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Article-Journal

Highly Sensitive Terahertz Thin-Film Total Internal Reflection Spectroscopy Reveals in Situ Photoinduced Structural Changes in Methylammonium Lead Halide Perovskites
Terahertz (THz) thin-film total internal reflection (TF-TIR) spectroscopy is shown to have an enhanced sensitivity to the vibrational …
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Subwavelength hyperspectral THz studies of articular cartilage
Terahertz-spectroscopy probes dynamics and spectral response of collective vibrational modes in condensed phase, which can yield …
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Non-destructive plasma frequency measurement for a semiconductor thin film using broadband surface plasmon polaritons
Measurement of the plasma frequency of a semiconductor film using broadband surface plasmon is demonstrated in this paper. We …
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Compressed sensing with near-field THz radiation
We demonstrate a form of near-field terahertz (THz) imaging that is compatible with compressed sensing algorithms. By spatially …
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Subwavelength Terahertz Imaging of Graphene Photoconductivity
Using a spatially structured, optical pump pulse with a terahertz (THz) probe pulse, we are able to determine spatial variations of the …
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Investigation of terahertz surface plasmon modulation with optical injection of free carriers
Optical modulation of terahertz surface plasmon polaritons (THz SPPs) propagating in an intrinsic indium antimonide surface is …
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Noninvasive, near-field terahertz imaging of hidden objects using a single-pixel detector
Terahertz (THz) imaging can see through otherwise opaque materials. However, because of the long wavelengths of THz radiation (lambda = …
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Detection of defects on the surface of a semiconductor by terahertz surface plasmon polaritons
We propose a new method for detecting small defects on the surface of a semiconductor by analyzing the transmission spectrum of …
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Enhanced THz transmission and imaging of a subwavelength slit via light-induced diffraction
We present measurements and analytical modeling which demonstrate enhanced THz transmission through a subwavelength aperture via …
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