23 December 2016 Propagation of the vortex beam through the simple sample in the optical vortex microscope
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Proceedings Volume 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 1014206 (2016) https://doi.org/10.1117/12.2262432
Event: 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2016, Jasna, Slovakia
Abstract
We consider a microscopic system in which the focused Gaussian beam with the embedded vortex illuminates the sample. The vortex beam is very sensitive to any imperfections introduced into it. Small defects introduced into the dark area of the vortex beam causes the change in its internal structure. We investigate theoretically and experimentally how the small rectangular groove introduced into the beam at the critical plane influence the phase structure of the beam. The analytical model of the setup is provided and following it the scheme for recovering the information about the sample is proposed.
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Agnieszka Popiołek-Masajada, Jan Masajada, Piotr Kurzynowski, "Propagation of the vortex beam through the simple sample in the optical vortex microscope ", Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 1014206 (23 December 2016); doi: 10.1117/12.2262432; https://doi.org/10.1117/12.2262432
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