Ethanol-filled negative-curvature optical fiber single-polarization temperature sensor

The invention discloses an ethanol-filled negative-curvature optical fiber single-polarization temperature sensor, which comprises a cladding region and a fiber core region, the cladding region comprises eight elliptical quartz tubes which are uniformly arranged, the long axis in the elliptical quar...

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Bibliographische Detailangaben
Hauptverfasser: YUAN JINHUI, QIU SHI, YAN BINBIN, WANG KUIRU, WANG QIWEI, YU ZHONGXIU, QU YUWEI, SANG XINZHU
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses an ethanol-filled negative-curvature optical fiber single-polarization temperature sensor, which comprises a cladding region and a fiber core region, the cladding region comprises eight elliptical quartz tubes which are uniformly arranged, the long axis in the elliptical quartz glass tube is d1, and the short axis in the elliptical quartz glass tube is d2; the thickness ofeach elliptical quartz glass tube is t; the included angle between every two adjacent oval quartz glass tubes is 44.5-45.5 degrees; the filling materials of the six elliptical quartz glass tubes are ethanol, and the filling materials of the two elliptical quartz glass tubes are gold; three elliptical quartz glass tubes filled with ethanol are spaced between the two elliptical quartz glass tubes filled with gold, and the centers of the two elliptical quartz glass tubes filled with gold and the circle center of the optical fiber are on the same straight line; the fiber core area is an area defined by the eight oval quar