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Journal Title
Title of Journal: J Infrared Milli Terahz Waves
Abbravation: Journal of Infrared, Millimeter, and Terahertz Waves
Publisher
Springer US
DOI
10.1007/978-1-4020-8512-3_14
ISSN
1866-6906
We demonstrate microscopic mapping of electromagnetic waves close to metal microstructures with subps temporal and subwavelength spatial resolution by pulsed THz nearfield imaging The inherent phasesensitivity of this technique allows mapping wavefronts of propagating modes and the measured amplitude distributions provide information on field concentration and localization close to the structures Using this approach we investigate wave propagation through a subwavelength aperture as well as the formation of traveling and standing surface waves along a metal microwire