Surface second harmonic generation spectroscopy without interference of substrate contributions

We present a novel SHG technique for the study of molecular adsorbates on surfaces. The density of an optically nonlinear surface layer is made to have a grating-like periodical structure by thermal desorption of the adsorbate molecules. Such a structure allows to undertake surface specific second h...

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Bibliographic Details
Published inOptics communications Vol. 68; no. 2; pp. 149 - 152
Main Authors Reider, G.A., Huemer, M., Schmidt, A.J.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 15.09.1988
Elsevier Science
Subjects
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optics
Physics
Diffraction grating
Optical spectrometry
Adsorption
Surface analysis
Second harmonic
Non linear optics
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Summary:We present a novel SHG technique for the study of molecular adsorbates on surfaces. The density of an optically nonlinear surface layer is made to have a grating-like periodical structure by thermal desorption of the adsorbate molecules. Such a structure allows to undertake surface specific second harmonic spectroscopy even in the presence of strong second harmonic signals generated in the substrate.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(88)90141-1