Results 201 to 210 of about 5,311 (260)

Spin and Orbital Angular Momentum Lasing from Phase-gradient Plasmonic Lattices. [PDF]

Nat Commun
Hong C, Zheng Z, Patel SK, Odom TW.
europepmc   +1 more source

Developing and examining a compact dual band circularly polarized ultra-wideband antenna covering C-band and X-band applications. [PDF]

Sci Rep
Kolusu D, Nanda S.
europepmc   +1 more source

Nanophotonic waveguide chip-to-world beam scanning. [PDF]

Nature
Saha M, Wen YH, Greenspon AS, Zimmermann M, Palm KJ, Witte A, Goh YM, Li C, Bumstead J, Schädler K, Fortin R, Dong M, Leenheer AJ, Clark G, Gilbert G, Eichenfield M, Englund D.   +16 more
europepmc   +1 more source

Orbital frontiers: harnessing higher modes in photonic simulators. [PDF]

Nanophotonics
Noh J, Schulz J, Benalcazar W, Jörg C.
europepmc   +1 more source

Phase-matched electron-photon interactions enabled by 3D-printed helical waveguides. [PDF]

Nanophotonics
Taleb M, Samadi M, Talebi N.
europepmc   +1 more source

Experimental observation of non-Hermitian phase transitions using laser-induced thermoacoustics. [PDF]

Nat Commun
Zhang H, Fan R, Xiong W, Sun K, Zhang A, Zhang Z, Shao C, Ma C, Bai Y, Cheng Y, Peng R, Liu X, Christensen J.   +12 more
europepmc   +1 more source

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Reactance of Posts in Circular Waveguide

IEEE Transactions on Microwave Theory and Techniques, 2007
Experimental and numerical simulation results are presented for the reactance of centered variable-height single and double posts in a circular waveguide. The reactance is a function of the waveguide and post dimensions and frequency, and the results presented are useful in the design of a variety of circular waveguide devices involving these elements.
Michael J Nève
exaly   +2 more sources

Rectangular waveguide diplexers with a circular waveguide common port

IEEE Transactions on Microwave Theory and Techniques, 2003
Design of rectangular waveguide diplexers with a circular waveguide common port is presented. Ridged H- and E-plane circular-to-rectangular-waveguide T-junctions are proposed as an optimum diplexing manifold. Full-wave optimization is used in the diplexer design.
K A Zaki
exaly   +2 more sources

Scattering at the junction of a rectangular waveguide and a larger circular waveguide

IEEE Transactions on Microwave Theory and Techniques, 1995
A full wave, formally exact solution is obtained for the problem of scattering at the junction of a rectangular waveguide and a larger circular waveguide. The general case of an arbitrary offset of the waveguide axes is considered. E-field mode matching over the rectangular aperture of the smaller guide is facilitated by a transformation of the ...
R H Macphie, Ke-Li Wu
exaly   +2 more sources

Transmission characteristics of circular waveguide with coaxial-to-circular waveguide transitions

2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2015
The reflection and transmission characteristics of a circular waveguide with coaxial-to-circular waveguide transitions are evaluated using Galerkin's method of moments. Because of the axisymmetric structure as well as the assumption of a TEM-mode incident wave, which is an axisymmetric mode, the scattered waves from the structural discontinuities can ...
Tetsuya Yamamoto, Kei Urabe, Hiroshi Tsuda   +2 more
openaire   +1 more source