In this retrospective compendium, we attempt to draw a “fil rouge” along fifteen years of our
research in the field of optical feedback interferometry aimed at guiding the readers to the …

Optical rangefinders based on Self-Mixing Interferometry are widely described in literature,
but not yet on the market as commercial instruments. The main reason is that it is relatively …

Although new affordable high-power laser technologies enable many processing
applications in science and industry, depth control remains a serious technical challenge. In …

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 …

In this work a method based on self-mixing interferometry (SMI) is presented for probing the
concentration of plasma plumes induced by multi-pulse laser ablation. An analytical model …

A detailed study of the influence of the pulse duration, from the femtosecond to the
nanosecond regime, on the evolution of the hole shape and depth during percussion drilling …

Self-mixing interferometry (SMI), as an extremely simple and compact laser range finding
technique, is especially appropriate to develop minitype sensors for narrow space and small …

A novel elaboration technique for a self-mixing interferometer is presented. It enables the
measurement of speed and direction for a remote target, without using heterodyne detection …

In this paper, we demonstrate the potential of silicon nitride integrated edge filters to perform
frequency to amplitude (FM-to-AM) conversion of optical feedback interferometric (OFI) …

Scanning optics enable many laser applications in manufacturing because their low inertia
allows rapid movement of the process beam across the sample. We describe our method of …