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SUMMARY:Are quasicrystals the future of metamaterial waveguides? - Bryn Da
 vies (Imperial College London)
DTSTART:20230216T133000Z
DTEND:20230216T150000Z
UID:TALK197062@talks.cam.ac.uk
DESCRIPTION:Characterising the spectra of quasiperiodic operators is a cha
 llenging problem that has attracted the attention of mathematicians for se
 veral decades. Meanwhile\, metamaterial waveguides achieve exceptional wav
 e control feats through carefully designed geometric patterns. These patte
 rns are typically periodic\, meaning their spectra can be characterised co
 ncisely using Floquet-Bloch analysis. However\, modern techniques for desc
 ribing quasiperiodic patterns are now sufficiently developed that we can u
 se them when designing metamaterial waveguides for specific applications\,
  thereby greatly enlarging the potential design space. This talk will summ
 arise some recent breakthroughs in the characterisation of spectral gaps i
 n quasiperiodic metamaterials and identify opportunities where this theory
  can be used in applications. In particular\, we will look at applications
  of quasicrystals to graded energy harvesting devices and symmetry-induced
  waveguides.
LOCATION:Seminar Room 2\, Newton Institute
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