Sensitivity of fiber-Bragg-grating sensors to index of surrounding medium is increased by etching core of fiber. The sensor is used to detect hybridization of DNA by measuring change of index on surface of the fiber.
© 2005 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.2770) Diffraction and gratings : Gratings
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.3420) Remote sensing and sensors : Laser sensors
M. Dagenais, A. N. Chryssis, S. S. Saini, S. M. Lee, H. Yi, and W. E. Bentley, " High Sensitivity Bio-Sensor Based on an Etched Fiber Bragg Grating," in Integrated Photonics Research and Applications/Nanophotonics for Information Systems, Technical Digest (Optical Society of America, 2005), paper IWD3.
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