Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 21, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Phase-shifting laser diode interferometer using pulse modulation.

Takamasa Suzuki¹, Tsubasa Adachi, Osami Sasaki

¹Niigata University, Graduate School of Science and Technology, Niigata, Japan. takamasa@eng.niigata-u.ac.jp

|June 23, 2012

Summary

This summary is machine-generated.

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

Preprocedural cardiac computed tomography assessment of left atrial posterior wall morphology predicts atrial tachyarrhythmia recurrence after cryoballoon pulmonary vein isolation.

Heart rhythm O2·2026

Same author

Cytokinin receptor AHK3 influences leaf size by modulating trans-zeatin-type cytokinin levels in xylem.

Plant & cell physiology·2026

Same author

Operative strategies for Hirschsprung disease presenting in adults: A systematic review.

Journal of pediatric surgery·2026

Same author

Long-Term Response to Pembrolizumab in Metastatic Metaplastic Breast Carcinoma: A Case Report.

The American journal of case reports·2026

Same author

Arabidopsis TITAN LIKE is required for U12-type intron splicing, especially of AT-AC subtypes.

Plant & cell physiology·2026

Same author

Wounding activates the HSFA1 transcription factors to promote cellular reprogramming in Arabidopsis.

The Plant cell·2026

Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026

Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026

Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026

Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026

Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026

Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026

See all related articles

This study introduces a novel phase-shifting laser diode interferometer using direct pulse modulation. The technique generates a laser beam with wide wavelength variation, enabling highly accurate measurements.

Area of Science:

Optics and Photonics
Laser Physics
Interferometry

Background:

Traditional interferometers face limitations in accuracy and wavelength control.
Pulsed current injection in laser diodes offers potential for novel optical modulation techniques.

Purpose of the Study:

To propose and demonstrate a phase-shifting laser diode interferometer utilizing direct pulse modulation.
To explore the generation of laser beams with tunable wavelength characteristics.
To achieve high-accuracy measurements using an advanced interferometric setup.

Main Methods:

Direct pulse modulation of a laser diode to generate a phase-shifted beam.
Construction of a dual-interferometer system for enhanced precision.
Experimental validation through temporal and spatial interference analysis.

More Related Videos

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Related Experiment Videos

Last Updated: May 21, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Main Results:

A laser beam with significant wavelength variation at constant optical power was successfully generated.
The interferometer demonstrated high accuracy in measuring optical components, including a concave mirror.
Duplicate measurements confirmed the reliability and effectiveness of the pulse modulation technique.

Conclusions:

The proposed phase-shifting laser diode interferometer with direct pulse modulation is effective for high-accuracy measurements.
Pulse modulation offers a viable method for controlling laser wavelength characteristics.
This technique shows promise for advanced optical sensing and metrology applications.