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Light scattering temperature measurement 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01J-003/30
  • G01J-005/60
  • G01N-021/00
출원번호 US-0823847 (1986-01-29)
우선권정보 GB-0002558 (1985-02-01)
발명자 / 주소
  • Bibby Geoffrey W. (Leatherhead GBX)
출원인 / 주소
  • Central Electricity Generating Board (GB2 03)
인용정보 피인용 횟수 : 36  인용 특허 : 0

초록

Temperature is measured by launching pulses of light into an elongate optical fibre and determining the temperature at positions along the fibre from the intensity of light scattered at those positions. The input pulses can have either the same or two different wavelengths, and the scattered light c

대표청구항

A method of measuring temperature sensed by a temperature sensing element comprising the steps of: applying to said temperature sensing element input pulses of light at two different wavelengths l1 and l2 to obtain scattered light from said temperature sensing element; detecting the scattered light;

이 특허를 인용한 특허 (36)

  1. Wada Ichiro (Yokohama JPX), Apparatus and method for measuring temperatures by using optical fiber.
  2. Belli, Riccardo; Inaudi, Daniele, Automated system and method for testing the efficacy and reliability of distributed temperature sensing systems.
  3. Barlett, Darryl; Wissman, Barry D.; Taylor, II, Charles A., Blackbody fitting for temperature determination.
  4. MacDougall,Trevor, Combined Bragg grating wavelength interrogator and Brillouin backscattering measuring instrument.
  5. Nebendahl, Bernd, Detecting different spectral components of an optical signal by means of an optical shutter.
  6. Babin, Sergey A.; Kuznetsov, Alexey G.; Shelemba, Ivan S., Device and method for high precision fiber-optic temperature profile measurements in long length areas.
  7. Sai Yukio (Tokyo JPX), Device for detecting a temperature distribution having a laser source with temperature and wavelength adjusting means.
  8. Hartog,Arthur H.; Lees,Gareth P., Distributed sensing in an optical fiber using brillouin scattering.
  9. Lee, Chung; Suh, Kwang, Dual source auto-correction in distributed temperature systems.
  10. Nakura Yuji,JPX ; Hata Ryosuke,JPX ; Yamaguchi Masayoshi,JPX, Electrical power cable underground laying depth measuring method.
  11. Dammann, Hans-Joachim, Fiber optic temperature monitoring method.
  12. Dammann, Hans-Joachim, Fiber optic temperature monitoring system.
  13. Evans, Alan F.; Rahman, Ashiqur; Gray, Stuart; Gavrilovic, Pavle, Gain control in Raman amplifiers.
  14. Kachynski,Aliaksandr; Kuzmin,Andrey; Pudavar,Haridas; Prasad,Paras N., Imaging methods.
  15. Wysocki, Paul F.; Lambert, Christopher H.; Chandran, Ashwin, Loss compensation for distributed sensing in downhole environments.
  16. Farhadiroushan, Mahmoud; Parker, Tom Richard; Kean, Peter Neil, Method and apparatus for generation and transmission of high energy optical pulses for long range measurements.
  17. MacDougall, Trevor, Method and apparatus for temperature sensing utilizing Brillouin scattering in polarization maintaining optical fiber.
  18. MacDougall,Trevor, Method and apparatus for temperature sensing utilizing optical fiber.
  19. Sanders,Steven J., Method and system for adjusting the sensitivity of optical sensors.
  20. Fredin, Leif; Krenek, Brendan, Method and system for sensing optical fiber temperature.
  21. Chi, Sien; Lee, Chien-Chung; Chiang, Po-Wen, Method of enhancing spatial resolution for distributed temperature measurement.
  22. Grego Giorgio (Venaria Reale ITX), Method of measuring viscosity of a body.
  23. Leonard Donald A. (Cupertino CA) Sweeney Harold E. (Menlo Park CA), Method of remotely detecting submarines using a laser.
  24. Leonard Donald A. (Cupertino CA), Method of remotely measuring subsurface water temperatures by stimulated raman scattering using stimulated brillouin bac.
  25. Dammann, Hans-Joachim, Method using an optical signal for detecting overheating and fire conditions in an aircraft.
  26. Hartog Arthur H.,GB3 ; David Dillwyn P.,GB3 ; Hamman Jakob J.,ZAX ; Middendorp Marc J.,ZAX, Monitoring wall temperatures of reactor vessels.
  27. Kawauchi, Hidetaka; Ogura, Masaki; Yu, Juhyun; Hiruta, Akihiro, Optical fiber temperature sensing device.
  28. Denayrolles Yves (Le Vesinet FRX) Pillon Robert E. (Le Havre FRX), Optical pyrometer with at least one fibre.
  29. Kleinerman Marcos Y., Optical systems for sensing temperature and thermal infrared radiation.
  30. Leonard Donald A. (Cupertino CA) Sweeney Harold E. (Menlo Park CA), Remote subsurface water temperature measuring apparatus with Brillouin scattering.
  31. Leonard Donald A. (Cupertino CA) Sweeney Harold E. (Menlo Park CA), Remote subsurface water temperature measuring apparatus with Brillouin scattering.
  32. Sweeney Harold E. (Menlo Park CA), Remote subsurface water temperature measuring apparatus with brillouin scattering.
  33. Martinelli, Mario; Belli, Riccardo, Sensor and method for determining temperature along an optical fibre.
  34. Sai Yukio (Tokorozawa JPX), Temperature distribution measuring apparatus using an optical fiber.
  35. Sai Yukio (Tokorozawa JPX) Kaneko Hiroyuki (Tokyo JPX) Miyane Yuji (Tokyo JPX), Temperature distribution measuring apparatus using an optical fiber.
  36. Sai Yukio,JPX, Temperature distribution measuring apparatus using an optical fiber.
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