Self-mixing interferometry (SMI) is suitable to sense and measure vibrations of amplitudes
ranging from picometers to millimeters at frequencies from sub-Hz to MHz's. As an optical …

Self-mixing interferometry (SMI) is a well-known non-destructive sensing technique that has
been widely applied in both laboratory and engineering applications. In a laser SMI sensing …

We present an overview of the applications of self-mixing interferometer (SMI) to tasks of
interest for mechanical engineering, namely high-resolution measurement of linear …

A self-mixing (SM) micro-interferometer laser displacement sensor coupled with an adaptive
liquid lens (ALL) system is proposed and implemented. This has been made possible by a …

Self-Mixing interferometry (SMI) has been widely used for displacement, vibration and
velocity measurement applications. Many phase unwrapping methods are proposed for high …

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 …

We propose a simple and effective even-power fast algorithm to obtain scalable fringe
precision in self-mixing interference. In this letter, the principle of the even-power fast …

A self-mixing (SM) dual-frequency (DF) laser Doppler velocimeter (LDV)(SM DF-LDV) is
proposed and studied, which integrates the advantages of both the SM-LDV and the DF …

Laser feedback-based self-mixing interferometry (SMI) is a promising technique for
displacement sensing. However, commercial deployment of such sensors is being held back …

Self-mixing (SM) or optical feedback interferometry has been extensively used for high
precision displacement and vibration sensing. However, presence of speckle can …