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AssigneeShimadzu Corporation
InventorsHiromasa MARUNO, Naoji MORIYA, Toyoyuki HASHIMOTO, Takashi MURAMATSU, Hideaki KATSU
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Provided is a fixed mirror unit capable of adjusting the inclination of a reflection surface and moving the reflection surface in a direction intersecting with the reflection surface with a simple configuration, an interferometer equipped with the fixed mirror unit, and a Fourier transform spectrophotometer. The fixed mirror unit 8 is provided with a plurality of actuators 83 for axially displacing the mirror 87. By displacing the mirror 87 by different amounts of displacements with the plurality of actuators 83, the angle of the reflection surface 87A can be adjusted, while by displacing the mirror 87 by the same amount of displacement with the plurality of actuators 83, the reflection surface 87A can be moved while keeping the angle of the reflection surface 87A constant. As a result, with a simple configuration, the angle of the reflection surface 87A can be adjusted and the reflection surface 87A can be moved along the axial direction.
A fixed mirror unit adjusted for an interferometer and configured to reflect light from a light source into first reflected light to interfere the first reflected light with second reflected light reflected by a movable mirror unit from the light source, resulting in interference light, the fixed mirror unit comprising:
Dependencies are inferred from the claim text.