Nonlinear Effects in Chromophore Doped Sol-Gel Photonic Materials

X. D. Sun, X. J. Wang, W. Shan, J. J. Song, M. G. Fan, E. T. Knobbe

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Linear and nonlinear optical effects have been studied in chromophore-doped gel hosts. Tetra-4-sulfonatophenylporphyrinatocopper(II) (CuTPPS), and 1,3-dihydro-1,3,3-trimethylspiro[2H-indole-2,3′-[3H]-naphth[2,1-b][1,4] oxazine] (SP spirooxazine) species were entrapped within porous aluminosilicate hosts. Optical limiting effects and radiative up-conversion behavior in the CuTPPS-doped materials are described, and a six-level model is proposed based on experimental findings. Spirooxazine-containing specimens exhibiting photochromic effects were prepared, and cw and time-resolved spectroscopy methods are used to assess excited state band structures and the nature of guest-host interactions in the resultant gels.

Original languageEnglish
Pages (from-to)169-181
Number of pages13
JournalJournal of Sol-Gel Science and Technology
Volume9
Issue number2
DOIs
StatePublished - 1997

Keywords

  • Aluminosilicate gel
  • Metalloporphyrin
  • Non-linear absorption
  • Spirooxazine
  • Time-resolved spectroscopy

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