Generalized non-diffracting beams for ultrafast materials processing

Daniel Flamm; Keyou Chen; Michael Jenne; Marcel Schäfer; Daniel G. Grossmann; Julian Hellstern; Christoph Tillkorn; Malte Kumkar

doi:10.1117/12.2548951

2 March 2020 Generalized non-diffracting beams for ultrafast materials processing

Daniel Flamm, Keyou Chen, Michael Jenne, Marcel Schäfer, Daniel G. Grossmann, Julian Hellstern, Christoph Tillkorn, Malte Kumkar

Author Affiliations +

Proceedings Volume 11270, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XX; 112700Y (2020) https://doi.org/10.1117/12.2548951
Event: SPIE LASE, 2020, San Francisco, California, United States

Abstract

We generalize the well-known method of generating nondiffracting beams based on axicons in the near-field using phase modulations with azimuthal dependencies. The enormous benefit of our concept for efficient shaping of nondiffracting beams with arbitrary transverse profiles is shown and optimized processes like cleaving of particularly thin and thick glasses using elliptical Bessel-like beams are discussed.

Citation Download Citation

Daniel Flamm, Keyou Chen, Michael Jenne, Marcel Schäfer, Daniel G. Grossmann, Julian Hellstern, Christoph Tillkorn, and Malte Kumkar "Generalized non-diffracting beams for ultrafast materials processing", Proc. SPIE 11270, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XX, 112700Y (2 March 2020); https://doi.org/10.1117/12.2548951

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