Multi-photon absorption and optical limiting from six stilbazolium derivatives: Donor influences

  • Zhan C
  • Li Y
  • Li D
 et al. 
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The linear absorption, multi-photon absorption and subsequently induced optical limiting from Six Stilbazolium derivatives with different donor units were studied with a mode-locked/Q-switched Nd:YAG pulses with a duration of 35 ps and a repetition of 10 Hz at 1064 nm. The measured molecular 3PA and 2PA cross-sections (σ3/σ2) were in the order of 10-76cm6s2and 10-47-10-46cm4s/photon, respectively. It was observed that the σ3values increase linearly with increasing the electron-donating ability of the donor units, from N-methylpyrrole, to pyrrole, to furan, and to thiophene. Similar influences were observed for the σ2values. © 2005 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Nonlinear optics
  • Optical limiting
  • Stilbazolium derivative
  • Three-photon absorption
  • Two-photon absorption

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  • Chuanlang Zhan

  • Yunjing Li

  • Dehua Li

  • Duoyuan Wang

  • Yuxin Nie

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