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International Day of Light 2021

 | Post date: 2021/04/17 | 
IDL 2021   OPSI

The International Day of Light (IDL) is an annual, global initiative that provides a focal point for the continued appreciation of light. IDL aims to raise awareness of the critical role light-based technologies play in our lives, elevating science, technology, art, and culture to help achieve the goals of UNESCO – education, equality, and peace.
The activity is open to all and it is free, but pre-registration is required.
OPSI Colloquiums in the Occasion of the  International Day of Light
16 May 2021
26 Ordibehesht 1400

Download Program
 
Masud Mansuripur- International Journal of Optics and Photonics
 Prof. Masud Mansuripur
 
Mechanical Effects of Light: Radiation Pressure, Photon Momentum, and the Abraham-Minkowski Controversy
 
Masud Mansuripur

College of Optical Sciences, The University of Arizona, Tucson
 
Abstract: The rays of light carry energy as well as linear and angular momenta. The latter properties are exploited in solar sails, optical tweezers, and micro/nano opto-mechanical motors and actuators. A fundamental characteristic of photons, their momentum inside material media, has been the subject of debate and controversy for more than a century. The so-called Abraham-Minkowski controversy involves theoretical arguments in conjunction with experimental tests to determine whether the vacuum photon momentum must be divided or multiplied by the refractive index of the host medium. Also, momentum conservation is intimately tied to the force law that specifies the rate of exchange of electromagnetic and mechanical momenta between light and matter. In this presentation, I will discuss the foundational postulates of the Maxwell-Lorentz theory of electrodynamics with the goal of clarifying the prevailing ambiguities and resolving the reigning controversies.
 
Masud Mansuripur - IDL 2021
About the Speaker:
Masud Mansuripur (PhD, 1981, Electrical Engineering, Stanford University) is Professor and Chair of Optical Data Storage at the College of Optical Sciences of the University of Arizona in Tucson. He is the author of "Introduction to Information Theory" (Prentice-Hall, 1987), "The Physical Principles of Magneto-Optical Recording" (Cambridge University Press, 1995), "Classical Optics and its Applications" (Cambridge University Press, 2nd edition, 2009, Japanese translation 2021), "Field, Force, Energy and Momentum in Classical Electrodynamics" (Bentham e-books, 2nd edition, 2017), and “Mathematical Methods in Science and Engineering: Applications in Optics and Photonics” (Cognella Academic Publishing, 2019). A Fellow of OSA and SPIE, he is the author or co-author of over 300 technical papers in the areas of optical data recording, magneto-optics, optical materials fabrication and characterization, thin film optics, diffraction theory, macromolecular data storage, and problems associated with radiation pressure and photon momentum.
Masud Mansuripur
Professor and Chair of Optical Data Storage
James C. Wyant College of Optical Sciences
Contact:
The University of Arizona
Tucson, Arizona 85721
Phone: (520) 621-4879
Fax:     (520) 612-4358
E-mail:   
masud[at]optics.arizona.edu
Website: http://wp.optics.arizona.edu/Masud/
 
 
Gerd Leuchs - IDL 2021
Prof. Gerd Leuchs
 
Taking focusing to the extreme: Is there something new?
- an intermediate report from a long journey
 
Gerd Leuchs
 

Max Planck Institute for the Science of Light
Institute of Applied Physics of the Russian Academy of Sciences
Department of Physics, University Erlangen-Nürnberg
Department of Physics, University of Ottawa
  
About the Speaker:
Gerd Leuchs is Director Emeritus at the Max Planck Institute for the Science of Light in Erlangen, and an adjunct professor within the physics department of the University of Ottawa.  After 15 years in academic research at the Universities of Cologne, Munich and at JILA, Boulder, Colorado, he worked at a Swiss optics company for five years before becoming full professor at the University of Erlangen-Nürnberg. His scientific work includes quantum beats, photo-electron angular distributions in multi photon ionization, quantum noise reduced and entangled light beams and solitons in optical fibres, quantum communication protocols, focusing light beams and nanophotonics.
For five years, Gerd Leuchs led the German gravitational wave detection group (1985-1989). He has been a Visiting Fellow of JILA, Feodor-Lynen Fellow of the Alexander von Humboldt Foundation, Heisenberg Fellow of the German Science Foundation, Visiting Professor at the Australian National University, at the University of Adelaide and the Laboratoire Kastler Brossel of the Ecole Normale Supérieure. He is member of the German Physical Society, the German Society for Applied Optics, the European Physical Society and the German Academy of Sciences Leopoldina, and Fellow of the Institute of Physics, of The Optical Society (OSA), and of the American Association for the Advancement of Science. He is a foreign member of the Russian Academy of Sciences. He holds honorary degrees from the Danish Technical University and Saint Petersburg State University.
In 2005, he received the Quantum Electronics Prize from the European Physical Society, and in 2018, the Herbert Walther Prize jointly awarded by OSA and the German Physical Society (DPG). He won an advanced grant from the European Research Council, a mega-grant from Russia as well as a Julius-von-Haast Fellowship award from the Royal Society of New Zealand. With his research, Gerd Leuchs is contributing to the field of quantum technology. He is member of a number of advisory boards for quantum technology application and innovation in Germany and abroad.
 
Time table                                                                                  
Speaker Talk
Time
(Talk+Discussion)

Prof. Masud Mansuripur
Mechanical Effects of Light: Radiation Pressure, Photon Momentum, and the Abraham-Minkowski Controversy
 

09:00 – 10:30

Prof. Gerd Leuchs
Taking focusing to the extreme: Is there something new? - an intermediate report from a long journey
 

14:00 – 15:30
 




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