Results 41 to 50 of about 5,194 (200)

Polarization-insensitive broadband omni-directional anti-reflection in ZnO nanoneedle array for efficient solar energy harvesting

, 2022
Broadband omni-directional anti-reflection characteristics have been an important issue because they can maximize the optical absorption in photovoltaic devices.
Choi, Hyeon-Seo, Ko, Minjee, Baek, Seong-Ho, Cho, Chang-Hee   +3 more
core   +1 more source

Polarization-Insensitive, High-Efficiency Metasurface with Wide Reception Angle for Energy Harvesting Applications

Sensors
This research presents an innovative polarization-insensitive metasurface (MS) harvester designed for energy harvesting applications at 5 GHz, capable of operating efficiently over wide reception angles.
Abdulrahman Ahmed Ghaleb Amer, Nurmiza Othman, Mohammed M. Bait-Suwailamn, Syarfa Zahirah Sapuan, Ali Ahmed Ali Salem, Adeb Salh   +5 more
doaj   +1 more source

Broadband with enhanced oblique incidence metamaterial absorber

Materials Research Express, 2020
In this paper, we present a broadband metamaterial absorber with excellent performances of oblique incidence and polarization insensitivity for enhancing the absorptance of electromagnetic waves at oblique incidence.
Xia Ma, Feng Tian, Xiaoyan Li, Liang Guo, Xiaojun Huang   +4 more
doaj   +1 more source

Ultra-broadband mid-infrared absorber based on hyperbolic α-MoO3

Results in Physics, 2023
Owing to their broad operational bandwidth, broadband absorbers are extensively used in various applications, such as solar cells, microbolometers, and light modulators.
Jiaqi Zhu, Le Cheng, Jun Liang, Yanyu Zhao, Youning Gong, Yupeng Zhang, Guo Ping Wang   +6 more
doaj   +1 more source

Polarization-insensitive silicon nitride arrayed waveguide grating

, 2019
Next-generation passive optical networks require integrated, polarization-insensitive wavelength-division multiplexing solutions, for which the recently emerging low-loss silicon nitride nanophotonic platforms hold great potential.
Shi, Wei, Chen, Yuxuan, Ménard, Michaël, Han, Qi, St-Yves, Jonathan   +4 more
core   +1 more source

Toroidal‐Dipole‐Driven Polarization‐Selective Quasi‐BICs Enabling Wide‐Angle Near‐Field Image Display in Dielectric Metasurfaces

Advanced Physics Research
Polarization‐dependent optical components are crucial for advanced photonic information processing, yet conventional bound state in continuum (BIC) metasurfaces lack intrinsic polarization selectivity and angle insensitivity.
Xueheng Yan, Dewang Huo, Haiyang Huang, Yang Jiao, Wei Li, Zengfeng Di   +5 more
doaj   +1 more source

MEMS Technology for Optical Switching

Walailak Journal of Science and Technology, 2012
Over the last ten years, microelectromechanical systems (MEMS) devices have received attention in many application areas such microwave, wireless, and optical networks. Especially in optical networks, MEMS technology is employed to provide the advantages
Kornkamol THAKULSUKANANT
doaj   +1 more source

Polarization-Insensitive and Tunable Silicon Mach–Zehnder Wavelength Filters With Flat Transmission Passband

IEEE Photonics Journal, 2018
In this paper, an integrated polarization-insensitive optical comb filter with flat passband and tunable central wavelength is designed based on cascaded Mach–Zehnder structure.
Xiuling Deng, Lianshan Yan, Hengyun Jiang, Xia Feng, Wei Pan, Bin Luo   +5 more
doaj   +1 more source

Metamaterial Perfect Absorbers for Controlling Bandwidth: Single-Peak/Multiple-Peaks/Tailored-Band/Broadband

Crystals, 2023
Metamaterial absorbers have garnered significant interest due to their unique electromagnetic properties, which facilitate the efficient absorption of electromagnetic radiation in a specific frequency range or multiple frequency ranges.
Haiyu Zheng, Thanh Son Pham, Liangyao Chen, Youngpak Lee   +3 more
doaj   +1 more source

Cylindrical polymer optical waveguides with polarization independent performance

, 2017
Heating of poly(methyl methacrylate) ridge optical waveguides slightly above glass transition temperature minimizes surface roughness and provides cylindrical shape.
Udalcovs, Aleksejs,, Jacobsen, Gunnar,, Marinins, A.,, Pang, Xiaodan,, Kakkar, Aditya,, Schatz, Richard,, Popov, Sergei,, Navarro, Jaime Rodrigo,, Ozolins, Oskars,   +8 more
core   +2 more sources