Exploiting polarization in nonlinear optical surface spectroscopy

Garth J. Simpson; Ryan M. Plocinik

doi:10.1117/12.559538

14 October 2004 Exploiting polarization in nonlinear optical surface spectroscopy

Garth J. Simpson, Ryan M. Plocinik

Proceedings Volume 5510, Nanophotonic Materials; (2004) https://doi.org/10.1117/12.559538
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Combining nonlinear optics with ellipsometry improves the information content available in studies of nonlinear optical surfaces and materials and provides a novel and general route for background suppression. As one example, this novel nonlinear optical null ellipsometry (NONE) approach allowed for the selective detection of bovine serum albumin adsorption on glass from the changes induced in the hyperpolarizability of coadsorbed rhodamine 6G, providing a general route for label-free real-time biosensing. In combination with new theoretical developments, polarization analysis in surface second harmonic generation is shown to yield rich information on molecular orientation and the optical constants of the thin surface layer. This ellipsometric technique is particularly useful in studies of chiral media, in which second-order nonlinear optical measurements have been shown to be remarkably sensitive to chirality at the interface.

Citation Download Citation

Garth J. Simpson and Ryan M. Plocinik "Exploiting polarization in nonlinear optical surface spectroscopy", Proc. SPIE 5510, Nanophotonic Materials, (14 October 2004); https://doi.org/10.1117/12.559538

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