Two-photon absorption and fluorescence properties of benzothiadiazole dyes

Motoyuki Shigeiwa, Hideki Gorohmaru, Shuuichi Maeda, Shin Ichiro Kato, Tsutomu Ishi-i, Thiemann Thies, Shuntaro Mataka

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Two-photon absorption (TPA) and fluorescence properties of novel donor-acceptor-donor type 2,1,3-benzothiadiazole (BTD) dyes were investigated using 120 femtoseconds laser pulses. TPA cross-sections were measured by nonlinear transmittance measurements with an open-aperture Z-scan method. The BTD dyes have considerably large TPA cross-sections and strong red-fluorescence via TPA process.

Original languageEnglish
Pages (from-to)171-174
Number of pages4
JournalNonlinear Optics Quantum Optics
Volume34
Issue number1-4 SPEC. ISS.
Publication statusPublished - 2005
Externally publishedYes

Keywords

  • Benzothiadiazole dyes
  • Femtoseconds laser
  • Nonlinear transmittance measurement
  • Two-photon absorption
  • Two-photon excited fluorescence
  • Z-scan

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Electronic, Optical and Magnetic Materials
  • General Computer Science
  • Atomic and Molecular Physics, and Optics
  • Instrumentation

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