Unique characteristics of surface relief fiber Bragg gratings and their application to multi axis sensing

Tyson L. Lowder; Rich S. Gibson; Kevin H. Smith; Richard H. Selfridge; Stephen M. Schultz

doi:10.1117/12.656738

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30 March 2006 Unique characteristics of surface relief fiber Bragg gratings and their application to multi axis sensing

Tyson L. Lowder, Rich S. Gibson, Kevin H. Smith, Richard H. Selfridge, Stephen M. Schultz

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Proceedings Volume 6167, Smart Structures and Materials 2006: Smart Sensor Monitoring Systems and Applications; 616709 (2006) https://doi.org/10.1117/12.656738
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

We recently reported on a new fiber Bragg grating etched into the flat surface of a D-fiber and its potential use as a high temperature sensor. Since then we have investigated more in depth many of the characteristics that are unique due to the surface relief nature of the grating. In this paper we show that a surface relief fiber Bragg grating exhibits some significant advantages when compared to standard fiber Bragg gratings including: high temperature operation, polarization selectivity, and the ability for multi axis strain sensing. We also show the uniqueness of these gratings for bend sensing with two degrees of freedom.

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Tyson L. Lowder, Rich S. Gibson, Kevin H. Smith, Richard H. Selfridge, and Stephen M. Schultz "Unique characteristics of surface relief fiber Bragg gratings and their application to multi axis sensing", Proc. SPIE 6167, Smart Structures and Materials 2006: Smart Sensor Monitoring Systems and Applications, 616709 (30 March 2006); https://doi.org/10.1117/12.656738

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