MULTISTAGE OPTOELECTRONIC SWITCH Russian patent published in 1997 - IPC

FIELD: optical data processing, applicable in highly efficient switching devices of multipath telecommunication systems for transmission and reception of data files presented in the form of two-dimensional optical images. SUBSTANCE: components rotating the plane of polarization of passing linearly polarized light through 90 deg., and additional polarization - sensitive splitters, quarter-wave plates and flat reflective elements are introduced in the stages of optical interconnections, and an optical image transmission system and a switch optical train are used. EFFECT: enhanced efficiency. 3 cl, 4 dwg