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File:Spectroscopy overview.svg

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English: An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as specific example. A white beam source -- emitting light of multiple wavelengths -- is focused on a sample (the complementary color pairs are indicated by the yellow dotted lines. Upon striking the sample, photons that match the energy gap of the molecules present (green light in this example) are absorbed in order to excite the molecule. Other photons transmit unaffected and, if the radiation is in the visible region (400-700nm), the transmitted light appears as its complementary color. By comparing the attenuation of the transmitted light with the incident, an absorption spectrum can be obtained.
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Author Jon Chui
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Date/TimeThumbnailDimensionsUserComment
current06:48, 3 February 2011Thumbnail for version as of 06:48, 3 February 2011760 × 303 (2.63 MB)Jkwchui (talk | contribs)Replaced text paths with (real) text, saved under Inkscape to see if fonts can be preserved here.
15:52, 11 January 2011Thumbnail for version as of 15:52, 11 January 2011760 × 303 (2.46 MB)Jkwchui (talk | contribs)Touched up
07:45, 11 January 2011Thumbnail for version as of 07:45, 11 January 2011660 × 303 (1.73 MB)Jkwchui (talk | contribs)Flattened appearance
07:43, 11 January 2011Thumbnail for version as of 07:43, 11 January 2011660 × 303 (1.75 MB)Jkwchui (talk | contribs){{Information |Description={{en|1=General overview of spectroscopy, illustrating processes of emission, absorption, transmission, and detection.}} |Source={{own}} |Author=Jkwchui |Date=2011-01-08 |Permission= |other_versions= }} [[Catego
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