Two-photon absorption in nitrobenzol
- 1 January 1999
- journal article
- Published by IOP Publishing in Journal of Optics A: Pure and Applied Optics
- Vol. 1 (2) , 192-196
- https://doi.org/10.1088/1464-4258/1/2/013
Abstract
When nitrobenzol is illuminated by an intense picosecond pump beam at nm, it displays a two-photon absorption (TPA) phenomenon which can be explained by the presence of the excited states in the calculated level diagram. The combination of TPA and optical Kerr effect leads to a strong modulation of the transmission of a probe beam in the presence of a pump beam, according to their time delay.Keywords
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