An Ultra‐Broadband High Efficiency Polarization Beam Splitter for High Spectral Resolution Polarimetric Imaging in the Near Infrared (Adv. Sci. 27/2022)
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202201227
Abstract: A broadband, high efficiency polarized beam splitter (PBS) metagrating based on integrated resonant units (IRUs) to enable simultaneous polarization analysis, spectral dispersion, and spatial imaging in the near infrared (NIR) is developed. A PBS metagrating… read more here.
Keywords: beam splitter; high efficiency; imaging near; polarization ... See more keywords
Broadband high‐efficiency power amplifier with compact coupling matching network
Sign Up to like & getrecommendations! Published in 2021 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32828
Abstract: This article presents the design of a broadband high‐efficiency power amplifier (PA) with a compact coupling structure. In theory, the output matching network impedance expression based on the compact coupling structure is derived. According to… read more here.
Keywords: broadband high; matching network; compact coupling; efficiency ... See more keywords
Broadband High-Efficiency Chiral Splitters and Holograms from Dielectric Nanoarc Metasurfaces.
Sign Up to like & getrecommendations! Published in 2019 at "Small"
DOI: 10.1002/smll.201900483
Abstract: Simultaneous broadband and high efficiency merits of designer metasurfaces are currently attracting widespread attention in the field of nanophotonics. However, contemporary metasurfaces rarely achieve both advantages simultaneously. For the category of transmissive metadevices, plasmonic or… read more here.
Keywords: high efficiency; phase; nanoarc metasurfaces; efficiency chiral ... See more keywords
Broadband and high-efficient L-shaped piezoelectric energy harvester based on internal resonance
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2019.06.009
Abstract: Abstract We exploit a 1:2 internal resonance in an L-shaped beam-mass structure for broadband and high-efficient energy harvesting. The geometric nonlinearities of the structure and piezoelectric materials are introduced to establish the electromechanical-coupled distributed parameter… read more here.
Keywords: internal resonance; energy harvester; broadband high; energy ... See more keywords
Broadband and high efficiency all-dielectric metasurfaces for wavefront steering with easily obtained phase shift
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.07.083
Abstract: Abstract All-dielectric metasurfaces for wavefront deflecting and optical vortex generating with broadband and high efficiency are demonstrated. The unit cell of the metasurfaces is optimized to function as a half wave-plate with high polarization conversion… read more here.
Keywords: phase shift; phase; broadband high; high efficiency ... See more keywords
Resolving Dirac electrons with broadband high-resolution NMR
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-14838-4
Abstract: Detecting the metallic Dirac electronic states on the surface of Topological Insulators (TIs) is critical for the study of important surface quantum properties (SQPs), such as Majorana zero modes, where simultaneous probing of the bulk… read more here.
Keywords: resolution; high resolution; electrons broadband; resolving dirac ... See more keywords
Broadband and High-Efficiency Manipulation of Transmitted Vortex Beams via Ultra-Thin Multi-Bit Transmission Type Coding Metasurfaces
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3033568
Abstract: A transmission-type digital coding metasurface with features of ultrathin thickness and high efficiency over a wide operating bandwidth is proposed. The proposed metasurface is composed of low profile cascaded meta-atoms that can control the cross-polarized… read more here.
Keywords: high efficiency; transmission type; vortex beams; broadband high ... See more keywords
Broadband, High Efficiency OMT in E-Band
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3180342
Abstract: A high-performance, broadband E-Band orthomode transducer (OMT) was designed and fabricated for a dedicated frequency converter. Cross-polarized signals between 71 and 86 GHz, received in a TE11 mode circular waveguide needed to be split into… read more here.
Keywords: omt band; high efficiency; broadband; broadband high ... See more keywords
A Broadband High-Efficiency Power Amplifier by Using Branch Line Coupler
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2020.3014222
Abstract: This presents a broadband high-efficiency power amplifier (PA). The branch line coupler is used to design the output circuits of the PA. By appropriately selecting the impedance conditions of terminal ports, the branch line coupler… read more here.
Keywords: high efficiency; line coupler; power; branch line ... See more keywords
Novel Design Space of Broadband High-Efficiency Parallel-Circuit Class-EF Power Amplifiers
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3177283
Abstract: This article proposes a broadband high-efficiency parallel-circuit (PC) class-EF power amplifier (PA) along with a quarter-wavelength stub for the first time. By adding a reactive element ${X}$ , the design space is expanded so that… read more here.
Keywords: high efficiency; circuit; power; efficiency ... See more keywords
Setup of a Broadband High-Current Measuring System for the Traceable Calibration of Current Transducers
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3232664
Abstract: In this work, we show the development of a broadband high-current measuring system for the traceable calibration of current transducers up to 2000 A. The system can generate a measurement current with frequencies up to… read more here.
Keywords: system; measuring system; high current; system traceable ... See more keywords