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Square optical vortices generated by binary spiral zone plates
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10.1063/1.3581044
/content/aip/journal/apl/98/15/10.1063/1.3581044
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/15/10.1063/1.3581044

Figures

Image of FIG. 1.
FIG. 1.

BPSSZPs with different topological charge and their simulated diffraction image in the focal plane. [(a) and (e)] corresponds to BPSSZP, [(b) and (f)] to , [(c) and (g)] to , and [(d) and (h)] to . In the simulation, the wavelength of incident light is 355 nm, and the focal length is 1.5 cm. The total simulation area is .

Image of FIG. 2.
FIG. 2.

Phase profile near the center vortex core in the focal plane of (a) , (b) , and (c) BPSSZPs. The total simulation area is .

Image of FIG. 3.
FIG. 3.

Experimental results. (a) ×50 microscopy image of our BPSSZP near the center. (b) ×500 microscopy image of the BPSSZP near the outermost zones. (c) Experimental system for optical demonstration of a BESSZP. Diffraction patterns of the BPSSZP are imaged by CCD at (d) , (e) , and (f) .

Tables

Generic image for table
Table I.

Topological charge of BPSSZP and the center vortex core in the focal plane.

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/content/aip/journal/apl/98/15/10.1063/1.3581044
2011-04-12
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Square optical vortices generated by binary spiral zone plates
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/15/10.1063/1.3581044
10.1063/1.3581044
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