Patent ID: 6657771
Filing Date: 2003-12-02
Classification: G02B

Abstract:
An optical switch including an input switching element having a plurality of light input ports and an output switching element having a plurality of light output ports so as to output from one of said light output ports an optical signal that is input to one of said light input ports,said input switching element having a plurality of input optical deflector sets, each set consisting of a plurality of optical deflectors arranged in an incident direction of optical signals at each of said light input ports; said output switching element having a plurality of output optical deflector sets, each set consisting of a plurality of optical deflectors arranged in an emergent direction of optical signals at each of said light output ports, wherein each of said input optical deflector sets and each of said output optical deflector sets comprises, as said optical deflectors, at least two movable lenses that are movable in a plane perpendicular to said incident or emergent direction and have different focal lengths.