Microelectromechanical Maltese-cross metamaterial with tunable terahertz anisotropy
, 2012 Dichroic polarizers and waveplates exploiting anisotropic materials have vast applications in displays and numerous optical components, such as filters, beamsplitters and isolators. Artificial anisotropic media were recently suggested for the realization
Zhu, W.M. +8 more
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Resonant Terahertz Field-effect Transistors for Spectroscopic Sensing Applications
, 2023 10661067We present a system concept which can enable spectroscopic sensing applications over a broad frequency range and with high speeds. To address spectral sensitivity at distinct frequency lines, we use antenna-coupled terahertz field-effect ...
Bauer, Maris +6 more
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Terahertz Metasurfaces: Toward Multifunctional and Programmable Wave Manipulation
Frontiers in Physics, 2020 Metasurfaces, composed of prearranged artificial unit cells possessing different electromagnetic (EM) responses, provide unprecedented abilities to realize versatile wave manipulations.
Han Wei Tian +5 more
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Application of terahertz spectroscopy to the characterization of biological samples using birefringence silicon grating [PDF]
, 2012 We present a device and method for performing vector transmission spectroscopy on biological specimens at terahertz (THz) frequencies. The device consists of artificial dielectric birefringence obtained from silicon microfluidic grating structures. The
Saha, S.C. +3 more
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Terahertz sensing with meta-surfaces and integrated circuits
, 2022 Art. 858507Many applications of terahertz technology are concerned with sensing of substances such as drugs, chemical compounds, explosives and much more. For this purpose, low-cost terahertz measurement systems are desired. In this respect, metasurfaces
Rahm, M. +7 more
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All-silicon terahertz components towards efficient integrated systems
, 2020 Efficient integrated systems can be considered as a next milestone for practical applications of terahertz technology. Various types of integrated platforms have been directly scaled from either the microwave or optical domain, with benefits and ...
Weijie Gao +5 more
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Metasurface-Based Multidimensional Light-Field Manipulation: From Technologies to Applications. [PDF]
Adv Sci (Weinh)Multidimensional metasurfaces enable versatile manipulation of multiple optical degrees of freedom, including phase, amplitude, polarization, wavelength, and orbital angular momentum. This review summarizes their fundamental mechanisms, emerging strategies for multidimensional lightâfield control, and key applications in optical computing, imaging ...
Yin H +6 more
europepmc +2 more sources
Second-order bandpass frequency selective surface for terahertz applications
, 2014 In this paper, a two-layered frequency selective surface with miniaturized elements is proposed for millimeter wave and terahertz applications. The advantages of this design are a harmonic free transmission response and low sensitivity of its frequency ...
Abbott, D. +7 more
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6.2-GHz modulated terahertz light detection using fast terahertz quantum well photodetectors
Scientific Reports, 2017 The fast detection of terahertz radiation is of great importance for various applications such as fast imaging, high speed communications, and spectroscopy.
Hua Li +9 more
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High resolution waveguide terahertz time-domain spectroscopy
, 2022 S.1267-1284Terahertz time-domain spectroscopy accesses the frequency range between 100 GHz and 5 THz by using the coherent generation and detection based on femtosecond laser sources.
Melinger, J.S., Theuer, M.
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