METHOD OF CORRECTING SHAPE OF SURFACE OF OPTICAL COMPONENTS Russian patent published in 2013 - IPC G02B1/10 

FIELD: physics.

SUBSTANCE: method involves local laser deposition of a layer of transparent or opaque material on the surface. Laser deposition is carried out on mirror reflecting adjacent surfaces or coatings of plates already mounted in an interferometer in the gap between surfaces. The gap is filled with a medium which forms a film upon laser irradiation, and the surface is locally irradiated with laser radiation. Thickness of the deposited layer of material can be controlled during deposition by interference measurement of deviation of the length of the optical path of the light beam between the mirror reflecting surfaces of the interferometer plates from the resonance length for the interferometer. The laser beam can scan the surface, wherein its intensity can be modulated with the length of the optical path between the mirror reflecting surfaces.

EFFECT: correcting the shape of surfaces of optical components already mounted in an optical device.

3 cl, 1 dwg