发明名称 Temperature-compensated fiber optic current sensor
摘要 In a fiber optic current sensor having a coiled sensor fiber (1) which encloses a current conductor (S), and at least one phase delay element (4, 5) adjoining the sensor fiber (1), the at least one phase delay element (4, 5) has a phase delay with a temperature dependence such that it at least approximately compensates for a temperature dependence of a Verdet's constant (V) of the sensor fiber (1). It is thereby possible to achieve an at least approximately temperature-independent sensor signal.
申请公布号 US6734657(B2) 申请公布日期 2004.05.11
申请号 US20010754116 申请日期 2001.01.05
申请人 ABB RESEARCH LTD 发明人 BOHNERT KLAUS;NEHRING JUERGEN
分类号 G01R15/24;(IPC1-7):G01R31/00 主分类号 G01R15/24
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