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Photoselection of Luminescent Molecules in Anisotropic Media in the Case of Two-Photon Excitation. Part I. Theoretical Considerations
1994
Zeitschrift fur Naturforschung A-A Journal of Physical Sciences
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AbstractPhotoselection of elongated luminescent molecules oriented in a stretched polymer film is considered theoretically for the case of two- and three-photon excitation, having in mind the employment of this phenomenon for determining the angle between the absorption and emission transition moments. Two-photon photoselection provides information on electronic excited states which are not detectable by conventional one-photon spectroscopy due to selection principles.
doi:10.1515/zna-1994-1005
fatcat:jbhrd4pcava7dd6g2vl7ycvyy4