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Partial coherence and polarization in electromagnetic interference
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
2011 (English)In: Proc SPIE Int Soc Opt Eng, 2011Conference paper (Refereed)
Abstract [en]

While the theories of the optical coherence of scalar fields and the polarization of beam fields are well established, a general theory for the coherence and polarization of true electromagnetic fields appearsmore subtle. With random vector fields coherence may reside among any or all of the electric-field components, leading to a modulation of the optical intensity or the polarization state, or both, on two-beam interference. We discuss the recent formulations of both the polarization and the coherence, and we show that the electromagnetic degree of coherence is characterized by the modulation of all the four Stokes parameters (representing intensity and polarization state) in a two-pinhole Young's setup. This also leads to a new experimental interpretation for the degree polarization of a random electromagnetic beam. Certain important results pertaining to electromagnetic coherence, which are fully analogous to their scalar counterparts, are emphasized. 

Place, publisher, year, edition, pages
, Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 8011
Keyword [en]
Electromagnetic coherence, polarization, two-beam interference, Degree of coherence, Four Stokes parameters, General theory, Optical intensities, Partial coherence, Polarization state, Random electromagnetic beams, Random vectors, Scalar fields, Electromagnetic fields, Electromagnetic pulse, Light
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-150628DOI: 10.1117/12.902482ISI: 000297585800222ScopusID: 2-s2.0-84858412318ISBN: 9780819485854OAI: diva2:744837
22nd Congress of the International Commission for Optics: Light for the Development of the World, 15 August 2011 through 19 August 2011, Puebla

QC 20140908

Available from: 2014-09-08 Created: 2014-09-08 Last updated: 2014-09-08Bibliographically approved

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Friberg, Ari T.
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Microelectronics and Applied Physics, MAP
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