OAM-based optical wavelet using a single pixel detection system for probing dynamic environments with application to real-time measurements of strong atmospheric turbulence

OAM-based optical wavelet using a single pixel detection system for probing dynamic environments with application to real-time measurements of strong atmospheric turbulence

This paper presents a novel method for optical probing by generating optical fields with characteristics of wavelets. The optical wavelets form a basis of rotated asymmetric beams with scaled orbital angular momentum (OAM) and beam sizes. The probing method was used experimentally to measure the con...

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Veröffentlicht in:Optics express 2022-11, Vol.30 (23), p.42564-42578
Hauptverfasser: Free, Justin, Dai, Kunjian, Vanderschaaf, Liam, Cox, Michael, Miller, J. Keith, Watkins, Richard J., Johnson, Eric G.
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container_end_page 42578
container_issue 23
container_start_page 42564
container_title Optics express
container_volume 30
creator Free, Justin
Dai, Kunjian
Vanderschaaf, Liam
Cox, Michael
Miller, J. Keith
Watkins, Richard J.
Johnson, Eric G.
description This paper presents a novel method for optical probing by generating optical fields with characteristics of wavelets. The optical wavelets form a basis of rotated asymmetric beams with scaled orbital angular momentum (OAM) and beam sizes. The probing method was used experimentally to measure the continuous wavelet transform of a turbulent propagation path, giving insight into the angular properties about a fixed radius. The wavelet transform of a three-dimensional turbulence distribution was measured; the measurements are much faster than the turbulence changes, allowing characterization of an instantaneous realization of turbulence over time. Results show highly localized regions of OAM in space through the turbulence and characteristics of the turbulence can be extracted from the wavelet transforms.
doi_str_mv 10.1364/OE.474124
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title OAM-based optical wavelet using a single pixel detection system for probing dynamic environments with application to real-time measurements of strong atmospheric turbulence
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