Results 21 to 30 of about 38,986 (265)
Measurement and correction of two-sided freeform optical elements with combined tactile-optical metrology equipment [PDF]
EPJ Web of Conferences, 2019 Freeform optical elements are state of the art for several years to fabricate very high performance optical systems with the necessity of, e.g., strong folding in mirror system or correction of typical asymmetric aberrations in mirror systems as well as ...
Hartung Johannes +5 more
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Optical magnetic mirrors without metals
Optica, 2014 The reflection of an optical wave from a metal, arising from strong interactions between the optical electric field and the free carriers of the metal, is accompanied by a phase reversal of the reflected electric field. A far less common route to achieve high reflectivity exploits strong interactions between the material and the optical magnetic field ...
Liu, Sheng +11 more
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Nanophotonics, 2020 We propose a unique random metal nanohemisphere on mirror (NHoM) structure to tune the surface plasmon (SP) resonance in a flexible manner. The SP resonance peak was split into two peaks owing to the strong coupling between the SP mode in the metal ...
Okamoto Koichi +4 more
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Applied Sciences, 2020 The mirror unit installation error of the solar parabolic dish concentrator can adversely affect its optical performance causing optical intercept losses and hot spots on the absorber surface, which in turn affect safety.
Jian Yan, Youduo Peng, Duzhong Nie
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FDTD Simulation and Quantitative Analysis of Dipole Mirror Effect
Taiyuan Ligong Daxue xuebao, 2022 The local plasma resonance of noble metal nanoparticles can significantly enhance the visible light response of wide bandgap semiconductors, but the absorption coefficient of noble metal nanoparticles with small volume and strong scattering is low, which
Ting YANG +4 more
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Electrodeposition of mirror surface β-W films in molten CsF–CsCl–WO3
Electrochemistry Communications, 2021 In this study we report, for the first time, a thick β-W film with a mirror-like surface prepared through electrodeposition involving a CsF–CsCl eutectic melt combined with 2.0 mol% of WO3 at 773 K.
Xianduo Meng +2 more
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Isotope Effects in Switchable Metal-Hydride Mirrors [PDF]
Physical Review Letters, 1999 Measurements of optical reflectance, transmittance, and electrical resistivity on the switchable mirror systems YHx and YDx show that the absorption of hydrogen induces the same variations as that of deuterium. In both cases there is a weak transparency window for the metallic dihydride (dideuteride) phase and a yellowish transparency in the insulating
van Gogh, A.T.M. +2 more
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Suppression method for rebound amount of the internal mirror model of an SLR camera
Mechanical Engineering Journal, 2015 In this study, the rebound vibration characteristics of the internal mirror of an SLR camera are investigated using experimental models. The mechanism of the mirror rebound phenomena is tested by using four types of rectangular metal plate models.
Hiroki MATSUMOTO, Masaki HIRASHIMA
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Large Metal Mirrors for Atmospheric Telescopes
EPJ Web of Conferences, 2022 We are developing technologies in processing and metrology to fabricate a 1.4-meter aperture, aspherical surface Aluminium prototype mirror for Cherenkov Telescope Array. The aim is to fast process these large aperture mirrors at low cost. The technical development will ensure the high specifications on the surface quality.
Yu Guoyu +4 more
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Results in Physics, 2019 We propose two designs of plasmonic metamaterial mid-infrared (MIR) sensors, which are composed of metallic nanograting on SiO2 layer with a bottom mirror to form metal–insulator-metal (MIM) configurations.
Zhaokang Liang +5 more
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