Terahertz phase microscopy in the sub-wavelength regime

Title
Terahertz phase microscopy in the sub-wavelength regime
Authors
이민우이강희송진동안재욱
Keywords
InAs; THz
Issue Date
2012-04
Publisher
Applied physics letters
Citation
VOL 100, NO 16, 161110-1-161110-3
Abstract
Gouy phase shift is a well-known behavior that occurs when a propagating light is focused, but its behavior in the sub-wavelength confinement is not yet known. Here, we report the theoretical and experimental study of the aperture-size dependency of the Gouy phase shift in the sub-wavelength diffraction regime. In experiments carried out with laser-induced terahertz (THz) wave emission from various semiconductor apertures, we demonstrate the use of Guoy phase shit for sub-wavelength THz microscopy.
URI
http://pubs.kist.re.kr/handle/201004/42263
ISSN
00036951
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KIST Publication > Article
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