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- Diffraction_grating abstract "In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The directions of these beams depend on the spacing of the grating and the wavelength of the light so that the grating acts as the dispersive element. Because of this, gratings are commonly used in monochromators and spectrometers. A photographic slide with a fine pattern of purple lines forms a complex grating. For practical applications, gratings generally have ridges or rulings on their surface rather than dark lines. Such gratings can be either transmissive or reflective. Gratings which modulate the phase rather than the amplitude of the incident light are also produced, frequently using holography.The principles of diffraction gratings were discovered by James Gregory, about a year after Newton's prism experiments, initially with artifacts such as bird feathers. The first man-made diffraction grating was made around 1785 by Philadelphia inventor David Rittenhouse, who strung hairs between two finely threaded screws. This was similar to notable German physicist Joseph von Fraunhofer's wire diffraction grating in 1821.Diffraction creates the "rainbow" colors reflected from a compact disc (see Examples, below). A grating has parallel lines, while a CD has a spiral of finely-spaced data tracks. Diffraction colors also appear when one looks at a bright point source through a translucent fine-pitch umbrella-fabric covering. Decorative patterned plastic films based on reflective grating patches are very inexpensive to produce, and are commonplace.".
- Diffraction_grating thumbnail Diffraction_grating.jpg?width=300.
- Diffraction_grating wikiPageExternalLink InterferenceInDiffractionGratingBeams.
- Diffraction_grating wikiPageExternalLink ee5390em21.htm.
- Diffraction_grating wikiPageExternalLink handbook.
- Diffraction_grating wikiPageExternalLink gratings.asp.
- Diffraction_grating wikiPageExternalLink chapter2.asp.
- Diffraction_grating wikiPageExternalLink GetabsServlet?prog=normal&id=PHTEAH000042000002000076000001&idtype=cvips&gifs=Yes.
- Diffraction_grating wikiPageExternalLink gratingcalc.
- Diffraction_grating wikiPageExternalLink concave.
- Diffraction_grating wikiPageExternalLink grating.
- Diffraction_grating wikiPageExternalLink histspec.txt.
- Diffraction_grating wikiPageExternalLink handbook.
- Diffraction_grating wikiPageExternalLink diffraction-gratings.
- Diffraction_grating wikiPageExternalLink vpgratings.
- Diffraction_grating wikiPageID "41031".
- Diffraction_grating wikiPageRevisionID "601635052".
- Diffraction_grating hasPhotoCollection Diffraction_grating.
- Diffraction_grating subject Category:Diffraction.
- Diffraction_grating subject Category:Optical_devices.
- Diffraction_grating subject Category:Photonics.
- Diffraction_grating comment "In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The directions of these beams depend on the spacing of the grating and the wavelength of the light so that the grating acts as the dispersive element. Because of this, gratings are commonly used in monochromators and spectrometers. A photographic slide with a fine pattern of purple lines forms a complex grating.".
- Diffraction_grating label "Diffraction grating".
- Diffraction_grating label "Optisches Gitter".
- Diffraction_grating label "Red de difracción".
- Diffraction_grating label "Reticolo di diffrazione".
- Diffraction_grating label "Réseau de diffraction".
- Diffraction_grating label "Siatka dyfrakcyjna".
- Diffraction_grating label "Tralie (natuurkunde)".
- Diffraction_grating label "Дифракционная решётка".
- Diffraction_grating label "محزز الحيود".
- Diffraction_grating label "回折格子".
- Diffraction_grating label "衍射光栅".
- Diffraction_grating sameAs Optisches_Gitter.
- Diffraction_grating sameAs Red_de_difracción.
- Diffraction_grating sameAs Réseau_de_diffraction.
- Diffraction_grating sameAs Reticolo_di_diffrazione.
- Diffraction_grating sameAs 回折格子.
- Diffraction_grating sameAs Tralie_(natuurkunde).
- Diffraction_grating sameAs Siatka_dyfrakcyjna.
- Diffraction_grating sameAs m.0b7m2.
- Diffraction_grating sameAs Q653294.
- Diffraction_grating sameAs Q653294.
- Diffraction_grating wasDerivedFrom Diffraction_grating?oldid=601635052.
- Diffraction_grating depiction Diffraction_grating.jpg.
- Diffraction_grating isPrimaryTopicOf Diffraction_grating.
