OPTICAL-FIBER RAMAN PROBE WITH LOW-BACKGROUND INTERFERENCE BY SPATIAL OPTIMIZATION

被引：29

作者：

MA, JY ^{[1
]}

LI, YS ^{[1
]}

机构：

[1] MEMPHIS STATE UNIV,DEPT CHEM,MEMPHIS,TN 38152

来源：

APPLIED SPECTROSCOPY | 1994年 / 48卷 / 12期

关键词：

OPTICAL FIBERS; RAMAN; SERS; SERRS; TRACE ANALYSIS;

D O I：

10.1366/0003702944027831

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A Raman probe was set up with optical fibers and a graded refractive index (GRIN) lens. It was found that the Raman background arising from optical fiber was spatially dependent, while normal Raman (NR) scattering, surface-enhanced Raman scattering (SERS), and surface-enhanced resonance Raman scattering (SERRS) were spatially independent. SpatiaI optimization was carried out to minimize the background interference of the optical fiber Raman probe with the use of benzoic acid as a test sample. The best configuration of the probe could also be applied to both SERS and SERRS. SER spectra of p-nitrophenol (1.0 x 10(-3) M) and SERR spectra of methyl red (1.0 x 10(-6) M) were obtained with the use of this probe to check its performance.

引用

页码：1529 / 1531

页数：3

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