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Updated: May 21, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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Polarization converter for higher-order laser beams using a single binary diffractive optical element as beam

Svetlana N Khonina1, Sergey V Karpeev, Sergey V Alferov

  • 1Image Processing Systems Institute of the Russian Academy of Sciences, Molodogvardeiskaya Street 151, Samara 443001, Russia. khonina@smr.ru

Optics Letters
|June 29, 2012
PubMed
Summary

We developed a novel method using binary diffractive optical elements (DOEs) to create initial beams for polarization converters. This approach efficiently generates specific vortex beam pairs for advanced optical applications.

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Last Updated: May 21, 2026

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Area of Science:

  • Optics and Photonics
  • Laser Physics
  • Beam Generation

Background:

  • Polarization converters are crucial for manipulating light polarization.
  • Generating specific initial beam pairs is essential for converter efficiency.
  • Existing methods may lack efficiency or require complex setups.

Purpose of the Study:

  • To introduce a new, efficient method for generating initial beams for polarization converters.
  • To utilize binary diffractive optical elements (DOEs) for simultaneous beam shaping and splitting.
  • To compare different optical arrangements for alignment complexity and energy efficiency.

Main Methods:

  • Generating conjugated pairs of vortex beams matched with laser modes.
  • Employing binary diffractive optical elements (DOEs) as dual-function devices (shaper and splitter).
  • Designing, fabricating, and experimentally testing the DOEs.

Main Results:

  • Successful generation of vector higher-order cylindrical beams.
  • Demonstration of binary DOEs performing simultaneous beam shaping and splitting.
  • Comparison of two optical arrangements highlighting trade-offs in complexity and efficiency.

Conclusions:

  • The proposed DOE-based approach offers an efficient and simplified method for generating initial beams.
  • Binary diffractive optical elements are effective for creating complex beam structures.
  • The experimental validation confirms the feasibility of the new approach for polarization conversion applications.