AL Arriaga, F Bony, T Bosch - IEEE Sensors Journal, 2015 - ieeexplore.ieee.org
This paper presents a general displacement reconstruction algorithm for sensors based on self-mixing (SM) interferometry suitable to work at different optical feedback conditions. The …
A Ehtesham, U Zabit, OD Bernal, G Raja… - IEEE sensors …, 2017 - ieeexplore.ieee.org
Self-mixing or optical feedback interferometry has been widely used for displacement and velocity measurement applications. For metric information retrieval with<; λ/2 precision …
M Usman, U Zabit, OD Bernal, G Raja… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Correct detection of interferometric fringes is necessary to enable high-resolution metric measurements using laser diode (LD)-based self-mixing (SM) interferometry. For noisy …
U Zabit, OD Bernal, T Bosch - IEEE Sensors Journal, 2012 - ieeexplore.ieee.org
Laser self-mixing (SM) sensors are successfully used to measure displacement in the absence of speckle. However, speckle deforms the SM signal rendering it unusable for …
AL Arriaga, F Bony, T Bosch - Applied optics, 2014 - opg.optica.org
A robust phase measurement method to detect self-mixing signals from rough surface targets is addressed. Using the Hilbert transform to create the analytic signal of the …
OD Bernal, HC Seat, U Zabit, F Surre… - IEEE sensors …, 2016 - ieeexplore.ieee.org
An innovative signal processing method based on custom-made wavelet transform (WT) is presented for robust detection of fringes contained in the interferometric signal of self-mixing …
H Liu, Y You, S Li, D He, J Sun, J Wang, D Hou - Photonics, 2023 - mdpi.com
This article proposes an improved wavelet threshold denoising for laser self-mixing interference signals. The improved wavelet threshold function exhibits smoothness and …
F Lin, M Ali, Y Tan, Z Su, H Wong - Journal of Manufacturing Processes, 2023 - Elsevier
Abstract Fused Deposition Modelling (FDM) is affected by various factors such as process parameters during the layer-by-layer printing process, and the parts will have serious …
A self-mixing laser diode vibrometer including an adaptive optical element in the form of a liquid lens (LL) has been implemented and its benefits demonstrated. The LL arrangement …