Fiber optic sensing device and method of making and operating the same

Fiber optic sensing device and method of making and operating the same

  • CN 1,837,874 A
  • Filed: 03/22/2006
  • Published: 09/27/2006
  • Est. Priority Date: 03/22/2005
  • Status: Active Grant
First Claim
Patent Images

1. a Fibre Optical Sensor optical cable (26) comprising:

  • Fibre core (28), it has first refractive index, and a plurality of raster element (32), and the refractive index that each raster element has is different from first refractive index, and described fibre core (28) comprising;

    First pair of raster element (44) is configured to the light that homophase reflects first wavelength;

    Second pair of raster element (48) is configured to the light that homophase reflects second wavelength;

    AndThe 3rd pair of raster element (52) is configured to the light that homophase reflects first wavelength, and wherein at least one raster element (42) in second pair of raster element (48) is arranged between first at least one raster element and the 3rd at least one raster element to (52) to (44);

    AndCovering (30) is arranged on described fibre core (28) on every side.

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