Adaptive transition detection algorithm for a self-mixing displacement sensor
A new algorithm for self-mixing (SM) sensors has been developed to perform displacement
measurements. It is able to differentiate between the different SM regimes (very weak, weak …
measurements. It is able to differentiate between the different SM regimes (very weak, weak …
Robust detection of non-regular interferometric fringes from a self-mixing displacement sensor using bi-wavelet transform
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 …
presented for robust detection of fringes contained in the interferometric signal of self-mixing …
Classification of laser self-mixing interferometric signal under moderate feedback
This paper presents a different approach to classify self-mixing (SM) signals operating in the
moderate feedback regime. A total of six distinct classes of SM signals can be defined based …
moderate feedback regime. A total of six distinct classes of SM signals can be defined based …
Simultaneous measurement of vibration and parameters of a semiconductor laser using self-mixing interferometry
Laser diode (LD)-based self-mixing interferometry (SMI) is a promising technique for
noncontact sensing and its instrumentation. According to the well-known Lang–Kobayashi …
noncontact sensing and its instrumentation. According to the well-known Lang–Kobayashi …
Improved method for estimation of multiple parameters in self-mixing interferometry
There are two categories of applications for self-mixing interference (SMI)-based sensing:(1)
estimation of parameters associated with a semiconductor laser (SL) and (2) measurement …
estimation of parameters associated with a semiconductor laser (SL) and (2) measurement …
Extracting vibrational parameters from the time-frequency map of a self mixing signal: An approach based on wavelet analysis
The characterization of the time-frequency map that is obtained from wavelet analysis allows
us to view the temporal and spectral components of non-stationary signals simultaneously …
us to view the temporal and spectral components of non-stationary signals simultaneously …
Evaluation method for the optical feedback factor and linewidth enhancement factor using phase discontinuities in self-mixing interferometry signals
CY Ri, CS Kim, GC Ri, JC Kang, CM Pak, JM O - Applied Optics, 2020 - opg.optica.org
Self-mixing interferometry (SMI) is a reliable method that has been applied to measuring
displacements, absolute distances, and velocities of remote targets. Evaluating the optical …
displacements, absolute distances, and velocities of remote targets. Evaluating the optical …
Analysis of self-mixing moderate and strong feedback regimes for mechatronics applications
J El Assad - 2008 - hal.science
In this work, the physical theory of the self-mixing effect is introduced and then a state of the
art of its main applications in the different fields of instrumentation is accomplished. A …
art of its main applications in the different fields of instrumentation is accomplished. A …
Optimisation of the Nelder-Mead simplex method for its implementation in a self-mixing laser displacement sensor
A laser diode self-mixing sensor enabling us to perform displacement measurements under
moderate feedback has been designed with a resolution up to 32 nm. In this paper, we focus …
moderate feedback has been designed with a resolution up to 32 nm. In this paper, we focus …
Analysis and implementation of algorithms for embedded self-mixing displacement sensors design
AL Arriaga - 2014 - theses.hal.science
The interaction between an emitted laser beam and a small portion of backscattered light
from a pointed target that re-enters the laser's cavity, is at the origin of optical feedback …
from a pointed target that re-enters the laser's cavity, is at the origin of optical feedback …