Results 11 to 20 of about 177,961 (269)

Metallic Coaxial Nanolasers [PDF]

open access: yesAdvances in Physics: X, 2016
The last two decades have witnessed tremendous advancements in the area of nanophotonics and plasmonics. Undoubtedly, the introduction of metallic structures has opened a path towards light confinement and manipulation at the subwavelength scale { a ...
Fainman, 1 Yeshaiahu   +4 more
core   +3 more sources

Coaxial waveguide MRI [PDF]

open access: yesMagnetic Resonance in Medicine, 2011
AbstractAs ultrahigh‐field MR imaging systems suffer from the standing wave problems of conventional coil designs, the use of antenna systems that generate travelling waves was suggested. As a modification to the original approach, we propose the use of a coaxial waveguide configuration with interrupted inner conductor.
Alt, Stefan   +6 more
openaire   +3 more sources

Thresholdless nanoscale coaxial lasers [PDF]

open access: yesNature, 2012
The generation of coherent radiation in nanostructures has attracted considerable interest in recent years owing both to the quantum electrodynamical effects that emerge in small volumes, and to their potential for future applications. The progress towards exploring this size regime, however, has been hindered by the lack of a systematic approach to ...
Khajavikhan, M.   +7 more
openaire   +3 more sources

Controlling Shapes in a Coaxial Flow Focusing Microfluidic Device: Experiments and Theory

open access: yesMicromachines, 2020
A coaxial flow focusing PDMS (polydimethylsiloxane) microfluidic device has been designed and manufactured by soft lithography in order to experimentally study a miscible inner flow.
Romen Rodriguez-Trujillo   +2 more
doaj   +1 more source

The Application of Micro Coaxial Rotorcraft in Warfare: An Overview, Key Technologies, and Warfare Scenarios

open access: yesIEEE Access, 2022
The mode of future wars is mainly local wars and regional conflicts. This style of war is characterized by unpredictability and instability, which can happen anytime and anywhere.
Zhigang Wang   +5 more
doaj   +1 more source

Computational Design of a Broadband In-Line Coaxial-to-Rectangular Waveguide Transition

open access: yesApplied Sciences, 2023
This Communication presents a computational design approach for a broadband in-line coaxial-to-rectangular waveguide transition having a 2.83:1 bandwidth. Existing designs have a bandwidth ranging from 1.36:1 to 2:1. The proposed transition consists of a
Qiongyue Zhang   +9 more
doaj   +1 more source

Development and Characterization of Fiber-Based Pressure Sensors

open access: yesProceedings, 2018
The integration of strand-based pressure sensors directly into woven textiles is a promising strategy to maintain textile properties, such as the flexibility, and to functionalize fabrics.
Justus Landsiedel   +2 more
doaj   +1 more source

A comparison of coaxial and conventional rotor performance [PDF]

open access: yes, 2009
The performance of a coaxial rotor in hover, in steady forward flight, and in level, coordinated turns is contrasted with that of an equivalent, conventional rotor with the same overall solidity, number of blades, and blade aerodynamic properties.
Brown, Brown, Kim, Landgrebe, Newman
core   +1 more source

Hovering of coaxial Trirotor helicopter constructed with coaxial mechanism driven by a motor

open access: yesNihon Kikai Gakkai ronbunshu, 2014
This paper proposes a coaxial trirotor helicopter constructed with coaxial mechanism driven by one motor. There two types of trirotor unmanned aerial vehicles (UAVs) are existed.
Yoshihiro TAKITA   +2 more
doaj   +1 more source

Resonance Features in the Allowed and Forbidden Bands of Microwave Coaxial Bragg Structures with Periodically Alternating Dielectric Filling [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2020
Background and Objectives: Microwave Bragg structures are used to create various types of microwave devices, including tunable resonators, directional couplers, miniature antennas, matched loads, various types of microwave filters with controlled ...
Skripal, Alexander Vladimirovich   +3 more
doaj   +1 more source

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