Miniature high-frequency temperature-insensitive fiber optic pressure sensor for gas turbine engine applications

Jiangdong Deng; Shenru Li; Hai Xiao; Wei Huo; Paul Grems Duncan; M. Mclauch; J. Kozak; Anbo Wang; Wing Ng

doi:10.1117/12.335735

11 January 1999 Miniature high-frequency temperature-insensitive fiber optic pressure sensor for gas turbine engine applications

Jiangdong Deng, Shenru Li, Hai Xiao, Wei Huo, Paul Grems Duncan, M. Mclauch, J. Kozak, Anbo Wang, Wing Ng

Author Affiliations +

Proceedings Volume 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors; (1999) https://doi.org/10.1117/12.335735
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

A newly developed fiber optic pressure sensor for gas turbine applications is described in this paper. The sensor is based on Self-Calibrated Interferometric/Intensity-Based fiber optic sensor technologies. In addition to the generic fiber sensor advantages, the new sensor was also shown to have all the distinct advantages of interferometric and intensity-based sensors while their disadvantages are significantly reduced. The sensor has a frequency response of approximately 100 kHz, and can be operate at temperatures up to 700 degrees C. The sensor was tested in simulated flow conditions similar to that found in a gas turbine engine. Excellent agreement was obtained in the measured pressure comparing the fiber-optic sensor to a conventional high frequency, semiconductor based pressure transducer.

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Jiangdong Deng, Shenru Li, Hai Xiao, Wei Huo, Paul Grems Duncan, M. Mclauch, J. Kozak, Anbo Wang, and Wing Ng "Miniature high-frequency temperature-insensitive fiber optic pressure sensor for gas turbine engine applications", Proc. SPIE 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors, (11 January 1999); https://doi.org/10.1117/12.335735

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