Design of organic molecules with large two-photon absorption cross sections

Science

Volumn 281, Issue 5383, 1998, Pages 1653-1656

  Albota, Marius ^a   Beljonne, David ^a   Brédas, Jean Luc ^a   Ehrlich, Jeffrey E ^a   Fu, Jia Ying ^a   Heikal, Ahmed A ^a   Hess, Samuel E ^a   Kogej, Thierry ^a   Levin, Michael D ^a   Marder, Seth R ^a   McCord Maughon, Dianne ^a   Perry, Joseph W ^a   Röckel, Harald ^a   Rumi, Mariacristina ^a   Subramaniam, Girija ^a   Webb, Watt W ^a   Wu, Xiang Li ^a   Xu, Chris ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

BENZENE DERIVATIVE;

ARTICLE; CHEMICAL STRUCTURE; FLUOROSCOPY; MOLECULE; OPTICAL ROTATION; PHOTON ABSORPTIOMETRY; PHOTOSENSITIVITY; PRIORITY JOURNAL;

ANILINE COMPOUNDS; CHEMISTRY, PHYSICAL; FLUORESCENCE; PHOTOCHEMISTRY; PHOTONS; STILBENES;

EID: 0032508693     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.281.5383.1653     Document Type: Article

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20. -4 M concentration); an approximately collimated beam was used to excite the samples over the 1-cm length of the cuvettes. The fluorescence emitted at right angles to the excitation was collected and focused onto photomultiplier tube detectors. The intensity of the incident beam was adjusted to assure excitation in the intensity-squared regime.
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24. Support from the NSF (Chemistry Division), Office of Naval Research, and the Air Force Office of Scientific Research (AFOSR) and its Defense University Research Instrumentation Program at the California Institute of Technology is gratefully acknowledged. The research described in this paper was performed in part by the Jet Propulsion Laboratory, California Institute of Technology, as part of its Center for Space Microelectronics Technology, and was supported by the Ballistic Missile Defense Organization, Innovative Science and Technology Office and AFOSR through an agreement with NASA. The work in Mons was carried out within the framework of the Belgium Prime Minister Office of Science Policy "Pôle d'Attraction Interuniversitaire en Chimie Supramoléculaire et Catalyse" PAI 4/11 and is partly supported by the Belgium National Fund for Scientific Research (FNRS-FRFC) and an IBM-Belgium Academic Joint Study; D.B. is a Chercheur Qualifié FNRS, and T.K. is a Ph.D. grant holder of Fund for Research in Industry and Agriculture. The femtosecond two-photon fluorescence excitation cross-section measurements were carried out in the Developmental Resource for Biophysical Imaging Opto-electronics at Cornell University with support of NIH-National Center of Research Resources and NSF. G.S. acknowledges support from the NASA-JOVE program.