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15 March 2023 Novel metrics for vector beams
Valeria Rodríguez-Fajardo, Andrea Aiello, Benjamin Perez-García, Geminiano Martínez-Ponce, Andrew Forbes, Carmelo Rosales-Guzmán
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Proceedings Volume 12407, Laser Resonators, Microresonators, and Beam Control XXV; 124070B (2023) https://doi.org/10.1117/12.2653261
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Vector beams feature inhomogeneous polarization structures and have sparked significant attention in recent years. While a lot of effort has been dedicated to their generation and control, measures to quantify their vectorness are less developed. This is particularly critical for beams whose polarization distribution changes upon propagation, for which classical descriptors are not enough. Here, we describe established vectorness metrics, highlighting their advantages and limitations, as a motivation for our efforts in developing novel approaches to expand the toolkit for characterizing vector beams. We then introduce our proposed measures, presenting the pertinent theoretical background as well as experiments showing their relevance in key examples.
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Valeria Rodríguez-Fajardo, Andrea Aiello, Benjamin Perez-García, Geminiano Martínez-Ponce, Andrew Forbes, and Carmelo Rosales-Guzmán "Novel metrics for vector beams", Proc. SPIE 12407, Laser Resonators, Microresonators, and Beam Control XXV, 124070B (15 March 2023); https://doi.org/10.1117/12.2653261
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KEYWORDS
Polarization
Beam propagation method
Superposition
Free space
Numerical simulations
Quantum light
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