Novel metrics for vector beams

Valeria Rodríguez-Fajardo; Andrea Aiello; Benjamin Perez-García; Geminiano Martínez-Ponce; Andrew Forbes; Carmelo Rosales-Guzmán

doi:10.1117/12.2653261

15 March 2023 Novel metrics for vector beams

Valeria Rodríguez-Fajardo, Andrea Aiello, Benjamin Perez-García, Geminiano Martínez-Ponce, Andrew Forbes, Carmelo Rosales-Guzmán

Author Affiliations +

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.

Conference Presentation

Citation Download Citation

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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