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SUMMARY:Terahertz wave detection based on low-dimensional electron - Dr Yu
 kio Kawano\, Associate Professor\,Department of Physics\, Tokyo Institute 
 of Technology
DTSTART:20120529T150000Z
DTEND:20120529T160000Z
UID:TALK38312@talks.cam.ac.uk
CONTACT:Leona Hope-Coles
DESCRIPTION:In this talk\, Dr Kawano gives the advantageous properties of 
 terahertz (THz) waves - permeability through objects opaque for visible li
 ght\, the important energy spectrum in the meV range\, etc. - which potent
 ially enable various applications of imaging and spectroscopy in this band
 . However\, since the THz region is located between the electronic and pho
 tonic bands\, even basic components like detector and source have not been
  fully established\, compared to the technically mature other frequency re
 gions. The THz wave also has the problem of low imaging resolution\, which
  results from a much longer wavelength than that of the visible light. He 
 will present a new type of THz sensing and imaging devices based on low-di
 mensional electron systems\, such as carbon nanotube (CNT)\, graphene\, an
 d two-dimensional electron gas (2DEG) in a GaAs/AlGaAs heterostructure.\n=
 ==========\nDr Kawano was awarded the Sir Martin Wood Prize at the Millenn
 ium Science Forum which took place at the British Embassy\, Tokyo\, Novemb
 er 2011. The Millennium Science Forum was established in 1998 to promote s
 cientific exchange between Britain and Japan and recognise the work of out
 standing young Japanese researchers. The prize is named after Sir Martin W
 ood\, Founder of Oxford Instruments.
LOCATION:Pippard Lecture Theatre\, Physics\, Department of
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