Results 41 to 50 of about 5,015,013 (196)
Active Optics and Aberration Correction Technology for Sparse Aperture Segmented Mirrors
Applied Sciences, 2023 Active optics and aberration correction techniques for sparse aperture segmented mirrors are studied. A finite element model of the sparse aperture segmented mirror was established, and a multi-aperture aberration polynomial was derived. According to the
Benlei Zhang +3 more
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The road to atomically thin metasurface optics
Nanophotonics, 2020 The development of flat optics has taken the world by storm. The initial mission was to try and replace conventional optical elements by thinner, lightweight equivalents.
Brongersma Mark L.
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Chirality invertible superstructure mediated active planar optics
Nature Communications, 2019 Optically reconfigurable elements are in demand for future applications. The authors report on the use of chirality-invertible cholesteric liquid crystals to actively manipulate geometric phase and create switchable planar optics elements that perform a ...
Peng Chen +8 more
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Optical Activity of Chiral Excitons
Advanced MaterialsAbstractRecent activity in the area of chiroptical phenomena has been focused on the connection between structural asymmetry, electron spin configuration and light/matter interactions in chiral semiconductors. In these systems, spin‐splitting phenomena emerge due to inversion symmetry breaking and the presence of extended electronic states, yet the ...
Peter C. Sercel +4 more
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Exploring the Optical Activity Tensor by Anisotropic Rayleigh Optical Activity Scattering [PDF]
ChemPhysChem, 2008 AbstractRayleigh optical activity (RayOA) spectroscopy promises to provide an elegant and robust analytical method to probe molecular stereochemistry. A careful selection of RayOA variants such as right‐angle depolarized ICP (incident circular polarization) or backscattering DCPI (in‐phase dual circular polarization) allows analysis of the anisotropic ...
Gérard, Zuber +2 more
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PhotonicsSegmented telescopes face significant challenges in achieving high segment positioning accuracy under complex disturbances, which directly impact observational sensitivity and resolution.
Wuyang Wang, Qichang An, Xiaoxia Wu
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Grouting slurry diffusion range based on active heating fiber optics monitoring
Scientific Reports, 2022 To quantify the diffusion range of slurry in grouting engineering, an active heating optical fiber (AHFO) monitoring method is proposed. The AHFO is arranged on the coal seam floor.
Lei Zhu +3 more
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Active 2D materials for on-chip nanophotonics and quantum optics
Nanophotonics, 2017 Two-dimensional materials have emerged as promising candidates to augment existing optical networks for metrology, sensing, and telecommunication, both in the classical and quantum mechanical regimes.
Shiue Ren-Jye +5 more
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Wavefront analysis of a focus-tunable lens with gravity compensation
JPhys PhotonicsThe application of focus-tunable lenses (FTL) has significantly expanded in the field of photonics in the last decade, establishing these devices as fundamental optoelectronic components in most experimental setups.
E Pérez-Cabré +3 more
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Tunable and reconfigurable metasurfaces and metadevices
Opto-Electronic Advances, 2018 Metasurfaces, two-dimensional equivalents of metamaterials, are engineered surfaces consisting of deep subwavelength features that have full control of the electromagnetic waves.
Nemati Arash +3 more
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