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Related Experiment Video

Updated: Feb 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

Segmented Bessel beams.

Angelina Müller, Matthias C Wapler, Ulrike Wallrabe

|October 19, 2017

Summary

This summary is machine-generated.

Researchers developed a scale-invariant model to predict the shortest segmented Bessel beam length. This analytical estimate, using wavelength and axicon angle, was confirmed by simulations and experiments.

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Last Updated: Feb 20, 2026

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Published on: August 12, 2013

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Area of Science:

Optics and Photonics
Beam Physics

Background:

Bessel beams are known for their non-diffracting properties.
Segmented Bessel beams offer controlled propagation characteristics.

Purpose of the Study:

To derive an analytical model for predicting the minimum segment length of Bessel beams.
To investigate the influence of ring aperture size on beam segmentation.

Main Methods:

Utilized an axicon illuminated by a plane wave with varying ring apertures.
Developed a scale-invariant analytical model incorporating dimensionless parameters (wavelength, axicon angle).
Verified the model through numerical simulations and experimental measurements.

Main Results:

An accurate analytical estimate for the shortest possible beam segment was determined.
The model shows good agreement with simulation and experimental data.
The study explored aperture sizes from the Fraunhofer diffraction limit to the classical limit.

Conclusions:

The derived scale-invariant model effectively predicts segmented Bessel beam characteristics.
This research provides a method for controlling and understanding segmented Bessel beams.