COLLINEAR BEAM TRANSFER DEVICE Russian patent published in 2024 - IPC G02B27/10 

FIELD: physics.

SUBSTANCE: invention relates to devices used in precision mounting, adjustment and operation of large-size optical systems. Collinear beam transfer device comprises first 1 and second 2 pentaprisms located on one optical axis inside housing 3, having one input window 3.1 and two output windows 3.2 and 3.3. Optical wedge 1.6 is attached to first reflecting face 1.2 of the first pentaprism, which supplements the pentaprism to a plane-parallel plate for one direction of the path of light beams. Two-wedge optical compensators are installed in the output windows. On one optical axis with pentaprisms 1 and 2 there are two optical plano-convex lenses 6 and 7, identical first 8 and second 9 lenses with cylindrical holes 8.1 and 9.1. On the other parallel optical axis there are successively located one after another: third objective lens 10, beam-splitting cube 11 connected to autocollimation mark 12 and light source 13, and first flat matrix receiver 14. Inverting prism unit 15 connects the beam paths of the elements located on parallel optical axes. On convex central parts 6.2 and 7.2 of plane-convex lenses 6 and 7, turned towards each other, flats 6.2.1 and 7.2.1 are made. Flat surfaces 6.1 and 7.1 of the lenses are rigidly connected to flat output 1.3 and input 2.3 faces of first 1 and second 2 pentaprisms, respectively. On the flat surfaces of the first and second lenses, masks with point diaphragms are applied, which interact with matrix receivers and illuminators, respectively.

EFFECT: high stability of collinear transfer.

1 cl, 6 dwg