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Number of results
1999 | 95 | 2 | 207-220

Article title

Picosecond Transient Absorption of Xanthene Dyes

Content

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Languages of publication

EN

Abstracts

EN
After one- and two-colour ps-excitation the transient absorption of rose bengal, erythrosin B and eosin Y in the spectral range from 450 to 670 nm was probed using picosecond continuum pulses generated in H_{2}O-D_{2}O mixture. Our experiments showed for all dyes a high T_{1}-T_{n} absorption signal above 590 nm where no ground state absorption occurs. These excited triplet states can be effectively populated by a delayed second pump pulse. Their properties with special attention to reverse intersystem crossing processes from T_{n} to S_{x} are discussed.

Keywords

EN

Contributors

author
  • Max-Born-Institut für Nichlineare Optik und Kurzzeitspektroskopie, Rudower Chaussee 6, 12489 Berlin, Germany
author
  • Max-Born-Institut für Nichlineare Optik und Kurzzeitspektroskopie, Rudower Chaussee 6, 12489 Berlin, Germany
author
  • Max-Born-Institut für Nichlineare Optik und Kurzzeitspektroskopie, Rudower Chaussee 6, 12489 Berlin, Germany
author
  • Max-Born-Institut für Nichlineare Optik und Kurzzeitspektroskopie, Rudower Chaussee 6, 12489 Berlin, Germany

References

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Publication order reference

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YADDA identifier

bwmeta1.element.bwnjournal-article-appv95z202kz
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