Astigmatism inducing the degenerate effect in nearly hemispherical cavities: generation of three-dimensional structured light

J. C. Tung; Y. H. Hsieh; H. C. Liang; K. W. Su; K. F. Huang; Y. F. Chen

doi:10.1117/12.2275921

18 April 2017 Astigmatism inducing the degenerate effect in nearly hemispherical cavities: generation of three-dimensional structured light

J. C. Tung, Y. H. Hsieh, H. C. Liang, K. W. Su, K. F. Huang, Y. F. Chen

Author Affiliations +

Proceedings Volume 10252, Optical Manipulation Conference; 102520G (2017) https://doi.org/10.1117/12.2275921
Event: SPIE Technologies and Applications of Structured Light, 2017, Yokohama, Japan

Abstract

We originally perform an analytical form to explore the influence of the astigmatism on the degenerate effect in nearly hemispherical cavities. The frequency spectrum near hemispherical cavities clearly reveals that not only the difference of cavity lengths between each degeneracies but also frequency gaps have significant difference from non-hemispherical cavities. We further thoroughly demonstrate the laser experiment under the condition of nearly hemispherical cavities to confirm the theoretical exploration that the transverse topology of three-dimensional (3D) structured light in the degenerate cavities is well localized on the Lissajous curves.

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J. C. Tung, Y. H. Hsieh, H. C. Liang, K. W. Su, K. F. Huang, and Y. F. Chen "Astigmatism inducing the degenerate effect in nearly hemispherical cavities: generation of three-dimensional structured light", Proc. SPIE 10252, Optical Manipulation Conference, 102520G (18 April 2017); https://doi.org/10.1117/12.2275921

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