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Yanguang Yu
Researcher at University of Wollongong
Publications - 184
Citations - 2457
Yanguang Yu is an academic researcher from University of Wollongong. The author has contributed to research in topics: Laser & Self-mixing interferometry. The author has an hindex of 21, co-authored 168 publications receiving 2035 citations. Previous affiliations of Yanguang Yu include University of Pavia & Tianjin University.
Papers
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Measurement of the linewidth enhancement factor of semiconductor lasers based on the optical feedback self-mixing effect
TL;DR: In this article, a method for the measurement of the linewidth enhancement factor of semiconductor laser diodes is presented, based on the interferometric self-mixing effect.
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Self-mixing laser diode velocimetry: application to vibration and velocity measurement
TL;DR: A review of recent experimental and theoretical results concerning laser diode self-mixing velocimetry is presented, showing that this technique can be deployed to measure velocity and vibration of solid targets with an extremely simple optical setup.
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Improving the measurement performance for a self-mixing interferometry-based displacement sensing system
TL;DR: Combining the new algorithms for estimating the laser phase and updating C value, the paper finally presents a novel technique for displacement measurement with improved accuracy performance in contrast to existing techniques.
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Estimating the parameters of semiconductor lasers based on weak optical feedback self-mixing interferometry
TL;DR: In this paper, the authors proposed an approach based on the analysis of the signals observed in an optical feedback self-mixing interferometric system to measure the linewidth enhancement factor /spl alpha/ and the optical feedback level factor C in a semiconductor laser with an external cavity.
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Recovering the absolute phase maps of two fringe patterns with selected frequencies
TL;DR: Compared to existing temporal multiple frequency algorithms, the two frequencies in the proposed algorithm can be high enough and thus enable efficient and accurate recovery of absolute phase maps.