Experimental demonstration of a sensing mechanism for optical-fiber intermodal interference sensors.
A series of experiments in which a multimode optical fiber was forced to vibrate by a loudspeaker was performed to investigate the sensing mechanism of an integrated optical-fiber communication-sensing system. It was demonstrated that the sensing mechanism is predominantly pressure-induced phase modulation rather than modecoupling-induced power transfer in an optical fiber.
Chen
K Y
KY
Leung
C Y
CY
Chang
I F
IF