Femtosecond absorption dynamics in glass-metal nanocomposites | Zendy

Mikko Halonen | Zendy; A. A. Lipovskiĭ | Zendy; Yuri Svirko | Zendy

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Femtosecond absorption dynamics in glass-metal nanocomposites

Author(s) -

Mikko Halonen,

A. A. Lipovskiĭ,

Yuri Svirko

Publication year - 2007

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.006840

Subject(s) - femtosecond , materials science , picosecond , copper , attenuation coefficient , absorption (acoustics) , optics , saturable absorption , doping , nonlinear optics , nanocomposite , relaxation (psychology) , optoelectronics , laser , fiber laser , nanotechnology , composite material , wavelength , psychology , social psychology , physics , metallurgy

We report strong optical nonlinearity of glasses embedded with copper and silver nanoparticles. In pump-probe experiments with copper-doped glasses, the observed absorption bleaching with picosecond relaxation time is as high as 22%. Transmission femtosecond measurementsreveal the reverse saturable absorption with nonlinear absorption coefficient of 10(-10)cm/W in both copper- and silver-doped nanocomposites.

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