Fiber ringdown-beat pressure sensors

Haiyan Chen; Qing Wang; Tuomo von Lerber; Seppo Honkanen; Franko Kueppers

doi:10.1117/12.771132

26 April 2008 Fiber ringdown-beat pressure sensors

Haiyan Chen, Qing Wang, Tuomo von Lerber, Seppo Honkanen, Franko Kueppers

Proceedings Volume 7003, Optical Sensors 2008; 70031J (2008) https://doi.org/10.1117/12.771132
Event: SPIE Photonics Europe, 2008, Strasbourg, France

Abstract

In this paper, we propose and experimentally demonstrate a pressure sensor based on birefringent single mode fiber FP cavity using optical heterodyne. The proof of concept device consists of a light source, a polarizer controller, a modulator, a RF generator, a single mode fiber Fabry-Perot cavity, a strain inspector, an erbium doped fiber amplifier, a filter, a polarizer, an optical spectrum analyzer, and a digital communication analyzer. The dynamic range of the proposed sensor is explored. The results demonstrate the new concept of fiber pressure sensors and the technical feasibility for pressure measurements.

Citation Download Citation

Haiyan Chen, Qing Wang, Tuomo von Lerber, Seppo Honkanen, and Franko Kueppers "Fiber ringdown-beat pressure sensors", Proc. SPIE 7003, Optical Sensors 2008, 70031J (26 April 2008); https://doi.org/10.1117/12.771132

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