Optical nonlinearities of Au nanoparticles and Au/Ag coreshells

Jae Tae Seo; Qiguang Yang; Wan-Joong Kim; Jinhwa Heo; Seong-Min Ma; Jasmine Austin; Wan Soo Yun; Sung Soo Jung; Sang Woo Han; Bagher Tabibi

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Optical nonlinearities of Au nanoparticles and Au/Ag coreshells

机译：Au纳米颗粒和Au / Ag核壳的光学非线性

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Au nanoparticles exhibited both negative and positive nonlinear absorptions with ground-state plasmon bleaching and free-carrier absorption that could be origins of the saturable and reverse-saturable optical properties. Au/Ag coreshells displayed only positive nonlinear absorption and reverse-saturable optical properties as a function of excitation intensity at the edge of surface-plasmon resonance, which implies no ground-state plasmon bleaching and the existence of two-photon absorption.

机译：金纳米颗粒同时表现出负和正非线性吸收以及基态等离子体激元漂白和自由载流子吸收，这可能是可饱和和可逆饱和光学性质的起源。 Au / Ag核壳在表面等离子体共振边缘处仅显示正非线性吸收和反向饱和光学性质，这是激发强度的函数，这意味着没有基态等离子体激元漂白和存在双光子吸收。

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《Optics Letters》 |2009年第3期|共3页
作者
Jae Tae Seo; Qiguang Yang; Wan-Joong Kim; Jinhwa Heo; Seong-Min Ma; Jasmine Austin; Wan Soo Yun; Sung Soo Jung; Sang Woo Han; Bagher Tabibi;
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正文语种 eng
中图分类光学;
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1. Optical nonlinearities of Au nanoparticles and Au/Ag coreshells [J] . Jae Tae Seo, Qiguang Yang, Wan-Joong Kim, Optics Letters . 2009,第3期

机译：Au纳米颗粒和Au / Ag核壳的光学非线性
2. Ultrafast excited state dynamics and femtosecond nonlinear optical properties of laser fabricated Au and Ag_(50)Au_(50) nanoparticles [J] . Krishnakanth K. N., Chandu Byram, Bharathi M. S. S., Optical Materials . 2019,第Sepa期

机译：激光制备的Au和Ag_（50）Au_（50）纳米粒子的超快激发态动力学和飞秒非线性光学性质
3. Optical and magneto-optical properties of Au:Co_(nanoparticles) and Co:Au(nanoparticles) doped magnetoplasmonic systems [J] . D. Martin-Becerra, J. M. Garcia-Martin, Y. Huttel, Journal of Applied Physics . 2015,第5期

机译：Au：Co_（纳米粒子）和Co：Au（纳米粒子）掺杂的磁等离子体系统的光学和磁光性质
4. Optical properties of core-shell Ag@Au and Au@Ag nanoparticles [C] . Géza Szántó, István Csarnovics, Attila Bonyár IEEE International Symposium for Design and Technology in Electronic Packaging . 2020

机译：Core-Shell Ag @ Au和Au @ Ag纳米粒子的光学性质
5. Large third-order nonlinear optical susceptibilities in Au:dielectric composite films measured by DFWM [D] . Liao, Hongbo 1997

机译：AU的大型三阶非线性光学敏感性：DFWM测量的介电复合膜
6. Morphology Optical Properties and Photocatalytic Activity of Photo- and Plasma-Deposited Au and Au/Ag Core/Shell Nanoparticles on Titania Layers [O] . Alexander Müller, Sandra Peglow, Michael Karnahl, 2018

机译：二氧化钛层上光沉积和等离子体沉积的Au和Au / Ag核/壳纳米粒子的形貌光学性质和光催化活性
7. Sensitive Sulfide Monitoring in Live Cells by Dark-Field Microscopy Based on the Formation of Ag2S on Au@AgI CoreShell Nanoparticles [O] . -1

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Optical nonlinearities of Au nanoparticles and Au/Ag coreshells

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