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Center for Astrophysics Research and Technologies Seminar Series Information


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Engineering the Light along its Axis of Propagation

Monday August 20, 2018
11:00 am

 Presenter:  Professor Mo Mojahedi, Department of Electrical & Computer Engineering, University of Toronto
 Series:  OSE Seminars
 Abstract:  Bessel Beams belong to a class of wave known as the Localized Wave, which can resist diffraction and exhibit self-healing behavior upon scattering from objects. In this talk, I will show that in addition to the aforementioned known properties, it is possible to control and modify (i.e. engineer), almost at will, the Bessel Beam’s intensity (value and pattern), its orbital angular momentum (magnitude and sign), its polarization (horizontal, vertical, or radial), and/or its wavelength along the beam’s axis of propagation. Such an unprecedented control can be performed for a single parameter of the beam (e.g. intensity, orbital angular momentum, polarization, and wavelength) or for a combination of these parameters. Time permitting; some application of this novel approach will be also discussed.
 Location:  Room 101, Center for High Tech Materials

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