Results 71 to 80 of about 32,036 (281)
IEEE Access, 2021 Based on high efficiency and wide spectral splitter film and Fresnel lens, we have theoretically investigated a full solar-spectrum power-generation system. Designed nano-multilayers are fabricated on Fresnel lens. Then short wavelengths (400 nm ~
Dong Wang, Houzhi Cai, Ou Yang
doaj +1 more source
Diffraction Analysis of 2-D Pupil Mapping for High-Contrast Imaging
, 2005 Pupil-mapping is a technique whereby a uniformly-illuminated input pupil, such as from starlight, can be mapped into a non-uniformly illuminated exit pupil, such that the image formed from this pupil will have suppressed sidelobes, many orders of ...
Carney P. S. +3 more
core +1 more source
Performance Modeling of Fresnel-Based CPV Systems: Effects of Deformations under Real Operation Conditions [PDF]
, 2011 Getting a lower energy cost has always been a challenge for concentrated photovoltaic. The FK concentrator enhances the performance (efficiency, acceptance angle and manufacturing tolerances) of the conventional CPV system based on a Fresnel primary ...
Benitez Gimenez, Pablo +9 more
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Energy Science &Engineering, EarlyView.This study aims to conduct a performance comparison of irradiation and temperature on different commercially available PV modules like PPVM, MPVM, LPVM, and BPVM. Here, the TPVM is not considered in the analysis due to its toxic nature. This study has considered the LPVM because researchers have not focused on it due to the higher area requirement for ...
Meenatchi Sundaram Palanisamy +7 more
wiley +1 more source
Energies, 2022 It is well established that renewable energy resources for electricity generation are free. In hot areas, solar energy has become one of the major interests of researchers and specialists. This paper aims to experimentally investigate the maximum voltage
Mohammed A. Qasim +2 more
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The self-focusing Fresnel-Dammann grating and the Fresnel binary CGH for compact 2-D light spot array generation [PDF]
, 1993 The authors have described the design and demonstrated the performance of two types of lensless array generator. The Self-focusing Fresnel-Dammann grating (SFD), and the Fresnel hologram.
Carey, C.D. +3 more
core
Multiwavelength polarization insensitive lenses based on dielectric metasurfaces with meta-molecules [PDF]
, 2016 Metasurfaces are nano-structured devices composed of arrays of subwavelength scatterers (or meta-atoms) that manipulate the wavefront, polarization, or intensity of light.
Arbabi, Amir +4 more
core +3 more sources
Energy Science &Engineering, EarlyView.This study explores the potential of solar PV and concentrating PV (CPV) technologies as sustainable energy solutions for Nigeria, highlighting their suitability in transitioning away from fossil fuels. By harnessing abundant solar resources, these technologies offer efficient, clean, and locally adaptable alternatives, supporting energy security ...
Sani Mohammed Lawal +4 more
wiley +1 more source
Optical Tests on a Curve Fresnel Lens as Secondary Optics for Solar Troughs
International Journal of Photoenergy, 2017 A curve Fresnel lens is developed as secondary concentrator for solar parabolic troughs to reduce the number of photovoltaic cells. Specific measurements and optical tests are used to evaluate the optical features of manufactured samples. The cylindrical
D. Fontani +5 more
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Nature Communications, 2022 X-ray diffractive and refractive optical elements suffer from chromatic aberrations, limiting high-resolution X-ray microscopes mainly to bright synchrotron sources.
Adam Kubec +5 more
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