Combustor deployments of femtosecond laser written fiber Bragg grating arrays for temperature measurements surpassing 1000 °C

Robert B. Walker; Huimin Ding; David Coulas; Stephen J. Mihailov; Marc A. Duchesne; Robin W. Hughes; David J. McCalden; Ryan Burchat; Robert Yandon; Sangsig Yun; Nanthan Ramachandran; Michel Charbonneau

doi:10.1117/12.2263702

18 May 2017 Combustor deployments of femtosecond laser written fiber Bragg grating arrays for temperature measurements surpassing 1000°C

Robert B. Walker, Huimin Ding, David Coulas, Stephen J. Mihailov, Marc A. Duchesne, Robin W. Hughes, David J. McCalden, Ryan Burchat, Robert Yandon, Sangsig Yun, Nanthan Ramachandran, Michel Charbonneau

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Proceedings Volume 10194, Micro- and Nanotechnology Sensors, Systems, and Applications IX; 101941Q (2017) https://doi.org/10.1117/12.2263702
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

Femtosecond Infrared (fs-IR) laser written fiber Bragg gratings (FBGs), have demonstrated great potential for extreme sensing. Such conditions are inherent to advanced power plant technologies and gas turbine engines, under development to reduce greenhouse gas emissions; and the ability to measure temperature gradients in these harsh environments is currently limited by the lack of sensors and controls capable of withstanding the high temperature, pressure and corrosive conditions present. This paper reviews our fabrication and deployment of hundreds of fs-IR written FBGs, for monitoring temperature gradients of an oxy-fuel fluidized bed combustor and an aerospace gas turbine combustor simulator.

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Robert B. Walker, Huimin Ding, David Coulas, Stephen J. Mihailov, Marc A. Duchesne, Robin W. Hughes, David J. McCalden, Ryan Burchat, Robert Yandon, Sangsig Yun, Nanthan Ramachandran, and Michel Charbonneau "Combustor deployments of femtosecond laser written fiber Bragg grating arrays for temperature measurements surpassing 1000°C", Proc. SPIE 10194, Micro- and Nanotechnology Sensors, Systems, and Applications IX, 101941Q (18 May 2017); https://doi.org/10.1117/12.2263702

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