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Fiber Optic Temperature Sensor Using Two Modes by Holographic Filter
Manabu YOSHIKAWA Kazuo ASAKAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 1995/07/25
Print ISSN: 0916-8516
Type of Manuscript: LETTER
single-fiber sensor, two-mode interference, holographic filter, multimode fiber,
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A fiber optic temperature sensor using a conventional graded index multimode optical fiber is proposed. The multimode fiber is excited by two selected modes using a computer-generated holographic filter. A clear periodic signal created by interference between two modes is observed in the experiment.