Dresden 2011 – scientific programme

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ISS: Intersectional Sessions

ISS 10: Nano Plasmonic (A, HL)

ISS 10.3: Invited Talk

Friday, March 18, 2011, 11:30–12:00, BAR 205

Terahertz Nano Plasmonics — •Dai-Sik Kim — Center for Subwavelength Optics, Department of Physics and Astronomy, Seoul National University, Seoul, Korea

In this talk, we will focus on how terahertz electromagnetic waves, with wavelengths in the millimeter scale, can funnel through nano slits and nano slot antennas. The field enhancement is enormous, three orders of magnitudes, which can be used for nonlinear processes and ultrasensitive probing of underlying structures. Optics in extreme subwavelength regime resembles electro-statics involving capacitors, in contrast to the electromangetic waves in free space.