Janus waves

Dimitris G. Papazoglou, Vladimir Yu Fedorov, Stylianos Tzortzakis

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We show the existence of a family of waves that share a common interesting property affecting the way these waves propagate and focus. The waves are a superposition of twin waves, which are conjugate to each other under inversion of the propagation direction. In analogy to holography, these twin "real" and "virtual" waves are related, respectively, to the converging and diverging parts of the beam and can be clearly visualized in real space at two distinct foci under the action of a focusing lens. Analytic formulas for the intensity distribution after focusing are derived, while numerical and experimental demonstrations are given for some of the most interesting members of this family, the accelerating Airy and ring-Airy beams.

Original languageEnglish
Pages (from-to)4656-4659
Number of pages4
JournalOptics Letters
Volume41
Issue number20
DOIs
Publication statusPublished - 15 Oct 2016

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Janus
Holography
Lenses
holography
lenses
inversions
propagation
rings
Direction compound

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Papazoglou, D. G., Fedorov, V. Y., & Tzortzakis, S. (2016). Janus waves. Optics Letters, 41(20), 4656-4659. https://doi.org/10.1364/OL.41.004656

Janus waves. / Papazoglou, Dimitris G.; Fedorov, Vladimir Yu; Tzortzakis, Stylianos.

In: Optics Letters, Vol. 41, No. 20, 15.10.2016, p. 4656-4659.

Research output: Contribution to journalArticle

Papazoglou, DG, Fedorov, VY & Tzortzakis, S 2016, 'Janus waves', Optics Letters, vol. 41, no. 20, pp. 4656-4659. https://doi.org/10.1364/OL.41.004656
Papazoglou DG, Fedorov VY, Tzortzakis S. Janus waves. Optics Letters. 2016 Oct 15;41(20):4656-4659. https://doi.org/10.1364/OL.41.004656
Papazoglou, Dimitris G. ; Fedorov, Vladimir Yu ; Tzortzakis, Stylianos. / Janus waves. In: Optics Letters. 2016 ; Vol. 41, No. 20. pp. 4656-4659.
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