A theoretical and experimental study on optical limiting in platinum nanoparticles
作者： Shiliang Qu , Yinglin Song , Hanfan Liu , Yuxiao Wang , Yachen Gao
DOI: 10.1016/S0030-4018(02)01134-3
关键词: Platinum nanoparticles 、 Transition metal 、 Nanosecond 、 Platinum 、 Excitation 、 Nanoparticle 、 Optics 、 Extinction (optical mineralogy) 、 Materials science 、 Nonlinear optics
摘要: Optical limiting performance of PVP-stabilized platinum nanoparticles in methanol is investigated with 8 ns pulses at 532 nm. The experimental results show that the possess strong optical effect. We propose a theoretical model based on Mie extinction theory to describe nonlinear (OL) behavior metal nanoparticles. analysis and main mechanism for OL can be attributed interband transition during excitation nanosecond pulses.
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