SENSOR FIBER FOR DETECTION OF TEMPERATURE, DISTORTION AND/OR TORSION WITH MULTICORE OPTICAL WAVEGUIDE HAVING FIBER BRAGG GRATING

PROBLEM TO BE SOLVED: To provide a sensor fiber with a simple configuration which enables simultaneous measurement of many parameters including changes of temperature, length, bending, and particularly, torsion.SOLUTION: A sensor fiber 1 comprises a plurality of cores and an FBG structure. The senso...

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Bibliographische Detailangaben
Hauptverfasser:	HANF ROBERT, ROSENOW RALITSA, BREHM LOTHAR, ROSENKRANZ JUERGEN, KATRIN ROESSNER, ARMIN LANDERS, OTTO BERNAUER
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS TARIFF METERING APPARATUS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sensor fiber with a simple configuration which enables simultaneous measurement of many parameters including changes of temperature, length, bending, and particularly, torsion.SOLUTION: A sensor fiber 1 comprises a plurality of cores and an FBG structure. The sensor fiber comprises at least two FBG fiber cores 2 and a surrounding coating material 3. One or more means for distinction and orientation are disposed in the fiber so as to unambiguously address each FBG fiber core.