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Daytona Beach



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Over the past decades organic materials have shown an important potential for applications in the field of nonlinear optics. Two-photon absorbing materials can be optically addressed in three dimensions of space, which make them unique for many new applications, including 3D displays, optical memories, bio-sensors, etc. Fluorescent organic chromophores can be synthesized with structures especially optimized for this nonlinear optical property. Yet, for some applications, they have to be incorporated in solid state matrices. We especially investigate hybrid organic/inorganic doped matrices synthesized by solgel process. However , the linear transmission for such molecules is often significantly less than unity. Two-photon absorption (TPA) offers the advantage of very high transmission at low incident intensity, while being sensitive to high intensity laser pulses. Our aim is to record a 3D layered pattern of optical memory inside the sample by the use of the picosecond pulsed ND3+:YAG laser at 532nm, or 1064nm.


Paris, France

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NSF-REU Research Paper

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This summer research program REU (Research Experiences for Undergraduates in Lasers and Optics) was possible due to collaboration between CREOL (School of Optics from University of Central Florida) and IOTA (Ecole Supérieure d'Optique/Insitut d’Optique) and was sponsored by CREOL and NSF. Special thanks to my advisor from IOTA Dr. Michael Canva, and also the advisor from CREOL Dr. Kathleen A Richardson. I also want to mention other people that participated in this program: from IOTA Dr.Yves Levy, Dr. Marc Bondiou, the Ph.D. student that helped me setting up the experiments Giselle Roger; from UCF Dr. Madi Dogariu and Dr. Bhimsen Shivamoggi and from ESPCI (Ecole Supérieure de Physique et de Chimie Industrielles) Benoit Forget and François Ramaz part of the photorefractive materials group.

Dr. Mancas was not affiliated with Embry-Riddle Aeronautical University at the time this paper was published.