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extended source |
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source, extended A source consisting of many point sources separated laterally and such that it has a very low degree of coherence. Thus, an extended source has a given size and subtends a given angle. See coherent sources; beam of light; diffuse light. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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