File:Spectroscopy terms.png
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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). Impinging the sample, photons that match the energy gap of the molecules present (green light in this example) is absorbed in order to excite the molecule. Other photons transmits 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 spectra can be obtained. |
| Date | |
| Source | Own work |
| Author | Jkwchui |
| Other versions | Spectroscopy overview.svg |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| current | 08:20, 11 January 2011 | | 2,580 × 1,132 (630 KB) | Jkwchui (talk | contribs) | {{Information |Description={{en|1='''An overview of electromagnetic radiation absorption'''. A broadband beam source emitting light of multiple wavelengths is focused on a sample; the complementary color pairs are indicated by the yellow dotted lines. U |
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