This tutorial presents a guided tour of laser feedback interferometry, from its origin and early
development through its implementation to a slew of sensing applications, including …

Theoretical and experimental analysis of the spectral characteristics of the signal acquired
from self-mixing laser Doppler of extracorporeal blood flow is presented. The theoretical …

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 …

The need to accurately measure flow profiles in microfluidic channels is well recognised. In
this work, we present a new optical feedback interferometry (OFI) flow sensor that accurately …

Optical feedback interferometry (OFI) sensors are experiencing a consistent increase in their
applications to biosensing due to their contactless nature, low cost and compactness …

This work describes the development of a novel laser instrument for non-contact absolute
distance measurements, working in safety class I. The physical principle of operation is …

This paper describes a novel instrument based on a self-mixing optical interferometer, able
to reconstruct the target speed and direction, without heterodyne detection. The real-time …

This work describes the development of an optical sensor for measurement of vibration
without contact. The realized vibrometer is based on real-time digital elaboration of the …

The novelty of Self-mixing interferometry is represented by the combination of high accuracy
and contactless operation with compact, very-low-cost and user-friendly setup. This paper …

We demonstrate a flow-meter sensor using a bare laser diode (LD) as a self-mixing
interferometer and no additional lens nor optical component. The diode is placed directly on …