), 14-21. (doi:10.1016/j.sna.2011.03.030).

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Description/Abstract

Direct UV written differential pressure sensors have been fabricated in a silica-on-silicon platform. The reported components achieve physical sensitivity through actuating planar Bragg gratings defined within a thin (<40 μm) silica membrane. The optimised transducer exploits the condition of static membrane buckling to resolve both positive and negative pressure differentials, either side of the membrane. The fabricated device has demonstrated operation over a 202 kPa range with a 0.36 kPa resolution

Item Type: Article
ISSNs: 0924-4247
Related URLs:
Keywords: direct uv writing, bragg gratings, silica-on-silicon, integrated optics, membrane, pressure sensing
Subjects: Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
University Structure - Pre August 2011 > School of Physics and Astronomy
ePrint ID: 191181
Date Deposited: 17 Jun 2011 10:31
Last Modified: 27 Mar 2014 19:43
URI: http://eprints.soton.ac.uk/id/eprint/191181

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