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Two-photon mapping of local molecular orientations in hexaphenyl nanofibers

✍ Scribed by Jonas Beermann; Sergey I Bozhevolnyi; Vladimir G Bordo; Horst-Guenter Rubahn

Book ID
103870729
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
327 KB
Volume
237
Category
Article
ISSN
0030-4018

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Two-photon near-field mapping of local m
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✍ J. Beermann; S.I. Bozhevolnyi; F. Balzer; H.-G. Rubahn πŸ“‚ Article πŸ“… 2005 πŸ› John Wiley and Sons 🌐 English βš– 278 KB

Two-photon excited near field images of hexaphenyl nanofibers are obtained using a scanning near field optical microscope in transmission configuration. From polarized measurements the orientations of the molecular basis units of the fibers are determined with a resolution of better than 400 nm. The

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Two-photon mapping of molecular orientations in hexaphenyl microrings
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Using a far-field second harmonic scanning optical microscope with a tightly focused beam being incident perpendicular to the surface, we have observed two-photon luminescence from microrings consisting of organic hexaphenyl molecules that form ringlike (diameter β‰ˆ 5 ΞΌm), β‰ˆ 500-nm-high and very thin