Ionic-self-assembled-multilayers of nm-thicknesses are deposited on long period gratings. We observe dramatic resonant-wavelength shifts even with nm-thick films. We demonstrate feasibility of this highly controllable deposition-technique for fine-tuning grating properties, and for use as biosensors.
© 2004 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(350.0350) Other areas of optics : Other areas of optics
(350.2770) Other areas of optics : Gratings
Z. Wang, J. R. Heflin, R. H. Stolen, and S. Ramachandran, "Sensitive optical response of long period fiber gratings to nm-thick ionic self-assembled multilayers," 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 CWD2.
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