| Issue |
EPJ Web of Conferences
Volume 41, 2013
XVIIIth International Conference on Ultrafast Phenomena
|
|
|---|---|---|
| Article Number | 05002 | |
| Number of page(s) | 3 | |
| Section | Chemistry – Condensed Phase | |
| DOI | https://doi.org/10.1051/epjconf/20134105002 | |
| Published online | 13 March 2013 | |
https://doi.org/10.1051/epjconf/20134105002
Vibrational dynamics resolved with sub-10-fs deep-ultraviolet pulses
1 Advanced Ultrafast Laser Research Center, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585 Japan
2 JST, CREST, 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075 Japan
3 Department of Electrophysics, National Chiao-Tung University, 1001 Ta Hsueh Rd., Hsinchu 300 Taiwan
4 Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0971 Japan
Time-resolved ultrafast spectroscopy with sub-10-fs deep ultraviolet pulses was demonstrated for the first time. For the spectroscopy, the sub-10-fs pulses with smooth temporal and spectral profiles, which were suitable for spectroscopy, were prepared via the method of the broadband chirped-pulse four-wave mixing. The vibrational and electronically excited state dynamics in the aqueous solution of thymine were investigated with a sub-10-fs resolution. Vibrational wavepackets originating from the electronically excited state and ground state were observed simultaneously. Through this research, it was shown that the sub-10-fs pulses were successfully applied to the ultrafast spectroscopy, opening the door to the new research activity of ultrafast spectroscopy with a sub-10-fs time resolution in the deep ultraviolet.
© Owned by the authors, published by EDP Sciences, 2013
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