Modeling of spiral-type beam generation by the one-dimensional light modulators

Kirill N. Afanasiev; Svetlana P. Kotova; Alexandra M. Mayorova; Vladimir G. Volostnikov

doi:10.1117/12.660839

9 June 2006 Modeling of spiral-type beam generation by the one-dimensional light modulators

Kirill N. Afanasiev, Svetlana P. Kotova, Alexandra M. Mayorova, Vladimir G. Volostnikov

Proceedings Volume 6054, International Conference on Lasers, Applications, and Technologies 2005: Advanced Lasers and Systems; 60540U (2006) https://doi.org/10.1117/12.660839
Event: International Conference on Lasers, Applications, and Technologies 2005, 2005, St. Petersburg, Russian Federation

Abstract

Spiral beams while propagating and focusing, keep their intensity structure unchanged neglecting scale and rotation. One of the experimental ways to obtain spiral beams is the astigmatic transformation method. It allows producing spiral beams by means of structurally one-dimensional amplitude-phase elements and simple cylindrical optics. The paper is dedicated to modeling of spiral light fields formed with one-dimensional spatial light modulators. The effect of the ultimate resolution of the modulator and ultimate accuracy of the intensity and phase choice on the quality of the synthesized field in a far-zone of diffraction has been estimated in this work. The results can be of interest for various laser applications including the laser manipulation with micro-objects.

Citation Download Citation

Kirill N. Afanasiev, Svetlana P. Kotova, Alexandra M. Mayorova, and Vladimir G. Volostnikov "Modeling of spiral-type beam generation by the one-dimensional light modulators", Proc. SPIE 6054, International Conference on Lasers, Applications, and Technologies 2005: Advanced Lasers and Systems, 60540U (9 June 2006); https://doi.org/10.1117/12.660839

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