Title :
Two-photon fluorescence spectroscopy by resonant single and double grating waveguide structures
Author :
Thayil, K.N.A. ; Soria, S. ; Badenes, Gonçal ; Katchalski, T. ; Friesem, A.A. ; Selle, A. ; Bader, M.A. ; Marowsky, G.
Author_Institution :
Insitut de Ciencies Fotoniques, Barcelona, Spain
Abstract :
We show how resonant single and double grating-waveguide-structures enhance two-photon fluorescence more than two orders of magnitude without the need for a highly focused laser excitation light. Such resonant devices have an enormous potential for biosensing.
Keywords :
biosensors; diffraction gratings; fluorescence; optical waveguides; two-photon spectra; biosensing application; resonant single/double grating waveguide structures; two-photon fluorescence spectroscopy; Dielectric substrates; Fluorescence; Gratings; Laser beams; Laser excitation; Optical waveguides; Polarization; Polymers; Resonance; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.201911
