DEVICE FOR COLLINEAR TRANSFER OF OPTICAL AXES Russian patent published in 1996 - IPC

FIELD: instruments, devices for precise assembly, adjustment and operations of large-scale optical systems. SUBSTANCE: device has inner tube with sealed end, which is located inside outer tube on two supports. Volume between tubes is filled with fluid. Four windows, which are positioned in symmetry, are located on side surface of outer and inner tubes. Bellows are provided in windows. Pentagonal prisms are located in front of input and output windows in inner tube. In addition device has weight compensating unit, which is located in middle of inner tube, two additional bellows, which are located in ends of outer tube, pentagonal prisms with three-dimensional run of beams. One prism is designed as Cardan joint, another one is designed as ball bearing. EFFECT: precise collinear transfer of optical axes by distance about one meter, usage in arbitrary position in three dimensions. 2 dwg