TEMPERATURE SENSOR USING AN OPTICAL FIBER
First Claim
Patent Images
1. A temperature sensor, comprising:
- an elongated sensing element having a length of at least 10 m, measured at a temperature of 20°
C., the elongated sensing element including;
an elongated jacket;
an optical fiber mounted in the jacket and having an EFL of at least 0.35%; and
the elongated sensing element having an average temperature error of less than 2°
C.
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Abstract
A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
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Citations
36 Claims
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1. A temperature sensor, comprising:
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an elongated sensing element having a length of at least 10 m, measured at a temperature of 20°
C., the elongated sensing element including;an elongated jacket; an optical fiber mounted in the jacket and having an EFL of at least 0.35%; and the elongated sensing element having an average temperature error of less than 2°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A temperature measurement system, comprising:
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an elongated sensing element having a length of at least 10 m, measured at a temperature of 20°
C., the elongated sensing element including;an elongated jacket; an optical fiber mounted in the jacket and having an EFL of at least 0.35%; the elongated sensing element having an average temperature error of less than 2°
C.;the optical fiber defining an optical path for conveying an optical signal, the optical path manifesting an interaction with the optical signal, the interaction producing a measurable response, the response conveying information about temperature to which the optical fiber is exposed; and a measurement component coupled to the optical fiber to sense the response and for deriving from the response information on the temperature to which the optical fiber is exposed. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A temperature sensor, comprising:
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an elongated sensing element having a length of at least 10 m, measured at a temperature of 20°
C., the elongated sensing element including;an elongated jacket; an optical fiber mounted in the jacket and having an EFL of at least 0.35%; and the elongated sensing element having an S value of at least about 1 mm2 per percent of EFL. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification