Fiber Laser Magnetic Field Sensor

Geoffrey A. Cranch (Inventor), Gordon Flockhart (Inventor)

Research output: Patent

41 Downloads (Pure)


The device includes two supports and a primary conductive strip. The primary conductive strip includes a neutral surface, a first side, and a second side. The primary conductive strip is connected one of directly and indirectly on the first side to the two supports such that the primary conductive strip is constrained in two dimensions and movable in one dimension. The device also includes a primary distributed feedback fiber laser. The primary distributed feedback fiber laser includes a fiber axis. The primary distributed feedback fiber laser is connected to the primary conductive strip along one of the first side and the second side such that there is a positive distance between the neutral surface of the primary conductive strip and the fiber axis of the primary distributed feedback fiber laser.
Original languageEnglish
Patent number8,058,869
Publication statusPublished - 15 Nov 2011


  • distributed feedback lasers
  • magnetic field
  • optical fiber sensors


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