diffraction grating

Noun

Meaning

optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum

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Examples

2-slit (top) and 5-slit diffraction of red laser light Diffraction of a red laser using a diffraction grating. Source: Internet

A diffraction pattern of a 633 nm laser through a grid of 150 slits Diffraction grating main A diffraction grating is an optical component with a regular pattern. Source: Internet

A very large reflecting diffraction grating An incandescent light bulb viewed through a transmissive diffraction grating. Source: Internet

For example, a spectrometer fitted with a diffraction grating may be checked by using it to measure the wavelength of the D-lines of the sodium electromagnetic spectrum which are at 600 nm and 589.6 nm. Source: Internet

Comparison of the spectra obtained from a diffraction grating by diffraction (1), and a prism by refraction (2). Source: Internet

However, this model and approximation is a reasonable one to illustrate a diffraction grating conceptually. Source: Internet

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