Articles with "beam width" as a keyword



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Metamaterial‐based, compact, wide beam‐width circularly polarized antenna for 5G indoor application

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Published in 2021 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32866

Abstract: This paper describes a metamaterial‐based miniaturized circularly polarized (CP) antenna with high radiation efficiency and wide beam‐width or coverage for 5G indoor application. A novel meta‐resonator is first proposed, which is investigated by transmission line… read more here.

Keywords: wide beam; beam; circularly polarized; metamaterial based ... See more keywords
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Effect of wavelength and beam width on penetration in light-tissue interaction using computational methods

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Published in 2017 at "Lasers in Medical Science"

DOI: 10.1007/s10103-017-2317-4

Abstract: Penetration depth of ultraviolet, visible light and infrared radiation in biological tissue has not previously been adequately measured. Risk assessment of typical intense pulsed light and laser intensities, spectral characteristics and the subsequent chemical, physiological… read more here.

Keywords: penetration; beam width; tissue; geometry ... See more keywords
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Wideband Dual-Linear Polarized Magnetoelectric Dipole Antenna With Wide Beam-Width in H-Plane

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3131508

Abstract: In this paper, a unidirectional wideband dual-linear polarized magnetoelectric dipole antenna with wide beam-width in H-plane is proposed. The antenna is composed of two orthogonal modified $\Gamma $ -shaped feeding structures, four V-portions, two pairs… read more here.

Keywords: beam width; dipole; width plane;
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Independent amplitude and trajectory/beam-width control of nonparaxial beams.

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Published in 2018 at "Optics express"

DOI: 10.1364/oe.26.018969

Abstract: We show that it is possible to generate non-paraxial optical beams with pre-engineered trajectories and designed maximum amplitude along these trajectories. The independent control of these two degrees of freedom is made possible by engineering… read more here.

Keywords: control; independent amplitude; beam width; amplitude trajectory ... See more keywords
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Improving image quality by optimizing beam width and helical pitch in CT.

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Published in 2022 at "Journal of X-ray science and technology"

DOI: 10.3233/xst-211103

Abstract: BACKGROUND Expanding computed tomography (CT) detector coverage broadens the beam width, but inaccurate tube current application can reduce image quality at the boundaries between body regions with different attenuation values along the z-axis. OBJECTIVE This… read more here.

Keywords: quality; beam; pitch; beam width ... See more keywords