A data-fitting approach for displacements and vibration measurement using self-mixing interferometers
This paper presents a signal processing approach for vibration measurement using self-mixing interferometer (SMI). Compared to existing approaches, the proposed approach is able to achieve an accuracy of λ/40 which significantly exceeds the accuracy limit associated with conventional simple SMI systems λ/4.
Zhang, Y., Xi, J., Chicharo, J. F. & Yu, Y. (2005). A data-fitting approach for displacements and vibration measurement using self-mixing interferometers. In G. Gupta, S. Mukhopadhyay & C. Messom (Eds.), 1st International Conference on Sensing Technology (pp. 283-286). New Zealand: Institute of Information Sciences and Technology, Massey University.