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SUMMARY:The design of an active Terahertz polarisation modulator device by
  integrating Chiral metamaterials with Graphene (SP Workshop) - Mr Stephen
  Kindness\, University of Cambridge\, Semiconductor Physics Group
DTSTART:20160309T141500Z
DTEND:20160309T151500Z
UID:TALK64319@talks.cam.ac.uk
CONTACT:Teri Bartlett
DESCRIPTION:With the progress of Terahertz (THz) technologies in recent ye
 ars\, a wide range of applications have emerged\, including security scree
 ning\, non-destructive testing\, gas sensing\, biomedical imaging and comm
 unication. Active control over the properties of Terahertz frequencies is 
 essential for all of these applications\, including the controllable modul
 ation of the phase\, amplitude and polarisation of Terahertz radiation. I 
 will be discussing a simulated design for an integrated Chiral metamateria
 l and Graphene device capable of modulating the polarisation of Terahertz 
 radiation. This device should be capable of actively controlling the conve
 rsion of linear polarised radiation to circular polarised radiation whilst
  also being capable of twisting the angle of an incident linear polarisati
 on to a degree determined by an applied voltage.
LOCATION:Mott Seminar Room (Mott Building Room 531)\, Cavendish Laboratory
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