Figure 2 | Scientific Reports

Figure 2

From: Modal Characterization using Principal Component Analysis: application to Bessel, higher-order Gaussian beams and their superposition

Figure 2

Experimental implementation of the random aperture.

(a) Design of the experiment where a HG mode (HG13) is focused on a glass diffuser aperture and a speckle pattern is transmitted and (b) (See Supplementary video file S1) the video includes an animation in which the incident HG00 beam mode is presented on the left-hand side while on the right-hand side the resulting speckle pattern from its diffraction from the glass diffuser takes place.

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