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speckle interferometry |
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speckle interferometry [′spek·əl ‚in·tər·fə′räm·ə·trē] (optics) The use of speckle patterns in the study of object displacements, vibration, and distortion, and in obtaining diffraction-limited images of stellar objects. 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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He obtained the images using a modification of an observing method known as speckle interferometry. Imaging tecniques such as speckle interferometry -- which essentially "freezes" the motion in the atmosphere from moment to moment by taking a succession of quick snapshots--are already pushing telescope technology to greater precision. The equipment was used in a technique called speckle interferometry, developed to help earth-bound astronomers compensate for the shimmering distortion of our atmosphere and employed primarily to distinguish between close-together "point sources' of light such as binary stars or Pluto and its moon Charon. |
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