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optical wedge |
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wedge, optical A filter in which the transmittance varies continuously along a path (straight or curved) on its surface. If the filter transmits all the wavelengths more or less equally, it is called a neutral wedge. See Bielschowsky's phenomenon. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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