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Polarimeters for measuring the Stokes parameters have evolved significantly over the years from a variety of bulk-optic configurations to a number of elegant in-fiber designs. In this paper, we exploit recent advances in tilted fiber Bragg grating (FBG) technology to propose an improved in-line polarimeter that samples more than four detected beams with only two tilted FBGs. Based on theoretical analysis...
Ultrasound is a valuable tool for the detection of damage in structures and the characterization of material properties. Its detection is conventionally done by piezoelectric transducers, however fiber-optic sensors can operate over a greater range of frequencies and also yield information on the direction of wave propagation. The interaction between fiber sensors and ultrasound both demonstrates...
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