Enhanced Two-Photon 3D Optical Storage in a Novel Multibranched-Dye Doped Photobleaching Polymer

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A novel multibranched nonlinear dye,4, 4´, 4´´-tris(9-carbazyl-trans-styryl) triphenylamine (TCSTPA),has been designed and synthesized aimed at two-photon absorption applications. Two-photon absorption cross section of the multibranched dye was obtained as high as 2.35×10-47 cm4 s photon-1 molecule-1 pumped with femtosecond laser beam at 800 nm. One-photon and two-photon absorption optical properties were demonstrated in solutions. Three-dimensional (3D) optical data storage experiments were carried out by two-photon photobleaching in the multibranched-dye doped polymethylmethacryate (PMMA) with a 3D data storage density of approximate 14 Gbits/cm3. Research on the two-photon photobleaching ability shows the novel two-photon absorption dye with multibranched molecular motif has higher photosensitivity than traditional linear two-photon absorption dyes do.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Edited by:

Wenzhe Chen, Qiang Li, Yonglu Chen, Pinqiang Dai and Zhengyi Jiang

Pages:

1245-1248

Citation:

F. Q. Guo et al., "Enhanced Two-Photon 3D Optical Storage in a Novel Multibranched-Dye Doped Photobleaching Polymer", Advanced Materials Research, Vols. 476-478, pp. 1245-1248, 2012

Online since:

February 2012

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$41.00

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