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Experimental observation of discretized conical wave in a multimode fiber
Karolina Stefańska1,2, Pierre Béjot1, Karol Tarnowski2, Bertrand Kibler1
1Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR6303 CNRS-Université de Bourgogne, Dijon, France; 2Department of Optics and Photonics, Wrocław University of Science and Technology, Wrocław, Poland
We demonstrate spontaneous emission of discretized conical wave when an ultrashort pulse propagates nonlinearly in a multimode fiber. Our theoretical predictions are experimentally and numerically confirmed, providing a general understanding of phase-matched radiations emitted by nonlinear waves in multidimensional dispersive optical system.
Complete Mueller matrix imaging polarimeter for evaluating optical components for structured light
Esther Nabadda1, María del Mar Sánchez-López1, Asticio Vargas2, Angel Lizana3, Juan Campos3, Ignacio Moreno1
1Universidad Miguel Hernandez, Spain; 2Universidad de La Frontera, Chile; 3Universitat Autònoma de Barcelona, Spain
We present a complete Mueller matrix (MM) imaging polarimeter based on liquid-crystal retarders and a pixelated polarization camera. The polarimeter is calibrated and optimized at the pixel level. Therefore, the instrument is applied for the precise characterization of optical components used for the generation of structured light, like patterned retarders and patterned polarizers.
