Coherence Stokes Parameters in the Description of Electromagnetic Coherence

Setälä, Tero; Saastamoinen, Kimmo; Friberg, Ari T.

doi:10.3390/photonics8030085

Open AccessEditor’s ChoiceCommunication

Coherence Stokes Parameters in the Description of Electromagnetic Coherence

by

Tero Setälä

^*,

Kimmo Saastamoinen

and

Ari T. Friberg

Institute of Photonics, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland

^*

Author to whom correspondence should be addressed.

Photonics 2021, 8(3), 85; https://doi.org/10.3390/photonics8030085

Submission received: 1 March 2021 / Revised: 19 March 2021 / Accepted: 19 March 2021 / Published: 22 March 2021

(This article belongs to the Special Issue Structured Light Coherence)

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Abstract

The two-point counterparts of the traditional Stokes parameters, which are called the coherence Stokes parameters, have recently been extensively used for assessing the coherence properties of random electromagnetic light beams. In this work, we highlight their importance by emphasizing two features associated with them. First, the role of polarization in electromagnetic coherence is significantly elucidated when the coherence Stokes parameters are used. Second, the normalized coherence Stokes parameters should be regarded as the true electromagnetic counterparts of the normalized scalar-field correlation coefficient.

Keywords: coherence; polarization; electromagnetic beams

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MDPI and ACS Style

Setälä, T.; Saastamoinen, K.; Friberg, A.T. Coherence Stokes Parameters in the Description of Electromagnetic Coherence. Photonics 2021, 8, 85. https://doi.org/10.3390/photonics8030085

AMA Style

Setälä T, Saastamoinen K, Friberg AT. Coherence Stokes Parameters in the Description of Electromagnetic Coherence. Photonics. 2021; 8(3):85. https://doi.org/10.3390/photonics8030085

Chicago/Turabian Style

Setälä, Tero, Kimmo Saastamoinen, and Ari T. Friberg. 2021. "Coherence Stokes Parameters in the Description of Electromagnetic Coherence" Photonics 8, no. 3: 85. https://doi.org/10.3390/photonics8030085

APA Style

Setälä, T., Saastamoinen, K., & Friberg, A. T. (2021). Coherence Stokes Parameters in the Description of Electromagnetic Coherence. Photonics, 8(3), 85. https://doi.org/10.3390/photonics8030085

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Coherence Stokes Parameters in the Description of Electromagnetic Coherence

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