Files in This Item:
File | Format | ||
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b1200900.mp4 | Streaming Video | View/Open |
Title: | Pinholes Meet Fabry-Pérot : Perfect and Imperfect Transmission of Waves through Small Apertures |
Originating Office: | IAS |
Speaker: | Merlin, Roberto |
Issue Date: | 4-Oct-2012 |
Event Date: | 4-Oct-2012 |
Group/Series/Folder: | Record Group 8.15 - Institute for Advanced Study Series 3 - Audio-visual Materials |
Location: | 8.15:3 EF |
Notes: | Croucher Advanced Study Institute on New Materials and New Concepts for Controlling Light and Waves. Talk no.14 Host: HKUST Institute for Advanced Study. Sponsor: The Croucher Foundation. Abstract: It has been known for a long time that small holes, of dimensions [lota], are ill suited for transmitting electromagnetic, acoustic or other disturbances of wavelength [lambda]. The normalized transmittance, T[subscript N], i.e., the ratio between the power transmitted and that incident upon the hole, is ~ ([lota] / [lambda])[superscript 4]. More recently, Ebbesen et al. [Nature 391, 667 (1998)] showed that periodic arrays of small apertures in a metallic film can lead to an extraordinary enhancement of the optical transmission. This important discovery has led to numerous ideas for applications in areas such as sensing, near-field microscopy and light harvesting, that can benefit from the concurrent enhancement of the electric field in the vicinity of the apertures. Duration: 31 min. |
Appears in Series: | 8.15:3 - Audio-visual Materials Videos for Public -- Distinguished Lectures |