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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

Phase memory of optical vortex beams.

Mahdi Eshaghi¹, Cristian Hernando Acevedo¹, Mahed Batarseh¹

¹CREOL, The College of Optics and Photonics, University of Central Florida, 4304 Scorpius St, Orlando, FL, 32816, USA.

Scientific Reports

|June 21, 2022

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This summary is machine-generated.

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This study quantifies how optical vortex beams degrade when passing through random media. We found that the beams can retain memory of their initial properties, depending on the disturbance level and beam characteristics.

Area of Science:

Quantum optics
Optical communications
Laser material processing
Optical particle trapping

Background:

Optical vortex beams possess unique properties with diverse applications.
Interaction with inhomogeneous materials alters the deterministic properties of these beams.
Understanding beam degradation is crucial for practical applications.

Purpose of the Study:

To quantify the degradation of perfect optical vortex beams interacting with localized random media.
To analyze the impact of spatial correlation and phase variance of disturbances on vortex beams.
To identify conditions under which vortex beams retain their initial vorticity memory.

Main Methods:

Development of an analytical model to describe beam-media interaction.

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Last Updated: Sep 7, 2025

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

Gradient Echo Quantum Memory in Warm Atomic Vapor

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Published on: November 11, 2013

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Quantification of phase distribution changes in vortex beams.

Systematic numerical simulations.

Controlled experimental validation.

Main Results:

The analytical model successfully describes the effect of disturbance on phase distribution.
Regimes of randomness were established for maintaining vortex beam memory.
Experimental results confirmed the theoretical predictions regarding the memory effect.
The extent of memory retention varied with different vorticity indices.

Conclusions:

The study provides a quantitative understanding of optical vortex beam degradation in random media.
The findings are critical for designing robust optical systems and applications.
The concept of 'vorticity memory' is demonstrated and characterized.