ADJUSTABLE MULTI-SLIT COLLIMATORS
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
May 8, 2023
filing date -
Apr 13, 2020
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Abstract
The transverse intensity distribution of a beam of x-rays or other radiation can be modulated with a multi-slit collimator device that includes one or more sets of collimator leaves arranged in a one-dimensional array and individually movable to form slits of variable width between pairs of adjacent collimator leaves. A two-dimensional intensity distribution may be achieved using multiple sets of one-dimensionally arranged leaves, e.g., by stacking them along the beam in different orientations, or by stacking them in a transverse direction to form a two-dimensional array of leaves. In some embodiments, the multi-slit collimator device also serves beam-monitoring purposes.
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