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Helmholtz-Keteller formula |
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Helmholtz-Keteller formula [′helm‚hōlts ′ked·əl·ər ‚fȯr·myə·lə] (optics) A dispersion formula in which the difference between the square of the index of refraction and unity is set equal to a sum of terms each of which is associated with a resonant wavelength of the medium. 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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