Patent ID: 11906603
Assignee: SHANGHAI UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The system for measuring a magnetorefractive effect of an optical fiber according to claim 1, wherein the coupler A (2), the sensing optical fiber (3), the reference optical fiber (4) and the coupler B (6) are connected to form a Mach-Zehnder optical fiber interferometer, the sensing optical fiber (3) forms a sensing arm of the Mach-Zehnder optical fiber interferometer, the reference optical fiber (4) forms a reference arm of the Mach-Zehnder optical fiber interferometer, the first port (21) of the coupler A (2) is an optical input port of the Mach-Zehnder optical fiber interferometer, and the first port (61) of the coupler B (6) is an optical output port of the Mach-Zehnder optical fiber interferometer.