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Enhancement of the second harmonic signal of nonlinear crystals by self-assembled gold nanoparticles
Autor:
Monika Fleischer, Nadim Shaqqura, Dai Zhang, Alfred J. Meixner, Dieter P. Kern, Emre Gürdal, Anke Horneber
Publikováno v:
The Journal of Chemical Physics. 152:104711
In second harmonic generation (SHG), the energy of two incoming photons, e.g., from a femtosecond laser, can be combined in one outgoing photon of twice the energy, e.g., by means of a nonlinear crystal. The SHG efficiency, however, is limited. In th