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Proceedings Paper

Sub-5-fs spectroscopy of several organic systems
Author(s): Takayoshi Kobayashi
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Paper Abstract

Transform-limited (TL) visible pulses with as short as sub-5-fs duration have been generated from a noncollinear optical parameteric amplifier and applied to the study of polyacetylene, polydiacetylene, azobenzene, and J-aggregates of porphyrin for optical devices. We also report the first direct observation of structural changes in a complex biological system, the chromophore of bacteriorihodopsin, as it undergoes the trans-cis photoisomerization by monitoring changes in the vibrational spectra of the transition state.

Paper Details

Date Published: 14 July 2003
PDF: 5 pages
Proc. SPIE 4991, Organic Photonic Materials and Devices V, (14 July 2003); doi: 10.1117/12.501183
Show Author Affiliations
Takayoshi Kobayashi, Univ. of Tokyo (Japan)


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

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