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defocus |
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defocus [dē′fō·kəs] (engineering) To make a beam of x-rays, electrons, light, or other radiation deviate from an accurate focus at the intended viewing or working surface. 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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| Ironically, to eliminate autofocusing systems, they devised a defocusing lens. Bleeding was controlled by increasing the spot size on the micromanipulator and defocusing the laser beam. The absence of CL in the crater may result from plastic deformation annealing the CL emission or from an instrumental defocusing artifact due to the large depth of the indent below the specimen surface. |
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