Compact coherent perfect absorbers using topological guided-mode resonances
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DOI: 10.1038/s41598-024-63605-8
Abstract: We propose a topological coherent perfect absorber that enables almost ideal performance with remarkably compact device footprint and tight incident beams. The proposed structure is based on a topological junction of two guided-mode-resonance gratings. The… read more here.
Keywords: coherent perfect; guided mode; absorbers using; perfect absorbers ... See more keywords
Transverse confinement of electron beams in a 2D optical lattice for compact coherent x-ray sources
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DOI: 10.1088/1367-2630/ac1a99
Abstract: Compact coherent x-ray sources have been the focus of extensive research efforts over the past decades. As a result, several novel schemes like optical and nano-undulators for generating x-ray emissions in ‘table-top’ setups are proposed,… read more here.
Keywords: compact coherent; coherent ray; ray sources; electron ... See more keywords
Intelligent and compact coherent Doppler lidar with fiber-based configuration for robust wind sensing in various atmospheric and environmental conditions.
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DOI: 10.1364/oe.455755
Abstract: The intelligent and compact coherent Doppler lidar (CDL) for wind sensing is demonstrated. The configuration is fiber-based. Several functions for the robust wind sensing in various atmospheric and environmental conditions are shown. The main feature… read more here.
Keywords: wind sensing; compact coherent; doppler lidar; fiber based ... See more keywords