1998
DOI: 10.1007/978-94-011-5262-4_43
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The Orthogonal Transfer CCD

Abstract: We have designed and built a new type of CCD that we call an orthogonal transfer CCD (OTCCD), which permits parallel clocking horizontally as well as vertically. The device has been used successfully to remove image motion caused by atmospheric turbulence at rates up to 100 Hz, and promises to be a better, cheaper way to carry out image motion correction for imaging than by using fast tip/tilt mirrors. We report on the device characteristics, and find that the large number of transfers needed to track image mo… Show more

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Cited by 4 publications
(1 citation statement)
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“…Astronomical images obtained form the ground suffer from serious degradation of resolution, because the light passes through a turbulent medium (the atmosphere) [1] before reaching the detector. A number of methods was developed to alleviate this phenomenon [2,3,4,5] and multiple special-case solutions were implemented as well (e.g. [6]), but none of them is able to provide a perfect correction and restore the diffraction-limited (DL) image.…”
Section: Introductionmentioning
confidence: 99%
“…Astronomical images obtained form the ground suffer from serious degradation of resolution, because the light passes through a turbulent medium (the atmosphere) [1] before reaching the detector. A number of methods was developed to alleviate this phenomenon [2,3,4,5] and multiple special-case solutions were implemented as well (e.g. [6]), but none of them is able to provide a perfect correction and restore the diffraction-limited (DL) image.…”
Section: Introductionmentioning
confidence: 99%