Eigenpolarizations for Giant Transverse Optical Beam Shifts

Jorg B. Goette*, Wolfgang Loeffler, Mark R. Dennis

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

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Abstract

We show how careful control of the incident polarization of a light beam close to the Brewster angle gives a giant transverse spatial shift on reflection. This resolves the long-standing puzzle of why such beam shifts transverse to the incident plane (Imbert-Fedorov shifts) tend to be an order of magnitude smaller than the related Goos-H nchen shifts in the longitudinal direction, which are largest close to critical incidence. We demonstrate that with the proper initial polarization the transverse displacements can be equally large, which we confirm experimentally near Brewster incidence. In contrast to the established understanding, these polarizations are elliptical and angle dependent. We explain the magnitude of the Imbert-Fedorov shift by an analogous change of the symmetry properties for the reflection operators as compared to the Goos-H nchen shift.

Original languageEnglish
Article number233901
Number of pages5
JournalPhysical Review Letters
Volume112
Issue number23
Early online date10 Jun 2014
DOIs
Publication statusPublished - 13 Jun 2014

Keywords

  • GOOS-HANCHEN
  • LIGHT-BEAM
  • SPIN
  • POLARIZATION
  • REFLECTION

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