Multiphoton and Light Driven Multielectron Processes in Organics: New Phenomena, Materials and Applications

A state of the art description of organic photo- and electroactive molecules and their practical applications. Topics covered include molecular design and synthesis of highly light sensitive molecules and phenomena associated with electron-photon interaction in organic molecules: nonlinear beam propagation, photorefractivity, multiphoton excitations and absorption, charge photogeneration and mobility, photo- and electroluminescence, photochromism and electrochromism, organic synthesis, material engineering and processing. Applications are addresses: optical data storage, LEDs, optical signalling processing, optical power limiters.

Zusammenfassung
Proceedings of the NATO Advanced Research Workshop, Menton, France, 26-31 August, 1999

Inhalt
Nonlinear materials and processes for electronic devices and 3D optical storage memory applications.- Two-photon processes: dynamics and applications.- Linear and nonlinear optical properties of improved single crystal PTS.- Optical limiting: Characterization & numerical modeling.- Theoretical design of organic chromophores with large two-photon absorp-tion cross-sections.- Multiphoton absorption and optical limiting.- Molecular and material engineering for optical limiting with fullerene based sol-gel materials.- A new approach for optical limiting in the IR.- Quantum confinement and superradiance of self-trapped excitons from 1D J-aggregates.- The mixing of Frenkel-and charge-transfer excitons in 1D structures:application to PTCDA and MePTCDI.- Modelling of bithiophene ultrafast photophysics: Electronic oscillator and molecular geometry evolution.- Hole burning spectroscopy of organic glasses. Application for the investiga-tion of low temperature glass dynamics.- Leaky modes in nonlinear optical resonators.- Towards stable materials for electro-optic modulation and photorefractive applications. From molecular engineering of NLO chromophores to elabora-tion of hybrid organic-inorganic materials.- On the coherent and incoherent image conversion in hybrid polymer liquid crystal structures.- Optically addressed liquid crystal light valves and their applications.- Dye-assisted optical reorientation of nematic liquid crystals.- Photochromic materials in holography.- Kinetics of photochromic processes in dihydropyridine derivatives.- Photocolouration of hypervalent heterocycles. Photochromism of dihydro-Pyridines pyrans and thiopyrans.- Photoconductivity of organic solids and their confined structures.- Polarization gratings in Disperse Red 1 doped polystyrene.- Modeling PTCDA spectra and polymer excitations.- Physics of organic electroluminescence.- Polydiacetylene microcrystals and their third-order optical nonlinearity.- Strong coupling in organic semiconductor microcavities based on J-aggre-gates.- Electron acceptors of the fluorene series in photonics and electronics:Recent achievements and perspectives.- Design and synthesis of photochromic systems.- Photo-Induced multielectron transfer in organic crystals with mixed-stack architecture.- Polarization dependent holographic write read and erasure of surface relief gratings on azopolymer films.- Study of stilbene molecule trans-cis izomerization in first excited state and design of molecular random-walkers.- Cooperativity at neutral-ionic transformation.- Holographic data storage with organic polymer films.- NLO polymers containing as active chromophore in dandionyl-pyridinium betaine units: synthesis modeling and characterization.- A study on the film morphology and photophysics of polyfluorene.- Synthesis and characterization of the 2:1 copper (II) complexes with 4arylazo-pyrazol-5-one derivatives.- A study of Rydberg bands in the photoabsorption spectra of sandwich organometallics: the first step to the investigation of multiphoton processes in the organometallic molecules.- An accurate wave model for conservative molecular systems.- Working group reports.