One-dimensional and singular light fields: interconnection and analysis by means of astigmatic transform

Kirill N. Afanasiev; Pavel G. Kharsky; Svetlana P. Kotova; Nikolay N. Losevsky; Alexandra M. Mayorova; Vladimir G. Volostnikov

doi:10.1117/12.752091

27 July 2007 One-dimensional and singular light fields: interconnection and analysis by means of astigmatic transform

Kirill N. Afanasiev, Pavel G. Kharsky, Svetlana P. Kotova, Nikolay N. Losevsky, Alexandra M. Mayorova, Vladimir G. Volostnikov

Author Affiliations +

Proceedings Volume 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena; 67291C (2007) https://doi.org/10.1117/12.752091
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

Abstract

Formation of light fields with preset intensity is of the interest for different laser applications. Spiral beams optics is the universal method of such fields generation. One of the experimental ways of spiral beams formation is the astigmatic transform of specially realized one-dimensional light field to the intended spiral beam. The presence of phase singularities is the feature of spiral beams. Traditional interference detection of singularities of spiral beams can be inconvenient if the number of isolated zeros located within the low intensity area. It is typically for beams in the shape of closed curves. The same astigmatic transform can also be used for the beams analysis.

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Kirill N. Afanasiev, Pavel G. Kharsky, Svetlana P. Kotova, Nikolay N. Losevsky, Alexandra M. Mayorova, and Vladimir G. Volostnikov "One-dimensional and singular light fields: interconnection and analysis by means of astigmatic transform", Proc. SPIE 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena, 67291C (27 July 2007); https://doi.org/10.1117/12.752091

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