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: Jun 20, 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

Variable attenuator for intense unpolarized laser beams.

H Lotem, A Eyal, A R Shuker

|September 24, 2009

Summary

This study introduces a novel variable attenuator using polarizing optics to control intense unpolarized laser beams dynamically. The device offers high transmission and damage threshold for laser applications.

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

Magnetic properties of (Fe<sub>1-<i>x</i></sub>Mn<sub><i>x</i></sub>)<sub>2</sub>AlB<sub>2</sub> and the impact of substitution on the magnetocaloric effect.

Physical review materials·2024

Same author

Supercooling of the A phase of <sup>3</sup>He.

Nature communications·2023

Same author

Thermal transport of helium-3 in a strongly confining channel.

Nature communications·2020

Same author

Parinaud syndrome: Any clinicoradiological correlation?

Acta neurologica Scandinavica·2017

Same author

Mode-hop suppression of Littrow grating-tuned lasers: comment.

Applied optics·2010

Same author

Evidence for a high-temperature disorder-induced mobility in solid 4He.

Physical review letters·2010

Area of Science:

Optics and Photonics
Laser Technology

Background:

Controlling intense unpolarized laser beams requires effective attenuation methods.
Existing methods may have limitations in dynamic range or optical damage threshold.

Purpose of the Study:

To report a new family of variable attenuators for dynamic attenuation of intense unpolarized laser beams.
To characterize the performance of these novel attenuators.

Main Methods:

Utilizing polarizing optics, specifically a retardation plate between two polarization splitters in tandem.
Varying the retardation or rotating the plate to control beam transmission.

Main Results:

Achieved a transmission dynamic range as large as 1 to 10(-5) using sapphire polarization splitters.
The attenuators exhibit high transmission and a high optical damage threshold.

Conclusions:

The developed variable attenuator offers effective dynamic control of unpolarized laser beams.
Applicable in laser material processing and Q-switching of unpolarized lasers.

More Related Videos

Constructing a Low-budget Laser Axotomy System to Study Axon Regeneration in C. elegans

Constructing a Low-budget Laser Axotomy System to Study Axon Regeneration in C. elegans

Published on: November 15, 2011

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Related Experiment Videos

Last Updated: Jun 20, 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

Constructing a Low-budget Laser Axotomy System to Study Axon Regeneration in C. elegans

Constructing a Low-budget Laser Axotomy System to Study Axon Regeneration in C. elegans

Published on: November 15, 2011

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017