Fu-quan Guo¤, Xiao-lao Sun, Hao Liang, Zhi-yuan Hu, Qi-jin Zhang, Hai Ming. Spectroscopic Properties and Three-photon Absorption Induced Optical Limiting of Series of Novel Nonlinear Chromophores[J]. Chinese Journal of Chemical Physics , 2008, 21(3): 227-232. doi: 10.1088/1674-0068/21/03/227-232
Citation: Fu-quan Guo¤, Xiao-lao Sun, Hao Liang, Zhi-yuan Hu, Qi-jin Zhang, Hai Ming. Spectroscopic Properties and Three-photon Absorption Induced Optical Limiting of Series of Novel Nonlinear Chromophores[J]. Chinese Journal of Chemical Physics , 2008, 21(3): 227-232. doi: 10.1088/1674-0068/21/03/227-232

Spectroscopic Properties and Three-photon Absorption Induced Optical Limiting of Series of Novel Nonlinear Chromophores

doi: 10.1088/1674-0068/21/03/227-232
Funds:  This work was supported by the National Natural Science Foundation of China (No.90201016).
  • Received Date: 2007-08-25
  • Rev Recd Date: 2007-12-28
  • Three novel nonlinear chromophores with symmetric D-π-D molecular structure and extended conjugated length were synthesized. Solvatochromism analysis shows great symmetric intramolecular charge transfer occurring in chromophores by the enhancement in the dipole moment between the ground and excited states. The properties of optical power limiting induced by three-photon absorption (3PA) are demonstrated. Large 3PA coefficients and the corresponding molecular cross sections as high as 10-74 cm6s2 were obtained for nanosecond laser pulses at 1.06 μm from nonlinear transmission measurements.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Spectroscopic Properties and Three-photon Absorption Induced Optical Limiting of Series of Novel Nonlinear Chromophores

doi: 10.1088/1674-0068/21/03/227-232
Funds:  This work was supported by the National Natural Science Foundation of China (No.90201016).

Abstract: Three novel nonlinear chromophores with symmetric D-π-D molecular structure and extended conjugated length were synthesized. Solvatochromism analysis shows great symmetric intramolecular charge transfer occurring in chromophores by the enhancement in the dipole moment between the ground and excited states. The properties of optical power limiting induced by three-photon absorption (3PA) are demonstrated. Large 3PA coefficients and the corresponding molecular cross sections as high as 10-74 cm6s2 were obtained for nanosecond laser pulses at 1.06 μm from nonlinear transmission measurements.

Fu-quan Guo¤, Xiao-lao Sun, Hao Liang, Zhi-yuan Hu, Qi-jin Zhang, Hai Ming. Spectroscopic Properties and Three-photon Absorption Induced Optical Limiting of Series of Novel Nonlinear Chromophores[J]. Chinese Journal of Chemical Physics , 2008, 21(3): 227-232. doi: 10.1088/1674-0068/21/03/227-232
Citation: Fu-quan Guo¤, Xiao-lao Sun, Hao Liang, Zhi-yuan Hu, Qi-jin Zhang, Hai Ming. Spectroscopic Properties and Three-photon Absorption Induced Optical Limiting of Series of Novel Nonlinear Chromophores[J]. Chinese Journal of Chemical Physics , 2008, 21(3): 227-232. doi: 10.1088/1674-0068/21/03/227-232

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