Results 31 to 40 of about 5,815,790 (304)

Effect of the Orientation Schemes of the Energy Collection Element on the Optical Performance of a Parabolic Trough Concentrating Collector

Energies, 2018
While the circular shape is currently the proven optimum design of the energy collection element (ECE) of a parabolic trough collector, that is yet to be confirmed for parabolic trough concentrating collectors (PTCCs) like trough concentrating ...
Majedul Islam, Prasad Yarlagadda, Azharul Karim   +2 more
doaj   +1 more source

Attojoule-efficient graphene optical modulators

Applied Optics, 2018
arXiv admin note: text overlap with arXiv:1502.04672 by other ...
Rubab Amin, Zhizhen Ma, Rishi Maiti, Sikandar Khan, Jacob B. Khurgin, Hamed Dalir, Volker J. Sorger   +6 more
openaire   +3 more sources

Detection of second-order nonlinear optical magnetization by mapping normalized Stokes parameters [PDF]

, 2013
A measurable magnetic (nonlocal) contribution to the second harmonic generation (SHG) of nonmagnetic materials is an intriguing issue related to chiral materials, such as biomolecules.
Larciprete, Maria Cristina, Váró, György, Leahu Gregory, Sibilia, Concita, Gergely, Csilla, SIBILIA, Concetta, Fabio Antonio Bovino, Bovino, Fabio Antonio, Gyorgy Varo, Leahu, Gregory, Csilla Gergely, LEAHU, GRIGORE   +11 more
core   +1 more source

Efficient diffractive phase optics for electrons [PDF]

New Journal of Physics, 2014
Electron diffraction gratings can be used to imprint well-defined phase structure onto an electron beam. For example, diffraction gratings have been used to prepare electron beams with unique phase dislocations, such as electron vortex beams, which hold promise for the development of new imaging and spectroscopy techniques for the study of materials ...
Tyler R Harvey, Jordan S Pierce, Amit K Agrawal, Peter Ercius, Martin Linck, Benjamin J McMorran   +5 more
openaire   +2 more sources

Optical quorum cycles for efficient communication [PDF]

Photonic Network Communications, 2015
Many optical networks face heterogeneous communication requests requiring topologies to be efficient and fault tolerant. For efficiency and distributed control, it is common in distributed systems and algorithms to group nodes into intersecting sets referred to as quorum sets.
Cory J. Kleinheksel, Arun K. Somani
openaire   +3 more sources

Investigation of the Effect of Physical and Optical Factors on the Optical Performance of a Parabolic Trough Collector

Energies, 2017
The overall thermal performance of a Parabolic Trough Collector (PTC) depends on its optical performance, particularly the uniformity of the irradiance distribution and the resultant optical efficiency of the collector.
Majedul Islam, Sarah Miller, Prasad Yarlagadda, Azharul Karim   +3 more
doaj   +1 more source

Advances in Meta-Optics and Metasurfaces: Fundamentals and Applications

Nanomaterials, 2023
Meta-optics based on metasurfaces that interact strongly with light has been an active area of research in recent years. The development of meta-optics has always been driven by human’s pursuits of the ultimate miniaturization of optical elements, on ...
Kai Ou, Hengyi Wan, Guangfeng Wang, Jingyuan Zhu, Siyu Dong, Tao He, Hui Yang, Zeyong Wei, Zhanshan Wang, Xinbin Cheng   +9 more
doaj   +1 more source

Performance Analysis of a Micro-Photovoltaic Concentrator Designed for Automotive Applications

Energies
This research paper delves into the potential use of solar energy as an alternative energy source for future vehicles. The study introduces a system that overcomes the limitations of traditional solar panels by achieving a reduced thickness of less than ...
Salima El Ayane, Ali Ahaitouf
doaj   +1 more source

Metasurface-enabled on-chip multiplexed diffractive neural networks in the visible

Light: Science & Applications, 2022
A polarization-multiplexed metasurface-enabled diffractive neural network, which is integrated with a CMOS imaging sensor, demonstrates on-chip multi-channel sensing and multitasking in the visible.
Xuhao Luo, Yueqiang Hu, Xiangnian Ou, Xin Li, Jiajie Lai, Na Liu, Xinbin Cheng, Anlian Pan, Huigao Duan   +8 more
doaj   +1 more source

Simulation and Experimental Study on the Optical Performance of a Fixed-Focus Fresnel Lens Solar Concentrator Using Polar-Axis Tracking

Energies, 2018
Most sun-tracking systems of solar concentrators are expensive, sensitive to operational costs, and complicated in optical design in which the receiver must be free to rotate about the axis.
Hai Wang, Jin Huang, Mengjie Song, Yanxin Hu, Yunfeng Wang, Zijian Lu   +5 more
doaj   +1 more source