Results 31 to 40 of about 80,934 (296)

Methodology for High Purity Broadband Near-Unity THz Linear Polarization Converter and its Switching Characteristics

IEEE Access, 2020
Terahertz (THz) polarization converter with high purity of linear polarization conversion, broader conversion band and near-unity conversion efficiency is one of the main research interests in the photonic field.
Jianguo Zhang, Jinping Tian, Shuyuan Xiao, Lu Li   +3 more
doaj   +1 more source

Polarization conversion spectroscopy of hybrid modes [PDF]

Optics Letters, 2009
Enhanced polarization conversion in reflection for the Otto and Kretschmann configurations is introduced as a new method for hybrid-mode spectroscopy. Polarization conversion in reflection appears when hybrid-modes are excited in a guiding structure composed of at least one anisotropic media. In contrast to a dark dip, in this case modes are associated
Nikitin, A. Yu., Artigas, David, Torner, Lluis, Garcia-Vidal, F. J., Martin-Moreno, L.   +4 more
openaire   +3 more sources

Polarization conversion in a silica microsphere

Optics Express, 2007
RevTeX4, 7 pages, 4 figures.
Bianucci, Pablo, Fietz, Chris, Robertson, John W., Shvets, Gennady, Shih, Chih-Kang   +4 more
openaire   +3 more sources

Full-space polarization conversion of electromagnetic waves at terahertz frequency based on metasurface

Materials Research Express, 2022
In this paper, a full-space electromagnetic wave polarization converter working in the terahertz frequency was put forward, and its physical mechanism was also analyzed.
Xunyong Pan, Yingji Mao, Ziyi Zhu, Aoli Liu   +3 more
doaj   +1 more source

Multifunctional reconfigurable reflective metasurface for polarization conversion. [PDF]

Sci Rep
Multifunctional and reconfigurable metasurfaces are increasingly important as they facilitate the dynamic manipulation of electromagnetic waves, enabling adaptive responses to varying communication requirements and environmental conditions-a characteristic feature of 6G networks.
Neema K, Krishna DD.
europepmc   +3 more sources

Dual-band and high-efficiency metasurface-based circular-to-linear polarization converter.

PLoS ONE, 2023
In this paper, to achieve circular-to-linear polarization conversion, a novel polarization converter based on an anisotropic metasurface is proposed.
Baoqin Lin, Wenzhun Huang, Jianxin Guo, Yanwen Wang, Rui Zhu, Xiang Ji   +5 more
doaj   +1 more source

A waveguide polarization toolset design based on mode beating [PDF]

, 2011
A toolset of waveguide elements is examined, which can be combined to produce polarization functional devices in a single contiguous waveguide. In particular, waveguide implementations of an optical isolator and a polarization modulator are discussed ...
Hutchings, D.C., David C Hutchings, Barry M Holmes, Holmes, B.M.   +3 more
core   +1 more source

Highly efficient broadband anisotropic metasurface for cross polarization conversion operating in the terahertz band

, 2023
Terahertz (THz) band has been attracting an enormous reputation due to the paucity of natural materials in this range. Artificially flat thin films, called metasurfaces, plead the research community owing to their unprecedented features to manipulate the
Massoud, Yehia Mahmoud, Bilal, Rana Muhammad Hasan, Madni, Abdullah, Zakir, Subhan   +3 more
core   +1 more source

Polarization conversion when focusing cylindrically polarized vortex beams [PDF]

Scientific Reports, 2016
AbstractCurrently, cylindrical beams with radial or azimuthal polarization are being used successfully for the optical manipulation of micro- and nano-particles as well as in microscopy, lithography, nonlinear optics, materials processing, and telecommunication applications.
Alexey P. Porfirev, Andrey V. Ustinov, Svetlana N. Khonina   +2 more
openaire   +3 more sources

Proposal for a simple polarization converter based on integrated optical ion exchanged waveguide [PDF]

, 2010
A simple, compact, low-cost electro-optic polarization converter based on a nematic liquid crystal (LC) sandwiched between two ion-exchanged glass channel waveguides is proposed.
Zheng, Jie, Farrell, G., null Pengfei Wang, null Qiang Wu, Semenova, Y., Semenova, Yuliya, Brambilla, G., G. Brambilla, Wu, Qiang, Brambilla, Gilberto, G. Farrell, Farrell, Gerald, Y. Semenova, Wang, Pengfei, null Jie Zheng   +14 more
core   +1 more source