OPTICAL FIBER SENSOR

To provide an optical fiber sensor that can detect the liquid level or detect the property of liquid with high reliability even under a frequently vibrational environment. An optical fiber sensor includes an optical fiber that includes a core having an area where a grating is formed and a clad, and...

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Bibliographische Detailangaben
Hauptverfasser:	TAKABAYASHI, MASAKAZU, ISHII, KAZUSHI, SHIMAKURA, YASUHISA, MATSUMOTO, SADAYUKI, MITANI, TATEKI, KANAMARU, SHIGEKI, YOSHIARA, KIICHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	To provide an optical fiber sensor that can detect the liquid level or detect the property of liquid with high reliability even under a frequently vibrational environment. An optical fiber sensor includes an optical fiber that includes a core having an area where a grating is formed and a clad, and is disposed so that at least a part of the area with the grating is immersed in liquid, a light source for making incident to the optical fiber a light of a wavelength band of a cladding mode at the grating, and a light receiving unit for detecting the intensity of light which is incident from the light source to the optical fiber and transmitted through the grating, and is used to detect the liquid level of the liquid or the property of the liquid.