Plane mirror

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The plane mirror is a mirror-coated on the front mirror , whose reflecting surface is flat, that is approximately an exact mathematical level corresponds. For practical cases, spherical surfaces with radii in the 10 km range are usually considered to be sufficiently flat.

Such mirrors are used in optical test setups (see optical bench ) to redirect light beams in another direction.

Mechanical holder

For such mirrors in optical structures, holders are required that are precisely defined to within 1 µm.

They use preload through springs and bearings .

Commercial mirror mounting
Mirror mounting with a fixed bearing (middle screw) and two floating bearings with threaded spindles, one of which with an additional degree of freedom through the elongated groove that acts as a slide bearing

See also