BEARING FOR A MOVING MIRROR OF A MICHELSON INTERFEROMETER

摘要

Carrier allowing a movable mirror to move in a Michelson interferometer (1), comprising a cylinder (7) of glass, hollow and fixed, and a movable assembly (10, 11, 16) having said movable mirror (17) and at least one element (10, 11) of graphite which slides in the cylinder bore (7) of glass. Preferably, this device comprises an anti-rotation system which is associated with the movable assembly, comprising a support (67) coupled to the mobile assembly, a magnet (66) mounted on one end of the carrier and a guide rail (71) fixed positioned substantially parallel to the axis of rotation of the movable assembly and at a predetermined radial distance from said movable assembly.