Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jun 27, 2026

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

A simple readout electronics for automatic power controlled self-mixing laser diode systems.

Stefano Cattini1, Luigi Rovati

  • 1Department of Information Engineering, University of Modena and Reggio Emilia, via Vignolese 905, I-41100 Modena, Italy.

The Review of Scientific Instruments
|December 3, 2008
PubMed
Summary

This study presents a simple electronic circuit for laser diode self-mixing interferometry. The circuit offers precise measurements without temperature stabilization, compensating for optical power variations.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Computational Simulation of a Surface Plasmonic Resonance Biosensor for β2-Microglobulin Based on Electrolyte-Gated Graphene.

Sensors (Basel, Switzerland)·2026
Same author

Graphene-Based Chemical Field-Effect Transistors: Impact of Electric Double Layer Model and Quantum Capacitance on Na<sup>+</sup> Detection Capabilities.

Micromachines·2026
Same author

A Computational Model of the Respiratory CPG for the Artificial Control of Breathing.

Bioengineering (Basel, Switzerland)·2025
Same author

Impact of Mg Doping on Structural, Morphological and Thermoelectric Properties of SnO<sub>2</sub> Nanoparticles: A Combined Experimental-Theoretical Investigation.

Molecules (Basel, Switzerland)·2025
Same author

The road toward a physiological control of artificial respiration: the role of bio-inspired neuronal networks.

Frontiers in neuroscience·2025
Same author

Validation of Hemoglobin and Hematocrit Measurements from a Dialysis Machine Sensor Compared to Laboratory Analysis.

Journal of clinical medicine·2025

Area of Science:

  • Optoelectronics
  • Interferometry
  • Electronic Circuit Design

Background:

  • Self-mixing interferometry (SMI) is a technique utilizing laser diodes as both emitters and detectors.
  • Precise interferometric measurements often require stable laser diode operation and compensation for optical power fluctuations.
  • Existing setups may necessitate complex thermostatic circuitry.

Purpose of the Study:

  • To design and characterize a simple electronic circuit for driving a laser diode in self-mixing interferometry.
  • To enable precise interferometric measurements without the need for laser diode temperature stabilization.
  • To incorporate automatic gain control for compensating optical power variations.

Main Methods:

  • Integration of a stable commercial automatic power controller.

More Related Videos

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Related Experiment Videos

Last Updated: Jun 27, 2026

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

  • Implementation of a current mirror-based readout for the interferometric signal.
  • Development and characterization of a prototype circuit.
  • Description of a specific calibration procedure.

    • Main Results:

    • A functional prototype of the electronic circuit was realized and characterized.
    • The system demonstrated the capability for precise interferometric measurements.
    • The circuit effectively compensates for emitted optical power fluctuations.
    • Thermostatic circuitry for laser diode temperature stabilization was not required.

    Conclusions:

    • The developed electronic circuit simplifies laser diode self-mixing interferometry.
    • The system achieves precise measurements with inherent compensation for power variations.
    • The proposed design offers a cost-effective and efficient solution for SMI applications.