Title :
Efficient singlet oxygen generation upon two-photon excitation of new porphyrin with enhanced nonlinear absorption
Author :
Karotki, Aliaksandr ; Kruk, Mikalai ; Drobizhev, Mikhail ; Rebane, Aleksander ; Nickel, Eric ; Spangler, Charles W.
Author_Institution :
Dept. of Phys., Montana State Univ., Bozeman, MT, USA
Abstract :
We demonstrate efficient generation of singlet oxygen upon two-photon excitation with 150-fs 780-nm laser pulses of a new porphyrin photosensitizer molecule whose two-photon absorption cross section has been considerably enhanced by chemical design
Keywords :
bio-optics; biochemistry; nonlinear optics; organic compounds; oxygen; photodynamic therapy; tumours; two-photon processes; 150 fs; 780 nm; chemical design; efficient singlet oxygen generation; enhanced nonlinear absorption; photodynamic therapy; photosensitizer molecule; porphyrin; two-photon absorption cross section; two-photon excitation; Absorption; Chemical lasers; Laser excitation; Lighting; Medical treatment; Neoplasms; Nickel; Optical pulse generation; Oxygen; Physics;
Journal_Title :
Selected Topics in Quantum Electronics, IEEE Journal of
DOI :
10.1109/2944.983301
