THz surface plasmon jump between two metal edgesстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We excite surface plasmon in the THz frequency range at a metal surface using a diffraction grating coupler. Then the excited surface plasmon propagates along the flat metal surface, scatters into free space at the sample edge and then couples onto the flat surface of a
second device similar to the emitting one. Using THz time-domain spectroscopy, we study plasmon propagation and its coupling processes in time and frequency domains. We measure a surface plasmon propagation length, at a flat air–aluminum interface, smaller than expected. We report for the first time a high coupling efficiency of the THz surface plasmon field between the two grating devices separated by a several centimeters-thick air gap.