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Polygons Jitter and Speed Stability

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Polygons Jitter and Speed Stability

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Jitter is calculated using a time-of-flight of a beam reflected off a spinning polygon across two detectors. The time-of-flights are measured by an HP ‘Time Interval Analyzer’ which has a data capacity for 1000 points. This equates to 22 revolutions for the 45 facet polygon.

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