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A series of cuprous oxide thin films with various thicknesses were deposited on quartz substrates by direct current reactive magnetron sputtering at room temperature. The crystal structure, element composition, morphology, optical and electrical properties of the samples were characterized using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), optical...
In this paper, a 2-D anisotropic metasurface for generating an azimuthally polarized beam is structured with a patterned metallic layer, which is composed of a fork hologram and periodically aligned sector-shaped antennas in annular circles. The polarization state of the light is tailed due to the plasmonic effect of the antenna unit, which behaves like a single nanopolarizer. The induced Pancharatnam–Berry...
An intensity-tunable filter based on the guided-mode resonance effect that is tuned using elliptically polarized incident light is proposed in this paper. The resonant peak efficiency can be tuned over a range from 3% to 99.9% without shifting the resonant wavelength by varying the elliptical polarization states. The influence of three of the incident light parameters, comprising the angles of polarization,...
Ultrasonic embossing and welding process is a fast and low cost manufacturing method for polymer devices in ambient temperature. More and more polymer MEMS devices, like optical devices and bio-MEMS devices are emerging in academic and engineering areas, due to the advantages of polymer materials, like low cost and easy manufacturing. In this paper, a buffer-assisted ultrasonic embossing process,...
Electric field distributions inside resonant reflection filters of different mode constructed with planar single-layer periodic waveguides are investigated. The electric fields intensified by resonance effects was illustrated in this paper.
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