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Quantitative coherent scattering spectra in apertureless terahertz pulse near-field microscopes SCIE SCOPUS

Title
Quantitative coherent scattering spectra in apertureless terahertz pulse near-field microscopes
Authors
Moon, KDo, YLim, MLee, GKang, HPark, KSHan, H
Date Issued
2012-07-02
Publisher
AMER INST PHYSICS
Abstract
We present quantitative coherent measurements of scattering pulses and spectra in terahertz apertureless near-field microscopes. Broadband near-field image contrasts for both amplitude and phase spectra are measured directly from time-domain scattering signals with an unprecedentedly high single-scan signal-to-noise ratio (similar to 48 dB), with approach curves for both short (< 200 nm) and long (up to 82 mu m) ranges. By using the line dipole image method, we obtain quantitative broadband THz imaging contrasts with nanoscale resolution. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4733475]
URI
https://oasis.postech.ac.kr/handle/2014.oak/9750
DOI
10.1063/1.4733475
ISSN
0003-6951
Article Type
Article
Citation
APPLIED PHYSICS LETTERS, vol. 101, no. 1, 2012-07-02
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한해욱HAN, HAEWOOK
Dept of Electrical Enginrg
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