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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

A high-resolution, adaptive beam-shaping system for high-power lasers.

Seung-Whan Bahk¹, Ed Fess, Brian E Kruschwitz

¹Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, NY 14623-1299 USA. sbah@lle.rochester.edu

|July 1, 2010

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A novel beam-shaping system using a liquid-crystal-on-silicon spatial light modulator achieves high precision for high-power lasers. This closed-loop system demonstrates unprecedented convergence for laser applications.

Area of Science:

Optics and Photonics
Laser Technology
Materials Science

Background:

High-power laser systems require precise control over beam characteristics.
Existing beam-shaping methods face limitations in resolution and precision.
Advanced wavefront control is crucial for applications like inertial confinement fusion.

Purpose of the Study:

To demonstrate a high-resolution, high-precision beam-shaping system for high-power lasers.
To utilize a liquid-crystal-on-silicon spatial light modulator for dynamic amplitude and wavefront control.
To address practical considerations for implementing such systems in demanding laser environments.

Main Methods:

Implementation of a closed-loop system employing a liquid-crystal-on-silicon spatial light modulator.

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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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Published on: August 12, 2013

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Last Updated: Jun 11, 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

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Real-time shaping of laser beam amplitude and wavefront.

Testing and validation using the OMEGA EP laser system.

Main Results:

Demonstration of a high-resolution and high-precision beam-shaping capability.
Achieved an unprecedented degree of convergence in laser beam shaping.
Successful application of wavefront shaping in the OMEGA EP laser.

Conclusions:

The developed system offers a significant advancement in controlling high-power laser beams.
The closed-loop liquid-crystal-on-silicon approach is effective for precise wavefront manipulation.
The system shows promise for various demanding laser applications beyond OMEGA EP.