Results 21 to 30 of about 157,954 (272)
Frontiers in Physics, 2021 The spatiotemporal distribution of terahertz (THz) radiation from plasma has been demonstrated with the technology of THz focal-plane imaging. It has been found that the spatiotemporal distribution will vary with the frequency, as well as the length of ...
Erli Wang +15 more
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Liquid Crystal-Tuned Planar Optics in Terahertz Range
Applied Sciences, 2023 Recently, terahertz waves of higher frequencies compared to microwave and radio frequency have shown great potential in radar detection and high-speed wireless communication. To spatially control the wavefront of terahertz beams, various novel components,
Hongguan Yu +4 more
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Terahertz near-field microscopy based on an air-plasma dynamic aperture
Light: Science & Applications, 2022 A THz near-field technique was proposed based on an air-plasma dynamic aperture, which can achieve sub-wavelength THz imaging without approaching the sample with any devices.
Xin-ke Wang +5 more
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Novel electrically resonant terahertz metamaterials [PDF]
Photonic Metamaterials: From Random to Periodic, 2006 We present a new class of artificial materials which exhibit a tailored response to the electrical component of electromagnetic radiation. These electric metamaterials (EM-MMs) are investigated theoretically, computationally, and experimentally using terahertz time-domain spectroscopy.
Willie J. Padilla +5 more
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Terahertz Spectral Properties of 5-Substituted Uracils
Sensors, 2021 Applications of terahertz time-domain spectroscopy (THz-TDS) in the fields of chemistry and biomedicine have recently received increased attention. Specifically, THz-TDS is particularly effective for the identification of alkaloid molecules, because it ...
Kaixuan Li, Ding Li, Yan Zhang
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Complementary planar terahertz metamaterials
Optics Express, 2007 Planar electric split ring resonator (eSRR) metamaterials and their corresponding inverse structures are designed and characterized computationally and experimentally utilizing finite element modeling and THz time domain spectroscopy. A complementary response is observed in transmission.
Hou‐Tong Chen +6 more
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Research progress in terahertz metamaterials and their applications in imaging
Cailiao gongcheng, 2020 Electromagnetic metamaterials have attracted more and more research interest due to their exotic physical properties and important applications in manipulating electromagnetic waves.
FU Xiao-jian, SHI Lei, CUI Tie-jun
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Programmable Terahertz Metamaterials with Non‐Volatile Memory
Laser & Photonics reviews, 2021 Spatial light modulators (SLMs) exhibit a powerful capability of controlling electromagnetic waves. They are found to have numerous applications at terahertz (THz) frequencies, including wireless communication, digital holography, and compressive imaging.
Benwen Chen +10 more
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Terahertz nonlinear superconducting metamaterials [PDF]
Applied Physics Letters, 2013 We investigate the nonlinear effect of a planar superconducting metamaterial made from niobium nitride (NbN) at terahertz frequencies. As the variation of the incident intense terahertz field alters the intrinsic conductivity in the NbN, a consequent giant amplitude modulation is observed due to the strong nonlinearities.
Zhang, Caihong +9 more
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Extraordinarily Transparent Metaldielectrics for Infrared and Terahertz Applications
Advanced Photonics Research, 2022 Metamaterials are extremely important in advanced technologies, but usually, they rely on the resonant behavior of their constituent blocks. This strongly limits the application of metamaterials to particular frequency band ranges. However, metamaterials
Xiaofei Xiao +5 more
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