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Diffraction for a pinhole and the obstacles round. 2.3.03-00

Get the concept of:
Huygens' principle, Fresnel and Fraunhofer diffraction, the construction of Fresnel zones, coherence, a spot Poisson theorem Babinetta

Experiment:
Diaphragm with a pinhole and obstacles circular highlights the laser beam. Measured the resulting intensity distribution by means of photodiode