[CvGmt News] avviso Colloqui della Classe di Scienze - prof. Federico Capasso (06.10.2016)

Valeria Giuliani valeria.giuliani at sns.it
Tue Sep 20 11:18:03 CEST 2016


*Colloqui della Classe di Scienze*



Giovedì 6 ottobre 2016
ore 15:00



*Scuola Normale Superiore*

Pisa

(Sala degli Stemmi)


*Prof. * *Federico Capasso*

*(**Harvard University, Cambridge MA)*

Terrà un seminario dal titolo:



*“**Flat Optics with Metasurfaces”*



*Abstract:*

*The design of fundamental optical components such as lenses, gratings, and
holograms has remained essentially unchanged for at least fifty years,
relying on textbook refractive and diffractive optics. Subwavelength
structured surfaces known as metasurfaces are leading to a fundamental
reassessment of such designs with the emergence of optical components that
circumvent the limitations of standard ones and with entirely new
functions. Our recent formulation of the generalized laws of reflection and
refraction for metasurfaces has led us recently to demonstrate high quality
ultrathin dielectric metalenses with diffraction limited performance1-3.
Finally I will give examples of how this approach can be used to create
complex vector beams.*

*1.      **M. Khorasaninejad et al. Science 352, 1190 (2016)*

*2.      **F. Aieta et al. **Science 347, 1342 (2015)*

*3.      **N. Yu et al. Science 334, 333 (2011)*





Tutti gli interessati sono invitati a partecipare.



Classe di Scienze Matematiche e Naturali




Valeria Giuliani
Scuola Normale Superiore
Servizio alla Didattica e Allievi
tel. 050 509260
Piazza dei Cavalieri, 7
56126 Pisa
E-mail: valeria.giuliani at sns.it
E-mail: classi at sns.it
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