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Related Experiment Video

Updated: Jun 20, 2026

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

Direct generation of accelerating Airy beams using a 3/2 phase-only pattern.

Don M Cottrell¹, Jeffrey A Davis, Thomas M Hazard

¹Department of Physics, San Diego State University, San Diego, California 92182-1233, USA.

|September 3, 2009

Summary

Researchers directly generated accelerated Airy beams using a novel 3/2 phase pattern on an LCD. This method achieves shorter system lengths while matching theoretical predictions for beam deflection.

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

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Last Updated: Jun 20, 2026

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

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Published on: August 12, 2013

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

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Published on: January 28, 2019

Area of Science:

Optics and Photonics
Beam Shaping
Nonlinear Optics

Background:

Accelerated Airy beams are crucial for applications requiring self-healing and non-diffracting light propagation.
Previous generation methods relied on cubic phase patterns and longer optical setups (2f systems).

Purpose of the Study:

To develop a more compact and direct method for generating accelerated Airy beams.
To investigate the use of a 3/2 phase pattern encoded onto a liquid crystal display (LCD).

Main Methods:

Direct generation of Airy beams using a 3/2 phase pattern.
Encoding the phase pattern onto a spatial light modulator (SLM), specifically an LCD.
Experimental validation of beam propagation and deflection characteristics.

Main Results:

Successfully generated accelerated Airy beams with a significantly shorter system length.
Observed beam deflection consistent with theoretical predictions, scaling quadratically with distance from the LCD.
The 3/2 phase pattern effectively creates the desired Airy beam characteristics.

Conclusions:

The 3/2 phase pattern encoded on an LCD offers a more efficient and compact approach to generating accelerated Airy beams.
This method provides a practical alternative for applications requiring controlled light propagation in reduced space.