Observation of the rotational Doppler shift with spatially incoherent light | Zendy

Alexander Q. Anderson | Zendy; Elizabeth F. Strong | Zendy; Brendan M. Heffernan | Zendy; Mark E. Siemens | Zendy; Gregory B. Rieker | Zendy; Juliet T. Gopinath | Zendy

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Observation of the rotational Doppler shift with spatially incoherent light

Author(s) -

Alexander Q. Anderson,

Elizabeth F. Strong,

Brendan M. Heffernan,

Mark E. Siemens,

Gregory B. Rieker,

Juliet T. Gopinath

Publication year - 2021

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.415580

Subject(s) - doppler effect , optics , physics , superposition principle , angular momentum , orbital angular momentum of light , optical vortex , total angular momentum quantum number , classical mechanics , quantum mechanics , astronomy , beam (structure)

The rotational Doppler shift (RDS) is typically measured by illuminating a rotating target with a laser prepared in a simple, known orbital angular momentum (OAM) superposition. We establish theoretically and experimentally that detecting the rotational Doppler shift does not require the incident light to have a well-defined OAM spectrum but instead requires well-defined correlations within the OAM spectrum. We demonstrate measurement of the rotational Doppler shift using spatially incoherent light.

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