Results 1 to 10 of about 37,303 (161)

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

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   +2 more sources

Simple design of efficient broadband multifunctional polarization converter for X-band applications [PDF]

Scientific Reports, 2021
A simple design of a broadband multifunctional polarization converter using an anisotropic metasurface for X-band application is proposed. The proposed polarization converter consists of a periodic array of the two-corner-cut square patch resonators ...
Thi Kim Thu Nguyen, Thi Minh Nguyen, Hong Quang Nguyen, Thanh Nghia Cao, Dac Tuyen Le, Xuan Khuyen Bui, Son Tung Bui, Chi Lam Truong, Dinh Lam Vu, Thi Quynh Hoa Nguyen   +9 more
doaj   +2 more sources

A Metasurface-Based LTC Polarization Converter with S-Shaped Split Ring Resonator Structure for Flexible Applications [PDF]

Sensors, 2023
This paper presents a metasurface-based linear-to-circular polarization converter with a flexible structure for conformal and wearable applications. The converter consists of nested S- and C-shaped split ring resonators in the unit cell and can convert ...
Erfeng Li, Xue Jun Li, Boon-Chong Seet, Adnan Ghaffar, Aayush Aneja   +4 more
doaj   +2 more sources

Bandwidth broadening of a linear polarization converter by near-field metasurface coupling [PDF]

Scientific Reports, 2017
We experimentally demonstrate a highly efficient, broadband linear polarization converter functioning at terahertz frequencies. The linear polarization converter is composed of three metasurfaces and two dielectric layers interlaced with each other.
Xi Gao, Leena Singh, Wanli Yang, Jingjing Zheng, Haiou Li, Weili Zhang   +5 more
doaj   +2 more sources

A Waveguide Polarization Toolset Design Based on Mode Beating [PDF]

IEEE Photonics Journal, 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 ...
David C. Hutchings, Barry M. Holmes
doaj   +3 more sources

A thin, wideband transmissive cross polarization converter [PDF]

Scientific Reports
This study presents a very thin wideband linear polarization converter in transmission mode with near-unity conversion efficiency. The suggested converter consists of a periodic array on a single-layer substrate, two metallic layers and six vias ...
Negin Pouyanfar, Javad Nourinia, Changiz Ghobadi, Vahid Nayyeri   +3 more
doaj   +2 more sources

Metamaterial Polarization Converter Analysis: Limits of Performance [PDF]

Applied Physics B, 2012
In this paper we analyze the theoretical limits of a metamaterial converter that allows for linear-to- elliptical polarization transformation with any desired ellipticity and ellipse orientation.
A. Drezet, A. Pors, A. Roberts, A.C. Strikwerda, A.C. Strikwerda, Andrei Andryieuski, Andrei V. Lavrinenko, C. Sabah, D. Molter, D.-H. Kwon, Dmitry L. Markovich, F. Wang, J. Hao, J. Hao, J.B. Masson, J.K. Gansel, J.Y. Chin, J.Y. Chin, M. Mutlu, M. Tonouchi, Maksim Zalkovskij, P. Weis, P.U. Jepsen, R. Singh, Radu Malureanu, S.C Saha, S.X. Li, T. Arikawa, T. Kleine-Ostmann, T. Li, W. Sun, X.G. Peralta, Y. Zhao   +32 more
core   +2 more sources

A Broadband Millimeter-Wave Circularly Polarized Folded Reflectarray Antenna Based on Transmissive Linear-to-Circular Polarization Converter [PDF]

Micromachines
In this paper, a wideband circularly polarized folded reflectarray antenna (CPFRA) based on a transmissive linear-to-circular polarization converter is proposed. The CPFRA consists of a primary reflector and a sub-reflector.
Yue Cao, Zhuwei Wang, Qing Wang, Mingzhu Du, Miaojuan Zhang   +4 more
doaj   +2 more sources

Broadband multifunctional polarization converter based on graphene and vanadium dioxide metasurfaces along with analytical methods [PDF]

Scientific Reports
In this paper, a tunable broadband multifunctional polarization converter based on graphene and vanadium dioxide (VO2) is designed. When VO2 is in the metallic state, the structure has the functions of three-band linear to linear and two-band linear to ...
Saman Heidari, Najmeh Nozhat
doaj   +2 more sources

Switchable linear to circular polarization conversion in reflection and transmission modes based on vanadium-dioxide [PDF]

Scientific Reports
A design of a switchable dual-mode linear-to-circular polarization converter (LTC-PC) in the terahertz (THz) band is reported based on vanadium dioxide (VO2).
Eman M. Eldesouki, Ahmed Elsayed Abouelez   +1 more
doaj   +2 more sources