Enhancement and extinction effects in surface-enhanced stimulated Raman spectroscopy

被引：9

作者：

Chng, B. X. K. ^{[1
,2
]}

van Dijk, T. ^{[1
]}

Bhargava, R. ^{[1
,3
]}

Carney, P. S. ^{[1
,2
]}

机构：

[1] Univ Illinois, Beckman Inst Adv Sci & Technol, Urbana, IL 61801 USA

[2] Univ Illinois, Dept Elect & Comp Engn, Urbana, IL 61801 USA

[3] Univ Illinois, Dept Bioengn, Urbana, IL 61801 USA

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2015年 / 17卷 / 33期

关键词：

SCATTERING; PARTICLES; PROBES; MODEL; SERS;

D O I：

10.1039/c4cp05089d

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We address the optical physics of surface-enhanced stimulated Raman spectroscopy (SESRS) from the microscopic to macroscopic scales to provide experimental design criteria in colloidal-suspension SESRS. The nanoparticles that provide local field enhancement also extinguish the Raman signal. We compute the total Raman signal detected from a suspension of Raman-active molecules and nanoparticles due to the cumulative effects of enhancement and extinction and find optimum operating parameters for pump frequency and nanoparticle concentration.

引用

页码：21348 / 21355

页数：8

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