Fiber-optic remote sensor for in situ surface-enhanced Raman scattering analysis

An in situ SERS fiber-optic system for remote sensing was developed for exciting and collecting surface-enhanced Raman scattering (SERS) signals generated from a sensing probe having silver-coated microparticles deposited on a glass plate support. The geometry of the excitation and collection fibers...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 1990-11, Vol.62 (22), p.2437-2441
Main Authors: Bello, Job M, Narayanan, V. Anantha, Stokes, David L, Vo Dinh Tuan, .
Format: Article
Language:English
Subjects:
400102 - Chemical & Spectral Procedures
Analytical chemistry
Chemistry
Exact sciences and technology
FIBER OPTICS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
LASER SPECTROSCOPY
MEASURING INSTRUMENTS
MEASURING METHODS
RAMAN SPECTROSCOPY
REMOTE SENSING
RESOLUTION
SENSITIVITY
SIGNAL-TO-NOISE RATIO
Spectrometric and optical methods
SPECTROSCOPY
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Description
Summary:An in situ SERS fiber-optic system for remote sensing was developed for exciting and collecting surface-enhanced Raman scattering (SERS) signals generated from a sensing probe having silver-coated microparticles deposited on a glass plate support. The geometry of the excitation and collection fibers is a head-on arrangement, with the fibers on opposite sides of the SERS substrate and with the angle between the fibers equal to 180{degree}. Remote measurements are performed with the SERS probe and the collection fibers immersed in the analyte solution. The analytical data relevant to the performance of the SERS fiber-optic system, such as spectral characteristics, limits of detection, signal response, and temporal behavior, are described.
ISSN:0003-2700
1520-6882
DOI:10.1021/ac00221a005