Scan Mirror Reflectivity Calibration Method and Apparatus

A scan mirror reflectivity calibration device is provided for monitoring and calibration of a rotating two-sided scan mirror. The scan mirror reflectivity calibration device can comprise at least one light source assembly operable to direct light onto a back side of a rotating two-sided scan mirror....

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Bibliographic Details
Main Author Cook, Lacy G
Format Patent
LanguageEnglish
Published 29.09.2022
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TESTING
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Summary:A scan mirror reflectivity calibration device is provided for monitoring and calibration of a rotating two-sided scan mirror. The scan mirror reflectivity calibration device can comprise at least one light source assembly operable to direct light onto a back side of a rotating two-sided scan mirror. The at least one light source assembly can be mounted outside a swept volume of the rotating two-sided scan mirror. The scan mirror reflectivity calibration device further comprises at least one detector assembly operable to detect light that is emitted from the at least one light source assembly and is reflected off of the back side of the rotating two-sided scan mirror. The at least one detector assembly can be mounted outside the swept volume of the rotating two-sided scan mirror.
Bibliography:Application Number: US202117214692