AUTOCOLLIMATOR
FIELD: optical equipment.SUBSTANCE: invention can be used to measure the angles of rotation of objects relative to two mutually perpendicular axes. The autocollimator includes an optical system for generating an autocollimation image of a stamp on a photodetector from a radiation source, a capacitor...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: optical equipment.SUBSTANCE: invention can be used to measure the angles of rotation of objects relative to two mutually perpendicular axes. The autocollimator includes an optical system for generating an autocollimation image of a stamp on a photodetector from a radiation source, a capacitor, a mark, a beam splitter, a lens, an autocollimation mirror and a photodetector with a signal processing unit. The mark and the photodetector are installed in the focal planes of the lens. A semi-transparent plane-parallel plate is additionally installed between the lens and the autocollimator mirror, located to the sighting axis of the autocollimator at an angle ϕ selected from the condition: ϕ |
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