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5 March 2021 Generation and reconstruction of structured light
Randy Lemons, Wei Liu, Steve Smith, Joe Frisch, Sergio Carbajo
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Proceedings Volume 11672, Laser Resonators, Microresonators, and Beam Control XXIII; 116720B (2021) https://doi.org/10.1117/12.2577935
Event: SPIE LASE, 2021, Online Only
Abstract
The structuring of laser light with non-diffracting vector distributions, optical vortices, or high angular momentum are being increasing exploited. We present a system for the synthesis of these arbitrary intensity and phase profiles through a number of carrier-envelope-phase stabilized coherent frequency and spatial combs. Adjusting the differences between adjacent combs allows synthesis of a combined field which can be structured, directed, and improved in the presence of propagation noise. Additionally, we present a method for the optimization of such systems in free space with a Fourier optics based genetic algorithm that converges to <π/10 accuracy of the initial parameters.
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Randy Lemons, Wei Liu, Steve Smith, Joe Frisch, and Sergio Carbajo "Generation and reconstruction of structured light", Proc. SPIE 11672, Laser Resonators, Microresonators, and Beam Control XXIII, 116720B (5 March 2021); https://doi.org/10.1117/12.2577935
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KEYWORDS
Spiral phase plates
Structured light
Free space
Optical vortices
Particles
Optical communications
Optical imaging
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