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Proceedings Paper

Poled polymer thin film gratings studied by near-field second harmonic optical microscopy and far-field optical diffraction
Author(s): Richard D. Schaller; Richard J. Saykally; Yuen-Ron Shen; Francois Lagugne-Labarthet
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Paper Abstract

Electrical poling induces polar ordering of molecules in a grating that has been holographically inscribed on a thin film of polymer functionalized with azobenzene side chains. Depending on the surface relief amplitude, the resulting χ(2) grating, seen by second harmonic generation (SHG) near-field scanning optical microscopy (NSOM), can have a periodic structure significantly different from the topographical image. The far-field linear and SHG diffraction patterns correlate well with the grating structures. Poling of the thin-film grating, which presumably has photo-driven non-uniform material properties within each period, leads to the more complex structure of the χ(2) grating.

Paper Details

Date Published: 14 July 2003
PDF: 8 pages
Proc. SPIE 4991, Organic Photonic Materials and Devices V, (14 July 2003); doi: 10.1117/12.475452
Show Author Affiliations
Richard D. Schaller, Univ. of California, Berkeley (United States)
Richard J. Saykally, Univ. of California, Berkeley (United States)
Yuen-Ron Shen, Univ. of California, Berkeley (United States)
Francois Lagugne-Labarthet, Univ. of California, Berkeley (United States)

Published in SPIE Proceedings Vol. 4991:
Organic Photonic Materials and Devices V
James G. Grote; Toshikuni Kaino, Editor(s)

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