A near-infrared SPR signature with 4 nm line-width and 70% attenuation is obtained in a TFBG with thin gold coatings oriented relative to the tilt plane, thus facilitating the fabrication of high sensitivity fiber-SPR sensors.

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Conference Optical Sensors, Sensors 2016
Feng, D. (Dingyi), Zhou, W, Qiao, X. (Xueguang), & Albert, J. (2014). Simplification of grating-assisted SPR fiber optic sensors with single-sided gold coatings. In Optics InfoBase Conference Papers.