公开(公告)号：US20020076136A1

公开(公告)日：2002-06-20

申请号：US09988507

申请日：2001-11-20

Applicant: JDS Uniphase Inc.

Inventor： Thomas Ducellier ,  Claude Rolland ,  Richard Habel ,  Rajiv Iyer ,  Barrie Keyworth

IPC: G02B006/35

CPC classification number: G02B6/3586 ,  G02B6/3512 ,  G02B6/3556 ,  G02B6/3588 ,  G02B6/359 ,  H04J14/02 ,  H04Q11/0005 ,  H04Q2011/0026 ,  H04Q2011/003 ,  H04Q2011/0035 ,  H04Q2011/0037 ,  H04Q2011/0043

Abstract: A control system is designed to control an optical cross-connect having a switch core defined by first and second independently movable beam deflectors capable of selectively defining an optical path between a pair of ports of the optical cross-connect. An optical element having optical power is arranged in a propagation path of light beams between the first and second beam deflectors. The control system includes a pilot light source, an optical sensor associated with each beam deflector, and a feedback path. The a pilot light source inserts a pilot light into the switch core colinearly with live traffic. The optical sensor detects a predetermined geometric property of the pilot light emerging from the switch core. This predetermined geometric property is unambiguously associated with an angular position of the associated beam deflector. The feedback path actively controls a position of the associated beam deflector based on the detected geometric property.

Abstract translation: 控制系统被设计成控制具有由第一和第二可独立移动的光束偏转器限定的开关芯的光学交叉连接器，其能够选择性地限定光交叉连接的一对端口之间的光路。 具有光功率的光学元件布置在第一和第二光束偏转器之间的光束的传播路径中。 控制系统包括导频光源，与每个光束偏转器相关联的光学传感器和反馈路径。 导频光源将实时光线与实时流量并行地插入开关核心。 光学传感器检测从开关芯出现的先导光的预定几何特性。 该预定的几何性质明确地与相关联的光束偏转器的角位置相关联。 反馈路径基于检测到的几何特性主动地控制相关联的光束偏转器的位置。