Phototransformation and photoinduced oxygen uptake in C60 films irradiated by femtosecond laser pulses

Sergey V. Chekalin; Arkadi I. Ivanov; V. O. Kompanets; Boris N. Mavrin; Yu. A. Matveets; Andrei G. Stepanov; Nikolay N. Melnik; Bret C. Hess

doi:10.1117/12.340019

5 February 1999 Phototransformation and photoinduced oxygen uptake in C₆₀ films irradiated by femtosecond laser pulses

Sergey V. Chekalin, Arkadi I. Ivanov, V. O. Kompanets, Boris N. Mavrin, Yu. A. Matveets, Andrei G. Stepanov, Nikolay N. Melnik, Bret C. Hess

Author Affiliations +

Proceedings Volume 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine; (1999) https://doi.org/10.1117/12.340019
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

Photopolymerization and photoinduced diffusion of the molecular oxygen in oxygen bearing C₆₀ films by (lambda) equals 459, 514 nm continuous laser radiation and by 100-fs, (lambda) equals 395, 410 nm pulses were compared by visual observation of photodarkening spots and by recording the Raman spectra, in the range 200 - 1700 cm^-1, of the irradiated regions. It was found out that in the case of femtosecond pulses, the efficiencies of both photoinduced processes are significantly lower than those in the case of continuous radiation.

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Sergey V. Chekalin, Arkadi I. Ivanov, V. O. Kompanets, Boris N. Mavrin, Yu. A. Matveets, Andrei G. Stepanov, Nikolay N. Melnik, and Bret C. Hess "Phototransformation and photoinduced oxygen uptake in C₆₀ films irradiated by femtosecond laser pulses", Proc. SPIE 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, (5 February 1999); https://doi.org/10.1117/12.340019

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