Three-Photon Induced Optical Limiting of a Novel Multibranched Nonlinear Chromophore Containing Carbazole Moiety

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A novel multibranched nonlinear chromophore containing carbazole moiety,4, 4´, 4´´-tris(9-(3,6-tert-butyl)carbazyl-trans-styryl) -1, 3, 5-triphenylbenzene (TCSTPB),was synthesized and characterized by 1HNMR and elemental analysis. One-photon absorption in chloroform shows the optical transparent property of the chromophore in the near infrared region. The properties of optical power limiting induced by three-photon absorption (3PA) are demonstrated. Large 3PA coefficients and the corresponding 3PA molecular cross section as high as 10-74 cm6 s2 was obtained pumped by picosecond laser pulse at 1.06 μm from nonlinear transmission measurements.

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Edited by:

Mingjin Chu, Xiangran Li, Jingzhou Lu, Xingmin Hou and Xiaogang Wang

Pages:

2851-2854

Citation:

Z. Y. Hu et al., "Three-Photon Induced Optical Limiting of a Novel Multibranched Nonlinear Chromophore Containing Carbazole Moiety", Applied Mechanics and Materials, Vols. 170-173, pp. 2851-2854, 2012

Online since:

May 2012

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