Plasmon-enhanced whispering gallery mode biosensing

  • Frank Vollmer
  • Published 2012 in 2012 Photonics Global Conference (PGC)

Abstract

Whispering gallery mode (WGM) biosensors derive their unprecedented sensitivity for label-free detection of biomolecules from the high-quality (Q) factor of an optical resonance phenomenon. Plasmonic excitations in metal nanostructures which are able to localize the WGM field at the target binding site can further enhance sensitivity by local electric field… (More)

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