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SUMMARY:Nanophotonics: from Michael Faraday to single molecule sensing - D
 r Marlous Kamp
DTSTART:20191022T193000Z
DTEND:20191022T203000Z
UID:TALK132241@talks.cam.ac.uk
CONTACT:Mr Simon Thomas
DESCRIPTION:The vibrant ruby red colours of gold nanoparticles have enthra
 lled people as early as the Roman era\, and the curious interactions of me
 tal particles with light have been employed in e.g. stained glass ever sin
 ce. However\, it was Michael Faraday who first correlated these unique opt
 ical properties with the size of the particles\, and who was able to repro
 ducibly manufacture colloidal suspensions of gold. Since then\, science ha
 s come a long way\, and a better understanding of these nanophotonic pheno
 mena now allows us to use gold particles to detect minute traces of molecu
 les and even to track the behaviour of single molecules and atoms in real-
 time. These nanoscale optical properties will play a key role in emerging 
 technologies.
LOCATION:Peterhouse Theatre
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