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SHUXIA LI1, YUMENG CHI1, WENZHI WU1, DEGUI KONG1, YACHEN GAO1,*
The optical nonlinear absorption of the gold nanoparticles protected by C60 derivative was investigated by using open aperture Z scan experiments with nanosecond pulse laser at wavelength of 532 nm. The shift from saturable absorption (SA) to reverse saturable absorption (RSA) was observed with increasing input pump intensities . The SA was ascribed to the bleaching of ground state plasmon band and the RSA was ascribed to excited state absorption of material. T he competition of the two different effects caused the observed switching behavior in gold nanoparticles..
Saturable absorption, Reverse saturable absorption, Nanoparticle, Z-scan.
SHUXIA LI, YUMENG CHI, WENZHI WU, DEGUI KONG, YACHEN GAO, Change of optical nonlinear absorption in gold nanoparticles, Optoelectronics and Advanced Materials - Rapid Communications, 11, 1-2, January-February 2017, pp.42-45 (2017).
Submitted at: Jan. 21, 2016
Accepted at: Feb. 10, 2017
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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