FBG-Embedded Oblong Diaphragms with Extended Dynamic Range

Abstract

This article presents a pressure sensor based on fiber bragg grating (FBG) positioned between two oblong diaphragms. This particular shape is suitable for applications requiring a sensitive (i.e., large area diaphragms) and yet compact assembly of the optical sensor. However, the oblong diaphragm deformation mechanism suffers from an early saturation effect… (More)

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