A novel optical chemsensor concept based on the cladding etched Bragg gratings in D-fiber is demonstrated. Two etched devices have been used to measure the concentrations of sugar solution, giving sensitivity as high as 0.02nm/%.
© 2004 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.2770) Diffraction and gratings : Gratings
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
K. Zhou, X. Chen, L. Zhang, and I. Bennion, "Novel optical chemsonsor based on etched D-fiber Bragg gratings," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CWA64.