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http://hdl.handle.net/20.500.12358/25950
Title | Calculations of nonlinear optical properties of model Langmuir‐Blodgett films |
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Abstract |
Calculations have been performed on models of Langmuir‐Blodgett LB films to explore how molecular nonlinear response expresses itself in film response. The molecules are treated as a string of s beads initially arranged normal to the film with their long axes forming a close‐packed hexagonal array, but they are then allowed to tilt away from the vertical. The molecular polarizability α and first hyperpolarizability β are represented by one‐dimensional models in which the axial components are s times the perpendicular ones. Because of the layer structure of the films, the dipolar interactions are calculated as planewise sums between one molecule and all the molecules in a given layer. The sums have been calculated for various values of s as a function of tilt; they are negligible except for interactions of a molecule with its own layer. They have been used to calculate the local electric field, refractive index and … |
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Type | Journal Article |
Date | 1992 |
Published in | AIP Conference Proceedings |
Series | Volume: 262, Number: 1 |
Publisher | AIP |
Citation | |
Item link | Item Link |
License | ![]() |
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