Results 31 to 40 of about 1,179,244 (300)

Advances in Meta-Optics and Metasurfaces: Fundamentals and Applications

open access: yesNanomaterials, 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   +9 more
doaj   +1 more source

Efficient polarization squeezing in optical fibers [PDF]

open access: yesEQEC '05. European Quantum Electronics Conference, 2005., 2005
4 pages, 4 ...
Heersink, Joel   +3 more
openaire   +5 more sources

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

open access: yesLight: 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   +8 more
doaj   +1 more source

Optical Antennas for Enhanced Efficiency

open access: yesSolar Energy: New Materials and Nanostructured Devices for High Efficiency, 2008
High efficiency solutions for photovoltaics requires taking advantage of IR photons energy. Possible solutions are based on up-conversion processes which have a low cross section. We will discuss different solutions to enhance the absorption.
Esteban, Ruben   +2 more
openaire   +2 more sources

Investigating ultrasound–light interaction in scattering media [PDF]

open access: yes, 2020
Significance: Ultrasound-assisted optical imaging techniques, such as ultrasound-modulated optical tomography, allow for imaging deep inside scattering media. In these modalities, a fraction of the photons passing through the ultrasound beam is modulated.
Brake, Joshua   +4 more
core  

Prototype of lineal solar collector Fresnel

open access: yesVisión Electrónica, 2020
The development of a prototype linear solar collector Type Fresnel, has a purpose the use of direct solar heat radiation for water heating and/or steam production, as an alternative to supply conventional water heating systems or steam generators, which ...
Brayan Eduardo Tarazona-Romero   +4 more
doaj   +1 more source

Efficient collective communication in optical networks

open access: yesTheoretical Computer Science, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
J. C. BERMOND   +4 more
openaire   +4 more sources

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

open access: yesEnergies
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

Partially Nondestructive Continuous Detection of Individual Traveling Optical Photons [PDF]

open access: yes, 2015
We report the continuous and partially nondestructive measurement of optical photons. For a weak light pulse traveling through a slow-light optical medium (signal), the associated atomic-excitation component is detected by another light beam (probe) with
Beck, Kristin M.   +4 more
core   +2 more sources

Investigation of the Optical Performance of a Novel Planar Static PV Concentrator with Lambertian Rear Reflectors

open access: yesBuildings, 2017
Due to the demands for energy saving and environmental conservation, the development of sustainable zero-carbon buildings has become an inevitable trend.
Xiao Liu   +3 more
doaj   +1 more source

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