Interferometry

Experimental method for topological charge determination of optical vortices in a regular net

[+] Author Affiliations
Ewa Fra˛czek

Wroclaw University of Technology, Institute of Physics, Wybrzez?e Wyspian´skiego 27, 50-370 Wroclaw, Poland E-mail: ewa.fraczek@pwr.wroc.pl

Wojciech Fra˛czek

LASERTEX Limited, ul. Radzinkowskiego 17, 51-506 Wroclaw, Poland

Janusz Mroczka

Wroclaw University of Technology, Electronic and Photonic Metrology, ul. B. Prusa 53/55, 50-317 Wroclaw, Poland

Opt. Eng. 44(2), 025601 (Jan. 20, 2005). doi:10.1117/1.1849171
History: Received Jun. 2, 2004; Revised Aug. 3, 2004; Accepted Aug. 16, 2004; Jan. 20, 2005; Online January 20, 2005
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The regular net of optical vortices can be generated by three plane wave interference. Such regular vortices are used in a new kind of interferometry—optical vortex interferometry. In this work, the experimental method for topological charge determination of optical vortices in a regular net is presented. This allows for unique phase reconstruction in optical vortex interferometry and solves what is known in interferometry as the phase unwrapping problem. © 2005 Society of Photo-Optical Instrumentation Engineers.

© 2005 Society of Photo-Optical Instrumentation Engineers

Citation

Ewa Fra˛czek ; Wojciech Fra˛czek and Janusz Mroczka
"Experimental method for topological charge determination of optical vortices in a regular net", Opt. Eng. 44(2), 025601 (Jan. 20, 2005). ; http://dx.doi.org/10.1117/1.1849171


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