Metal slanted columnar thin film THz optical sensors

T. Hofmann, D. Schmidt, A. Boosalis, P. Kühne, C. M. Herzinger, J. A. Woollam, E. Schubert, M. Schubert

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations


We demonstrate that the anisotropic optical response of metal (cobalt) slanted columnar thin films (STF) at THz frequencies strongly depends on the dielectric properties of the dielectric ambient surrounding the slanted columnar thin films. An effective medium dielectric function approach is used to describe the combined optical response of metal slanted columnar thin film and dielectric ambient. Our observations indicate that metal (cobalt) slanted columnar thin films can be used as sensors which will enable detection and characterization of minute amounts of dielectrics at THz frequencies, such as for flow-based detection of liquid chemical constituents.

Original languageEnglish (US)
Title of host publicationFunctional Semiconductor Nanocrystals and Metal-Hybrid Structures
Number of pages6
StatePublished - 2011
Event2011 MRS Fall Meeting - Boston, MA, United States
Duration: Nov 28 2011Dec 2 2011

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Other2011 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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