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Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

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Published on: June 8, 2018

Shifted-elementary-mode representation for partially coherent vectorial fields.

Jani Tervo1, Jari Turunen, Pasi Vahimaa

  • 1University of Eastern Finland, Department of Physics and Mathematics, P.O. Box 111, FI-80101 Joensuu, Finland. jani.tervo@joensuu.fi

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
|September 3, 2010
PubMed
Summary
This summary is machine-generated.

This study introduces a new method to represent partially coherent electromagnetic fields using elementary modes. This approach enables efficient propagation of non-paraxial vector fields, simplifying complex optical simulations.

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Area of Science:

  • Optics
  • Electromagnetism
  • Computational Physics

Background:

  • Partially coherent and polarized electromagnetic fields are common in optical systems.
  • Propagating these fields non-paraxially is computationally intensive.

Purpose of the Study:

  • To develop a novel representation for partially coherent electromagnetic fields.
  • To enable efficient numerical propagation of non-paraxial vector fields.

Main Methods:

  • Representing fields using mutually uncorrelated, transversely shifted, fully coherent elementary modes.
  • Developing a procedure to derive these modes from radiant intensity and far-zone polarization.

Main Results:

  • A new representation for partially coherent, partially polarized stationary electromagnetic fields.
  • Demonstrated efficient propagation of non-paraxial fields using techniques for fully coherent fields.
  • Applied the method to quasi-homogeneous fields with specific radiant intensity distributions.

Conclusions:

  • The proposed representation simplifies the propagation of complex electromagnetic fields.
  • This method offers significant numerical efficiency compared to traditional correlation function propagation.
  • The technique is applicable to modeling fields from sources like light-emitting diodes.