Simulations of secondary scan patterns produced by laser scanners with a pair of rotational Risley prisms

Alexandru-Lucian Dimb; Virgil-Florin Duma

doi:10.1117/12.2603094

5 May 2022 Simulations of secondary scan patterns produced by laser scanners with a pair of rotational Risley prisms

Alexandru-Lucian Dimb, Virgil-Florin Duma

Proceedings Volume 12170, Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology; 121700A (2022) https://doi.org/10.1117/12.2603094
Event: Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology, 2021, Timisoara, Romania

Abstract

Laser scanners with Risley prisms are one of the most utilized 2D scanning systems. We have introduced a novel, graphical, easy-to-use method to generate exact scan patterns of such devices [V.-F. Duma, A. Schitea, Proc. of the Romanian Acad. Series A 19, 53-60, 2018]. This method was further on developed to study all the four possible configurations of such scanners and to deduce the angular and linear deviations they produce [V.-F. Duma, A-L.Dimb, Applied Sciences 11, 8451, 2021]. In the present study we investigate the way secondary scan patterns can be generated by a pair of rotational Risley prisms. While the issue of total reflections inside the prisms (and how to avoid them) has been approached, this is the first time to our knowledge that patterns using secondary reflections on the facets of the prisms are explored. Equations to obtain the scan patterns are discussed, as well as some of their characteristics.

Citation Download Citation

Alexandru-Lucian Dimb and Virgil-Florin Duma "Simulations of secondary scan patterns produced by laser scanners with a pair of rotational Risley prisms", Proc. SPIE 12170, Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology, 121700A (5 May 2022); https://doi.org/10.1117/12.2603094

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