Microwave imaging of spinning object using orbital angular momentum
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DOI: 10.1063/1.4991655
Abstract: The linear Doppler shift used for the detection of a spinning object becomes significantly weakened when the line of sight (LOS) is perpendicular to the object, which will result in the failure of detection. In… read more here.
Keywords: imaging spinning; angular momentum; microwave imaging; spinning object ... See more keywords
Analysis of rotational Doppler effect based on radio waves carrying orbital angular momentum
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DOI: 10.1063/1.5050448
Abstract: The electromagnetic beam carrying orbital angular momentum (OAM) has a twisted phase front, which can induce a rotational Doppler frequency shift when it is illuminating on a spinning object. In this paper, the rotational Doppler… read more here.
Keywords: doppler effect; rotational doppler; radio; doppler ... See more keywords
Detection of a spinning object with circular procession using an optical vortex beam.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.458270
Abstract: The rotational Doppler effect (RDE) provides an efficient way to measure rotational frequency using an optical vortex beam. Crucially, most research based on the RDE just involves a spinning object or a spinning object coupled… read more here.
Keywords: object circular; using optical; beam; vortex beam ... See more keywords