Title :
Very efficient multi-photon absorption in porphyrins with extended /spl pi/-conjugation
Author :
Drobizhev, M. ; Karotki, A. ; Anderson, H.L. ; Rebane, A.
Abstract :
We report a dramatic enhancement of multiphoton absorption in porphyrins in near-infrared range. This is achieved by the near-resonance conditions for each photon to be absorbed and by an extension of molecular /spl pi/-conjugation.
Keywords :
infrared spectra; molecular biophysics; multiphoton spectra; optical materials; organic compounds; molecular /spl pi/-conjugation; multiphoton absorption; near-infrared range; near-resonance conditions; porphyrins; Absorption; Fluorescence; Laser excitation; Laser tuning; Measurement standards; Physics; Power measurement; Pulse amplifiers; Pulse measurements; Resonance;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.237846
