How to measure Χ(3) of a nanoparticle

Most of the known methods to measure the nonlinear optical properties of materials deal with the bulk properties, but there are many demanding applications that require those measurements to be done on a single particle or a single molecule. We report a novel application of nonlinear optics to measu...

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Veröffentlicht in:	Optics letters 2006-05, Vol.31 (10), p.1486-1488
Hauptverfasser:	SHCHESLAVSKIY, Vladislav I, SALTIEL, Solomon M, FAUSTOV, Alexey R, PETROV, Georgi I, YAKOVLEV, Vladislav V
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Crystallography - methods Exact sciences and technology Fundamental areas of phenomenology (including applications) Image Enhancement - methods Image Interpretation, Computer-Assisted - methods Imaging, Three-Dimensional - methods Information Storage and Retrieval - methods Molecular Conformation Nanostructures - chemistry Nanostructures - ultrastructure Nephelometry and Turbidimetry - methods Nonlinear optics Optics Physics Reproducibility of Results Scattering, Radiation Sensitivity and Specificity Ultrafast processes optical pulse generation and pulse compression
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Beschreibung
Zusammenfassung:	Most of the known methods to measure the nonlinear optical properties of materials deal with the bulk properties, but there are many demanding applications that require those measurements to be done on a single particle or a single molecule. We report a novel application of nonlinear optics to measure the third-order nonlinear optical susceptibility of nanoparticles in solutions. By measuring the power of the third harmonic generated in a diluted solution of nanoparticles, both the size and chi(3) can be extracted from a simple set of measurements.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.31.001486