Optical Second Harmonic Generation From Langmuir-Type Molecular Monolayers

G. Berkovic; Th. Rasing; Y. R. Shen

doi:10.1117/12.941969

4 February 1988 Optical Second Harmonic Generation From Langmuir-Type Molecular Monolayers

G. Berkovic, Th. Rasing, Y. R. Shen

Proceedings Volume 0824, Advances in Nonlinear Polymers and Inorganic Crystals, Liquid Crystals and Laser Media; (1988) https://doi.org/10.1117/12.941969
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

A single molecular layer is generally sufficient to produce observable optical second harmonic generation (SHG). Furthermore, the selection rules governing this process make the SHG from a single monolayer often stronger than that from the medium supporting the monolayer. We have studied SHG from various Langmuir-type monolayers (i.e. monolayers spread on a water surface) in the following contexts: (1) Study of chemical reactions (e.g. polymerization) and two-dimensional phase transitions in molecular monolayers on water. (2) Development of a new technique to evaluate optical nonlinear coefficients of organic molecules, and their relationship to the molecular structure.

Citation Download Citation

G. Berkovic, Th. Rasing, and Y. R. Shen "Optical Second Harmonic Generation From Langmuir-Type Molecular Monolayers", Proc. SPIE 0824, Advances in Nonlinear Polymers and Inorganic Crystals, Liquid Crystals and Laser Media, (4 February 1988); https://doi.org/10.1117/12.941969

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