Sensing Magnetic Fields

  • Magazine Article
  • TBMG-38511
Published February 01, 2021 by Tech Briefs Media Group in United States
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  • English

Innovators at NASA Armstrong developed an optical waveguide fiber Bragg grating (FBG) that is sensitive to an external magnetic field. The technology allows direct coupling of the external field to the electromagnetic (EM) wave propagating in the fiber, bypassing the need to first measure strain.