公开(公告)号：US20120069347A1

公开(公告)日：2012-03-22

申请号：US13233577

申请日：2011-09-15

申请人： Justin W. KLEIN ,  Mark E. FROGGATT ,  Stephen T. KREGER ,  Dawn K. GIFFORD ,  Sandra M. KLUTE

发明人： Justin W. KLEIN ,  Mark E. FROGGATT ,  Stephen T. KREGER ,  Dawn K. GIFFORD ,  Sandra M. KLUTE

IPC分类号： G01B9/02

CPC分类号： G01B11/161 ,  G01B9/02023 ,  G01B11/18 ,  G01B21/042 ,  G01B21/045 ,  G02B6/02042

摘要： An interferometric measurement system includes a spun optical fiber including multiple optical waveguides configured in the fiber. Interferometric detection circuitry detects measurement interferometric pattern data associated with each of the multiple optical waveguides when the optical fiber is placed into a bend. Data processing circuitry determines compensation parameters that compensate for variations between an optimal configuration of the multiple optical waveguides in the fiber and an actual configuration of multiple optical waveguides in the fiber. The compensation parameters are stored in memory for compensating subsequently-obtained measurement interferometric pattern data for the fiber. The compensation parameters are applied to the subsequently-obtained measurement interferometric pattern data in order to distinguish between axial strain, bend strain, and twist strain on the fiber and to accurately determine one or more strain values for the fiber corresponding to one or more of the axial strain, bend strain, or twist strain on the fiber.

摘要翻译： 干涉测量系统包括在光纤中配置的包括多个光波导的纺丝光纤。 当光纤放入弯曲部时，干涉测量电路检测与多个光波导中的每一个相关联的测量干涉图案数据。 数据处理电路确定补偿参数，其补偿光纤中多个光波导的最佳配置与光纤中多个光波导的实际配置之间的变化。 补偿参数存储在存储器中，用于补偿随后获得的用于光纤的测量干涉图案数据。 将补偿参数应用于随后获得的测量干涉图案数据，以便区分光纤上的轴向应变，弯曲应变和扭曲应变，并且准确地确定对应于一个或多个的纤维的纤维的一个或多个应变值 轴向应变，弯曲应变或纤维上的扭曲应变。