Generation of Laguerre Gaussian beams using spiral phase diffractive elements fabricated on optical fiber tips using focused ion beam milling

R. S. Rodrigues Ribeiro; P. Dahal; A. Guerreiro; P. A. S. Jorge; J. Viegas

doi:10.1117/12.2213682

4 March 2016 Generation of Laguerre Gaussian beams using spiral phase diffractive elements fabricated on optical fiber tips using focused ion beam milling

R. S. Rodrigues Ribeiro, P. Dahal, A. Guerreiro, P. A. S. Jorge, J. Viegas

Author Affiliations +

Proceedings Volume 9764, Complex Light and Optical Forces X; 97640Q (2016) https://doi.org/10.1117/12.2213682
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

In this work, spiral phase lenses fabricated on the tip of single mode optical fibers are reported. This allows tailoring the fundamental guided mode, a Gaussian beam, into a Laguerre - Gaussian profile without using additional optical elements. The lenses are fabricated using Focused Ion Beam milling, enabling high resolution in the manufacturing process. The phase profiles are evaluated and validated using an implementation of the Finite Differences Time Domain. The output optical intensity profiles matching the numerical simulations are presented and analyzed. Finally, results on cell trapping and manipulation are briefly described.

Citation Download Citation

R. S. Rodrigues Ribeiro, P. Dahal, A. Guerreiro, P. A. S. Jorge, and J. Viegas "Generation of Laguerre Gaussian beams using spiral phase diffractive elements fabricated on optical fiber tips using focused ion beam milling", Proc. SPIE 9764, Complex Light and Optical Forces X, 97640Q (4 March 2016); https://doi.org/10.1117/12.2213682

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