| 摘要 |
The invention relates to an interferometer comprising a beamsplitter (10), a mirror (11) for retroreflecting beams (S1, S2), at least one pair of mirrors (12, 13) made up of two plane mirrors for reflecting the beams (S1, S2). The pair of mirrors (12, 13) is fitted in a rigid structure (15), which is arranged to rotate around an axis (A). It is characteristic that the beamsplitter (10) is attached to a body (20) supported on the mount and that the axis (A) passes through the body (20). According to a recommended embodiment, the retroreflecting minor (11) is also attached to the body (20).
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