A fast real-time demodulation method based on the coarsely sampled spectrum is proposed for transient signals of fiber optic extrinsic Fabry-Perot interferometers (EFPI) sensors. A high-power amplifie...
A high-precision cross-correlation cavity length demodulation method for fiber-optic Fabry–Perot (F–P) sensors based on two different wavelength
Traditional demodulation techniques for F-P cavity suffer from low speed, high cost, and poor robustness. Here, we propose a novel ultrahigh-speed demodulation system for F-P interferometric
The feasibility and superiority of the algorithm were verified through MATLAB simulations and conducted demodulation experiments using fiber optic MEMS Fabry Perot sensors.
In this paper, a high-speed spectrum demodulation method with a large dynamic range for fiber-optic F-P sensor is presented. Through fast wavelength scanning of the DBR laser, the
A high-precision cross-correlation cavity length demodulation method for fiber-optic Fabry–Perot (F–P) sensors based on two different wavelength superluminescent diodes (SLDs) was
Fiber-optic Fabry–Perot (F-P) sensors are commonly demodulated using spectral interferometric techniques to measure the optical path difference (OPD). However, spurious jumps in
In this article, we proposed an approach of strain demodulation using a fiber-optic Fabry-Perot (FP) sensor based on Gramian angle field (GAF) algorithm and deep learning with sparse sampling points.
Then, the types and basic sensing principles of optical fiber Fabry-Perot sensors are introduced and the research progress of demodulation methods for optical fiber Fabry-Perot...
An ultrahigh-speed phase demodulation system was designed for the Fabry–Perot (F–P) interferometric sensor based on fiber array parallel spectral detection. A high-power amplified
In response to the rapid demodulation requirements of optical fiber Fabry-Perot sensors for high-frequency parameter measurements, an instantaneous cavity length demodulation method
A fast real-time demodulation method based on the coarsely sampled spectrum is proposed for transient signals of fiber optic extrinsic Fabry-Perot interferometers (EFPI) sensors.
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