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DTSTAMP:20260424T143332Z
UID:64ca545a63e73754828674@ist.ac.at
DTSTART:20230825T100000
DTEND:20230825T110000
DESCRIPTION:Speaker: Alex Potts\nhosted by Hryhoriy Polshyn\nAbstract: Free
 -space time domain THz spectroscopy accesses material electrodynamic respo
 nses in a frequency regime ideally matched to interacting condensed matter
  energy scales. THz spectroscopy\, however\, is challenging when samples a
 re physically smaller than the diffraction limit of ~0.5 mm\, as is typica
 l\, for example\, in van der Waals materials and heterostructures. We exam
 ine engineering considerations at THz frequencies\, present an on-chip\, t
 ime-domain THz spectrometer with a bandwidth of 750 GHz\, and extract the 
 optical conductivity of a 7.5-um wide NbN film across the superconducting 
 transition. Our spectrometers interchangeable sample architecture makes it
  ideal for probing superconductivity\, magnetism\, and charge order in str
 ongly correlated van der Waals materials.
LOCATION:Office Bldg West / Ground floor / Heinzel Seminar Room (I21.EG.101
 )\, ISTA
ORGANIZER:alazic@ist.ac.at
SUMMARY:Alex Potts: Engineering an on-chip THz time domain spectrometer for
  van der Waals materials
URL:https://talks-calendar.ista.ac.at/events/4353
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