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Proceedings Paper

Energy relaxation peculiarities in VO phthallocyanine film
Author(s): V. Butvilas; Vidmantas Gulbinas; Augustine Urbas; Ya. I. Vertsimakha
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Paper Abstract

The picosecond pump-probe technique has been used to investigate the transient spectra and absorption kinetics of thermally evaporated VO-phthalocyanine film. The annihilation of excitations, heating of the film, and hypersonic strain wave generation were found to cause picosecond absorption changes after intense excitation. Hypersonic strain waves were determined to manifest most significantly in the region of a charge transfer absorption band. This fact is explained by the sensitivity of the transitions with intermolecular charge transfer to the distance between interacting molecules.

Paper Details

Date Published: 30 November 1992
PDF: 4 pages
Proc. SPIE 1842, Mode-Locked Lasers and Ultrafast Phenomena, (30 November 1992); doi: 10.1117/12.131856
Show Author Affiliations
V. Butvilas, Lithuanian Institute of Physics (Lithuania)
Vidmantas Gulbinas, Lithuanian Institute of Physics (Lithuania)
Augustine Urbas, Lithuanian Institute of Physics (Lithuania)
Ya. I. Vertsimakha, Institute of Physics (Ukraine)


Published in SPIE Proceedings Vol. 1842:
Mode-Locked Lasers and Ultrafast Phenomena

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