Articles with "conical beam" as a keyword



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Fixed‐frequency conical beam scanning antenna array with small ripple for Satcom‐on‐the‐Move system

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Published in 2019 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32176

Abstract: A conical beam antenna array with fixed‐frequency scanning capability is proposed. Twelve open waveguide radiating elements filled with microwave ferrite on a metal ground plane are evenly distributed around a circle to realize small gain… read more here.

Keywords: conical beam; antenna array; beam; fixed frequency ... See more keywords
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Compact conical beam shaper and freeform segmented reflector for SERS analysis.

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Published in 2020 at "Optics express"

DOI: 10.1364/oe.391623

Abstract: We present a Raman spectroscopy setup containing a conical beam shaper in combination with a freeform segmented reflector for surface enhanced Raman scattering (SERS) analysis. The freeform segmented reflector and the conical beam shaper are… read more here.

Keywords: conical beam; segmented reflector; beam shaper;
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Self-healing of the bored helico-conical beam.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.454069

Abstract: We investigate the dynamic evolution and self-healing properties of the bored helico-conical beams with different filter parameter S in this paper. The relative error coefficient, D, is utilized to judge the self-healing effect of the… read more here.

Keywords: conical beam; helico conical; self healing; bored helico ... See more keywords
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Controllable Helico-Conical Beam Generated with the Bored Phase

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Published in 2023 at "Photonics"

DOI: 10.3390/photonics10050577

Abstract: A controllable helico-conical beam is proposed in this paper. The intensity patterns and the local spatial frequency of the controllable helico-conical beams in the focal region are analyzed in detail. The results show that the… read more here.

Keywords: controllable helico; beam generated; conical beam; helico conical ... See more keywords