Selective Observation of Adsorbate Mixtures Using Resonant Sum Frequency Generation

Authors: Cresswell, Stephanie A.; Steehler, Jack K.

Source: Applied Spectroscopy, Volume 41, Issue 8, Pages 1265-1457 (November/December 1987) , pp. 1444-1446(3)

Publisher: Society for Applied Spectroscopy

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Second order (χ(2)) nonlinear spectroscopy has become important as a selective probe of surfaces and interfaces. Recently we and others have used multiple resonances for signal intensity enhancement. In this note, data are presented that demonstrate the increase in selectivity which resonances also provide (allowing selective monitoring of a single-mixture component) and that show the observation of interactions among mixture components and between different adsorbate sites of a single component.

Keywords: Nonlinear laser spectroscopy; Resonant laser spectroscopy; Surface spectroscopy

Document Type: Short Communication


Affiliations: University of Virginia, Chemistry Department, McCormick Rd, Charlottesville, Virginia 22901

Publication date: November 1, 1987

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