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 mod...

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Veröffentlicht in:	Optics letters 1990-05, Vol.15 (10), p.582-584
Hauptverfasser:	CHEN, K.-Y, LEUNG, C.-Y, CHANG, I.-F
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Optical elements, devices, and systems Optics Physics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	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.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.15.000582