Poled polymer thin-film gratings studied with far-field optical diffraction and second-harmonic near-field microscopy

Richard D Schaller, R. J. Saykally, Y. R. Shen, F. Lagugné-Labarthet

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Electrical poling induces polar ordering of molecules in a grating that has been holographically inscribed on a thin film of polymer with azobenzene side chains. The resulting χ(2) grating, seen by second-harmonic-generation (SHG) near-field scanning optical microscopy, can have a periodic structure that is 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 photodriven nonuniform material properties within each period, leads to the more complex structure of the χ(2) grating.

Original languageEnglish
Pages (from-to)1296-1298
Number of pages3
JournalOptics Letters
Volume28
Issue number15
Publication statusPublished - Aug 1 2003

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far fields
near fields
gratings
microscopy
harmonics
polymers
thin films
diffraction
harmonic generations
diffraction patterns
scanning
molecules

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Poled polymer thin-film gratings studied with far-field optical diffraction and second-harmonic near-field microscopy. / Schaller, Richard D; Saykally, R. J.; Shen, Y. R.; Lagugné-Labarthet, F.

In: Optics Letters, Vol. 28, No. 15, 01.08.2003, p. 1296-1298.

Research output: Contribution to journalArticle

Schaller, Richard D ; Saykally, R. J. ; Shen, Y. R. ; Lagugné-Labarthet, F. / Poled polymer thin-film gratings studied with far-field optical diffraction and second-harmonic near-field microscopy. In: Optics Letters. 2003 ; Vol. 28, No. 15. pp. 1296-1298.
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