FIELD: physics.
SUBSTANCE: interferometer contains a source of a collimated light beam, a beam-splitter element dividing the original beam into two partial mirrors, two mirrors that guide these beams at an angle of convergence to each other, and a photosensitive member. The beam-splitting element, the two mirrors and the photosensitive member form a mirror-symmetrical system with respect to the plane of the beam-splitter mirror built into the beam-splitter element and are fixedly mounted on a base, the rotation axis of which is arranged so as to match the rotational movement of the base and the motion along the beam-splitter mirror of the collimated light beam in account for changing its angle of incidence.
EFFECT: increasing the vibration resistance and simplifying the design.
3 cl, 2 dwg
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