19 October 2016 Construction of dark spherical spot array using an amplitude-modulated radially polarized beam
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Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015506 (2016) https://doi.org/10.1117/12.2243623
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
A simple and flexible method is presented for constructing a dark spherical spot array with the prescribed spot number and interval along the optical axis. Through reversing the field radiated from a uniform magnetic current line source in combination with an electric current line source having a cosine-squared taper, the desired focal field can be realized in the 4Pi focusing system. The required incident field on the pupil plane can be obtained by solving the inverse problem and is found to be an amplitude-modulated radially polarized beam.
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Yanzhong Yu, Meng Li, Li Long, Hongyuan Shangguan, "Construction of dark spherical spot array using an amplitude-modulated radially polarized beam", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015506 (19 October 2016); doi: 10.1117/12.2243623; https://doi.org/10.1117/12.2243623
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