Optical measurement apparatus
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United States of America Patent
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Nov 22, 2016
Grant Date -
Sep 17, 2015
app pub date -
Jul 30, 2012
filing date -
Jul 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An optical measurement apparatus includes: a hollow cylindrical member having one plane with a first opening and the other plane with a second opening; a rotation mechanism for rotating the cylindrical member about a first axis; a support unit for arranging a light source at a measurement position which is on the first axis and from which the emitted light enters the cylindrical member through the first opening; a first reflection unit arranged inside the cylindrical member for reflecting the light emitted from the light source and entering through the first opening; a second reflection unit for reflecting the light inside the cylindrical member and propagating the light through the second opening along the first axis to the outside of the cylindrical member; and at least one third reflection unit for causing the light reflected by the first reflection unit to be incident on the second reflection unit.
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