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A diffraction grating is the tool of choice for separating the colors in incident light ... The resolvance of such a grating depends upon how many slits are actually covered by the incident light source; i.e., if you can cover more slits, you get a higher resolution in the projected spectrum. If N = slits are illuminated,
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hyperphysics.phy-astr.gsu.edu/hbase/phyopt/gratcal.html
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The Spectrum of light revealed by a Diffraction Grating ... A diffraction grating will spread the white light passing through the slit into a spectrum from red through green to blue. The beautiful glowing colored spectrum will often bring an appreciative Aah! from a class.
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www.exo.net/~pauld/summer_institute/summer_day6color/co...
www.exo.net/~pauld/summer_institute/summer_day6color/color_diffraction_grating.html
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Color Spectrum ... This Figure shows what happens when that beam passes through a diffraction grating. A diffraction grating can be a sheet of metal with thin vertical lines cut into it. As the beam passes through the diffraction grating different wavelengths of light are directed in different directions.
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des.memphis.edu/lurbano/vpython/matter_interactions/spe...
des.memphis.edu/lurbano/vpython/matter_interactions/spectrum/Spectrum.html
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A diffraction grating is able to disperse a beam of various wavelengths into a spectrum of associated lines because of the principle of diffraction: in any particular direction, only those waves of a given wavelength will be conserved, all the rest being destroyed because of interference with one another.
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www.britannica.com/EBchecked/topic/163039/diffraction-g...
www.britannica.com/EBchecked/topic/163039/diffraction-grating
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APPARATUS Spectrometer, diffraction grating, spectrum tube power-supply, spectrum tubes, sodium arc lamp. WARNING: PLEASE DO NOT TOUCH THE SURFACES OF THE DIFFRACTION GRATING. FINGERPRINTS WILL DESTROY IT. PLEASE DO NOT TOUCH THE ENGRAVED SCALES OF THE SPECTROMETER.
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galileo.phys.virginia.edu/classes/636.stt.summer06/pdf%...
galileo.phys.virginia.edu/classes/636.stt.summer06/pdf%20files/24%20-%20Optical%20Spec%20final.pdf
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Spectrum Scientific is a manufacturer of holographic diffraction gratings (plane and aberration corrected concave gratings - blazed and sinusoidal), OEM spectrograph modules and replicated optics (plane, spherical & aspheric mirrors). ... Spectrum Scientific, Inc. ... Plane Diffraction Gratings;
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A diffraction grating by itself is really no better than a prism for creating an astronomical spectrum. The grating must be built into a device called a spectroscope or spectrograph for this to be done.
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fuse.pha.jhu.edu/~wpb/spectroscopy/measure.html
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Return to directory Why is the diffraction grating spectrum symmetrical? Why is the white light spectrum symmetrical when viewed through the diffraction grating, and not show red, orange, yellow,...,violet on both sides?
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www.pa.uky.edu/sciworks/qlight.htm
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This makes a sort of reverse-rainbow of dark lines if you spread the light out into a rainbow with a diffraction grating or prism. The pattern of dark lines that reveals itself is the absorption spectrum of the material the light passed through.
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en.allexperts.com/q/Physics-1358/2008/4/eletronic-trans...
en.allexperts.com/q/Physics-1358/2008/4/eletronic-transition.htm
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