Micro-structures in optical fiber created by femtosecond laser micromachining can function as the sensing elements. Different types of micro-structures can be combined together in single optical fiber to perform multiple parameter measurement without ambiguity.
© 2012 OSA
D. N. Wang, "Micro-engineered Optical Fiber Sensors Fabricated by Femtosecond Laser Micromachining," in Imaging and Applied Optics Technical Papers, OSA Technical Digest (online) (Optical Society of America, 2012), paper STu4F.1.
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