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Related Experiment Video

Updated: May 13, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

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

Published on: August 12, 2013

Note: a simple experimental arrangement to generate optical vortex beams.

Dhirendra Kumar1, Abhijit Das, Bosanta R Boruah

  • 1Department of Physics, Indian Institute of Technology Patna, Patliputra Colony, Patna 800013, India.

The Review of Scientific Instruments
|March 8, 2013
PubMed
Summary
This summary is machine-generated.

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Researchers developed a simple method to create optical vortex beams using printed interferograms. This technique allows for quick generation of beams with specific topological charges, offering an inexpensive alternative to holographic methods.

Area of Science:

  • Optics and Photonics
  • Laser Physics

Background:

  • Optical vortex beams are crucial in various applications, including optical trapping and microscopy.
  • Traditional methods for generating optical vortex beams, such as using spatial light modulators or holographic techniques, can be complex and expensive.

Purpose of the Study:

  • To present a simple, inexpensive, and rapid experimental arrangement for generating optical vortex beams.
  • To demonstrate the generation of vortex beams with controllable topological charges.

Main Methods:

  • An experimental setup utilizing a printed interferogram on a transparent sheet to generate optical vortex beams.
  • Computation of interferograms to determine the desired topological charge.

Main Results:

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Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

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Last Updated: May 13, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

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

Published on: August 12, 2013

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

  • Successfully generated optical vortex beams with various topological charges.
  • Experimental results confirmed that the generated vortex beams possess the intended topological charge.
  • The method allows for rapid generation of different vortex beams.

    • Conclusions:

    • The presented method provides a simple, cost-effective, and fast way to generate optical vortex beams.
    • This technique offers a practical alternative to conventional holographic approaches for creating vortex beams with specific topological charges.