Diffraction on Circular Aperture

Diffraction on Circular Aperture

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Caption: A setup demonstrating a classic case of Fresnel diffraction on a circular aperture. Here of a diode laser beam (635 nm) is incident on a small aperture (diaphragm, pinhole) of 35 micron diameter. The resulting diffraction pattern (called Airy disk) is observed on a screen about 15 cm away. This is a classic demonstration of the wave nature of the light.

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Keywords: 635 nm, airy, aperture, beam, circular, demo, demonstration, diaphragm, diffract, diffraction, diode, disk, distribution, education, educational, experiment, fresnel diffraction, intensity, lab, laboratory, laser, monochromatic, optical, optics, pattern, phenomenon, photonics, physical, physics, pinhole, radiation, science, scientific, semiconductor, shape, technology, wavelength

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