Nonlinear Correlation Spectroscopy (NLCS)

Article Article scientifique Article Nonlinear Correlation Spectroscopy (NLCS) eng 2012 author Geissbuehler Matthias author Bonacina Luigi 0000-0003-0476-4473 632447 author Shcheslavskiy Vladislav author Bocchio Noelia L. author Geissbuehler Stefan 764707 author Leutenegger Marcel author Märki Iwan author Wolf Jean-Pierre 0000-0003-3729-958X 631266 author Lasser Theo 1668-1672 10.1021/nl300070n 1530-6984 We present a novel concept for optical spectroscopy called nonlinear correlation spectroscopy (NLCS). NLCS analyses coherent field fluctuations of the second and third harmonic light generated by diffusing nanoparticles. Particles based on noncentrosymmetric nonlinear materials such as KNbO3 show a strong second as well as third harmonic response. The method and the theory are introduced and experimental NLCS results in fetal calf serum are presented showing the promising selectivity of this technique for measurement in complex biological environments. Optical spectroscopy Fluorescence correlation spectroscopy Nonlinear correlation spectroscopy Third-harmonic generation Second-harmonic generation Nonlinear optics Dewey 500.2 35 Groupe de physique appliquée 135 false Nano letters 12 3 7a97b534-dd8d-49da-a99d-28f7ed222268 Article (Published version) Restricted Wolf20_2012.pdf 2561977 application/pdf restrictedAccess Faculté des sciences / Section de physique / Groupe de physique appliquée

Title	Published in	Access level	OA Policy	Year	Views	Downloads

Nonlinear Correlation Spectroscopy (NLCS)	Nano letters			2012	537	2

Archive ouverte UNIGE

Geissbuehler, Stefan