| 摘要 |
PURPOSE:To obtain a matrix type optical switch at a low cost, by providing an input side optical waveguide and an output side optical waveguide formed by placing plural optical waveguides in parallel, so as to cross with each other, and optically coupling the side crossing part by pressure. CONSTITUTION:Plural pieces of parallel input optical fibers 1a and output optical fibers 1b are placed so as to diagonally cross with each other. When an optical signal is applied in advance to input fibers 1a1-1a4 and pressure is put on a point A, light is transmitted to an output optical fiber 1b1 from the input optical fiber 1a2. In the same way, when pressure is put on a point B, light is transmitted to an output optical fiber 1b3 from the input optical fiber 1a4. In this case, by providing a cavity 3 on the contact part of the optical fiber 1a and 1b, the transmission quantity is increased. In this way, a matrix type optical switch is obtained at a low cost. |
