| 摘要 |
PROBLEM TO BE SOLVED: To transmit a microwave signal to a conventional device in a stable phase over a distance.SOLUTION: A sync signal distribution device using an optical fiber composed of a plurality of split transmission use optical fibers 5 comprises: a first phase synchronization circuit 2 which generates modulated light and, after compensating it for a fluctuation in the optical path length of transmission use optical fibers 5 at the output destination, outputs to the transmission use optical fibers 5; and a second phase synchronization circuit 3, disposed in the subsequent stage following the first phase synchronization circuit 2, which compensates the modulated light from transmission use optical fibers 5 at the input source for a fluctuation in the optical path length of transmission use optical fibers 5 at the output destination and then outputs to the transmission use optical fibers 5 at the output destination. |
