Plasmonic Nanolenses with Tunable Thickness: Enhanced Near-Field Focusing via Rim-Localized Light Absorption and Energy Transfer to a Central Nanochannel.
Sign Up to like & getrecommendations! Published in 2025 at "Small"
DOI: 10.1002/smll.202508999
Abstract: Herein, the rational design and implementation of a modular chemical toolkit involving on-demand synthetic steps are reported, enabling the fabrication of plasmonic gold (Au) nanolenses consisting of 2D hexagonal nanoplates (NPLs) with central porous domains.… read more here.
Keywords: tunable thickness; thickness; absorption; field focusing ... See more keywords
Structured light-field focusing for flowfield diagnostics
Sign Up to like & getrecommendations! Published in 2017 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2017.08.003
Abstract: Abstract A novel structured light-field focusing system is developed for flowfield measurements and visualization. The imaging technique provides true planar, two-dimensional, refractive measurements of flow structures. The innovative method is based on the light-field principle… read more here.
Keywords: field focusing; technique; structured light; system ... See more keywords
Au nanolenses for near-field focusingâ€
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Science"
DOI: 10.1039/d1sc00202c
Abstract: We report a novel strategy for the synthesis of Pt@Au nanorings possessing near-field focusing capabilities at the center through which single-particle surface enhanced Raman scattering could be readily observed. We utilized Pt@Au nanorings as a… read more here.
Keywords: field focusing; nanolenses near; field; near field ... See more keywords
Au-Ag controllable composition nanoalloying of hexagonal nanoplates: heterogeneous interfacial nanogaps enhance near-field focusing.
Sign Up to like & getrecommendations! Published in 2025 at "Nanoscale"
DOI: 10.1039/d5nr01140j
Abstract: In this study, we present a novel strategy for fabricating binary-array surface-enhanced Raman scattering (SERS) substrates composed of gold (Au) and silver (Ag) plasmonic hexagonal nanoplates (h-NPLs), functioning as a "nanoalloy" system. Using Au h-NPLs… read more here.
Keywords: field; interfacial nanogaps; heterogeneous interfacial; hexagonal nanoplates ... See more keywords
Terahertz Near-Field Focusing Using a 3-D Printed Cassegrain Configuration for Backscattered Side-Channel Detection
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2922758
Abstract: This paper presents the use of terahertz near-field focusing for backscatter side-channel detection. Near-field focusing is done by using a Cassegrain reflector configuration. The focuser is designed to produce the focused beam 28 cm away… read more here.
Keywords: field; field focusing; near field; side channel ... See more keywords
Hybrid Magnetic Sensor Combined With a Tunnel Magnetoresistive Sensor and High-Temperature Superconducting Magnetic-Field-Focusing Plates
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Applied Superconductivity"
DOI: 10.1109/tasc.2018.2874354
Abstract: Magnetoresistive (MR) sensors are widely used, particularly in consumer products. However, in applications requiring extremely sensitive magnetic sensors, superconducting quantum interference devices (SQUIDs) are primarily used. In this study, we develop a hybrid magnetic sensor… read more here.
Keywords: magnetic sensor; field focusing; hybrid magnetic; magnetic field ... See more keywords
Feeding Network Synthesis Method With Arbitrary I/O Ports for Near-Field Focusing Application
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2024.3385988
Abstract: A feeding network with arbitrary I/O ports and excitations is useful in wireless communication systems, especially in near-field focusing (NFF) scenarios, where the excitation weights should take the antenna position into consideration.In this brief, a… read more here.
Keywords: feeding network; arbitrary ports; network; field focusing ... See more keywords
Low-coupling reflective metasurfaces for accurate near-field focusing.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.516854
Abstract: Metasurface is a 2D metamaterial which manipulates electromagnetic wavefront by carefully designing the transmissive or reflective responses of the planar subwavelength structures. Despite various emerging new functionalities, one of the limitations of metasurfaces in practical… read more here.
Keywords: near field; coupling reflective; reflective metasurfaces; field focusing ... See more keywords
Recent Progress in the Synthesis of 3D Complex Plasmonic Intragap Nanostructures and Their Applications in Surface-Enhanced Raman Scattering
Sign Up to like & getrecommendations! Published in 2024 at "Biosensors"
DOI: 10.3390/bios14090433
Abstract: Plasmonic intragap nanostructures (PINs) have garnered intensive attention in Raman-related analysis due to their exceptional ability to enhance light–matter interactions. Although diverse synthetic strategies have been employed to create these nanostructures, the emphasis has largely… read more here.
Keywords: complex pins; plasmonic intragap; synthesis; intragap nanostructures ... See more keywords