Measurement of acceleration and orbital angular momentum of Airy beam and Airy-vortex beam by astigmatic transformation

Measurement of acceleration and orbital angular momentum of Airy beam and Airy-vortex beam by astigmatic transformation

Special beams, including the Airy beam and the vortex-embedded Airy beam, draw much attention due to their unique features and promising applications. Therefore, it is necessary to devise a straightforward method for measuring these peculiar features of the beams with ease. Hence we present the asti...

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Veröffentlicht in:Optics letters 2015-11, Vol.40 (22), p.5411-5414
Hauptverfasser: Singh, Brijesh Kumar, Remez, Roei, Tsur, Yuval, Arie, Ady
Format: Artikel
Sprache:eng
Schlagworte:
Acceleration
Aerodynamics
Angular momentum
Beams (radiation)
Fluid flow
Transformations
Vortices
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container_end_page 5414
container_issue 22
container_start_page 5411
container_title Optics letters
container_volume 40
creator Singh, Brijesh Kumar
Remez, Roei
Tsur, Yuval
Arie, Ady
description Special beams, including the Airy beam and the vortex-embedded Airy beam, draw much attention due to their unique features and promising applications. Therefore, it is necessary to devise a straightforward method for measuring these peculiar features of the beams with ease. Hence we present the astigmatic transformation of Airy and Airy-vortex beam. The "acceleration" coefficient of the Airy beam is directly determined from a single image by fitting the astigmatically transformed beam to an analytic expression. In addition, the orbital angular momentum of optical vortex in Airy-vortex beam is measured directly using a single image.
doi_str_mv 10.1364/OL.40.005411
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subjects Acceleration
Aerodynamics
Angular momentum
Beams (radiation)
Fluid flow
Transformations
Vortices
title Measurement of acceleration and orbital angular momentum of Airy beam and Airy-vortex beam by astigmatic transformation
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