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Proceedings Paper

Astigmatism inducing the degenerate effect in nearly hemispherical cavities: generation of three-dimensional structured light
Author(s): J. C. Tung; Y. H. Hsieh; H. C. Liang; K. W. Su; K. F. Huang; Y. F. Chen
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Paper 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.

Paper Details

Date Published: 18 April 2017
PDF: 5 pages
Proc. SPIE 10252, Optical Manipulation Conference, 102520G (18 April 2017); doi: 10.1117/12.2275921
Show Author Affiliations
J. C. Tung, National Chiao Tung Univ. (Taiwan)
Y. H. Hsieh, National Chiao Tung Univ. (Taiwan)
H. C. Liang, National Taiwan Ocean Univ. (Taiwan)
K. W. Su, National Chiao Tung Univ. (Taiwan)
K. F. Huang, National Chiao Tung Univ. (Taiwan)
Y. F. Chen, National Chiao Tung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 10252:
Optical Manipulation Conference
Takashige Omatsu, Editor(s)

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