Nonlinear correlation spectroscopy (NLCS).
basic_science · Level V
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- Record sourced from PubMed, PMID 22372559.
- Also identified by DOI 10.1021/nl300070n.
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Abstract
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 KNbO(3) 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.
Medical subject headings
- Nanostructures
- Serum
- Spectrum Analysis