Diffraction grating
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In optics, a diffraction grating is a grating with a periodic structure of appropriate scale so as to diffract light, or another type of electromagnetic radiation, into several beams traveling in diff
A very large reflecting diffraction grating
An incandescent light bulb viewed through a diffractive effects filter.
A blazed diffraction grating reflecting only the green portion of the spectrum from a room's fluorescent lighting
A helical fluorescent lamp photographed in a blazed reflection-diffraction grating, showing the various spectral lines produced by the lamp.
Fraunhofer diffraction
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In optics, the Fraunhofer diffraction equation is used to model the diffraction of waves when plane waves are incident on a diffracting object, and the diffraction pattern is viewed at a sufficiently
Diffraction glass with 300 lines per millimeter
Continuous broadside array of point sources of length a
Computer simulation of Fraunhofer diffraction by a rectangular aperture
Computer simulation of the Airy diffraction pattern