Implementation of hilbert transform based high-resolution phase unwrapping method for displacement retrieval using laser self mixing interferometry sensor
S Amin - Optics & Laser Technology, 2022 - Elsevier
Laser self-mixing interferometry (SMI) is an attractive sensing scheme due to its compact,
self-align, and cost-effective nature. In this work, an SMI based compute-intensive phase …
self-align, and cost-effective nature. In this work, an SMI based compute-intensive phase …
High resolution laser self-mixing displacement sensor under large variation in optical feedback and speckle
Self-Mixing interferometry (SMI) signal characteristics are highly dependent on both the
operating optical regime and target surface. In this paper, a method is proposed to overcome …
operating optical regime and target surface. In this paper, a method is proposed to overcome …
Spectral processing of self-mixing interferometric signal phase for improved vibration sensing under weak-and moderate-feedback regime
In this paper, spectral processing of laser Self-Mixing (SM) interferometric signal phase has
been carried out allowing better measurement accuracy for harmonic and arbitrarily shaped …
been carried out allowing better measurement accuracy for harmonic and arbitrarily shaped …
Nanometric vibration sensing using spectral processing of laser self-mixing feedback phase
In this paper, a method is proposed to recover displacements with nanometric precision
based on spectral analysis of the feedback phase of self-mixing laser interferometric signal …
based on spectral analysis of the feedback phase of self-mixing laser interferometric signal …
Analysis and implementation of a direct phase unwrapping method for displacement measurement using self-mixing interferometry
Self-mixing or optical feedback interferometry has been widely used for displacement and
velocity measurement applications. For metric information retrieval with<; λ/2 precision …
velocity measurement applications. For metric information retrieval with<; λ/2 precision …
Detection of multimodal fringes for self-mixing-based vibration measurement
Correct detection of interferometric fringes is necessary to enable high-resolution metric
measurements using laser diode (LD)-based self-mixing (SM) interferometry. For noisy …
measurements using laser diode (LD)-based self-mixing (SM) interferometry. For noisy …
Fast and highly accurate phase unwrapping algorithm for displacement retrieval using self-mixing interferometry sensor
Self-Mixing interferometry (SMI) has been widely used for displacement, vibration and
velocity measurement applications. Many phase unwrapping methods are proposed for high …
velocity measurement applications. Many phase unwrapping methods are proposed for high …
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 …
Immediate estimation of feedback factor and linewidth enhancement factor from measured self-mixing signals under moderate or strong regime
CM Ri, CH Kim, YN Oh, SC Kim - Measurement Science and …, 2020 - iopscience.iop.org
Immediate estimation of feedback factor and linewidth enhancement factor from measured
self-mixing signals under moderate or strong regime - IOPscience Skip to content IOP …
self-mixing signals under moderate or strong regime - IOPscience Skip to content IOP …
Sub-λ/2 displacement sensor with nanometric precision based on optical feedback interferometry used as a non-uniform event-based sampling system
In this paper, a method based on the inherent event-based sampling capability of the laser
optical feedback interferometry (OFI) is proposed to recover sub-λ/2 displacement with a …
optical feedback interferometry (OFI) is proposed to recover sub-λ/2 displacement with a …