公开(公告)号：US07035525B2

公开(公告)日：2006-04-25

申请号：US10255751

申请日：2002-09-26

申请人： Gene Kent Weeks ,  Stephen Mast ,  Zhi Zhou ,  John F. Ryan, III ,  Harry Douglas Garner, Jr. ,  Siu-Ping Hong ,  John Popwell ,  Alan H. McCurdy

发明人： Gene Kent Weeks ,  Stephen Mast ,  Zhi Zhou ,  John F. Ryan, III ,  Harry Douglas Garner, Jr. ,  Siu-Ping Hong ,  John Popwell ,  Alan H. McCurdy

IPC分类号： G02B6/00

CPC分类号： G02B6/105 ,  C03B37/12 ,  C03B2203/06 ,  C03B2203/19 ,  C03B2203/36 ,  G02B6/02

摘要： Methods and apparatuses negate a measured mechanical twist of an optical fiber by introducing a counteracting twist to bring the net mechanical twist closer to zero, which reduces the fiber's polarization mode dispersion (PMD). A spool of optical fiber having undesirable mechanical twist is mounted and fiber is drawn from the end of the spool to impart a specified counteracting mechanical twist. Additionally, the spool may be controllably rotated by a control system while optical fiber is drawn there from, allowing the system to generate a precise amount of counteracting mechanical twist in the fiber.

摘要翻译： 方法和装置通过引入反作用扭转来消除光纤的测量的机械扭转，以使净机械扭转更接近于零，这降低了光纤的偏振模色散（PMD）。 安装具有不期望的机械扭转的光纤卷轴，并且从卷轴的端部抽出纤维以赋予特定的抵抗机械扭曲。 此外，当光纤从那里被拉出时，线轴可以由控制系统可控地旋转，从而允许系统在光纤中产生精确量的抵消机械扭曲。