Beam quality measure for vector beams

Beam quality measure for vector beams

Vector beams have found a myriad of applications, from laser materials processing to microscopy, and are now easily produced in the laboratory. They are usually differentiated from scalar beams by qualitative measures, for example, visual inspection of beam profiles after a rotating polarizer. Here...

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Veröffentlicht in:Optics letters 2016-08, Vol.41 (15), p.3407-3410
Hauptverfasser: Ndagano, Bienvenu, Sroor, Hend, McLaren, Melanie, Rosales-Guzmán, Carmelo, Forbes, Andrew
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container_end_page 3410
container_issue 15
container_start_page 3407
container_title Optics letters
container_volume 41
creator Ndagano, Bienvenu
Sroor, Hend
McLaren, Melanie
Rosales-Guzmán, Carmelo
Forbes, Andrew
description Vector beams have found a myriad of applications, from laser materials processing to microscopy, and are now easily produced in the laboratory. They are usually differentiated from scalar beams by qualitative measures, for example, visual inspection of beam profiles after a rotating polarizer. Here we introduce a quantitative beam quality measure for vector beams and demonstrate it on cylindrical vector vortex beams. We show how a single measure can be defined for the vector quality, from 0 (purely scalar) to 1 (purely vector). Our measure is derived from a quantum toolkit, which we show applies to classical vector beams.
doi_str_mv 10.1364/OL.41.003407
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