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Development of a fiber-optics microspatially offset Raman spectroscopy sensor for probing layered materials

(2017) ANALYTICAL CHEMISTRY. 89(17). p.9218-9223
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Abstract
Microspatially offset Raman spectroscopy (micro-SORS) has been proposed as a valuable approach to sample molecular information from layers that are covered by a turbid (nontransparent) layer. However, when large magnifications are involved, the approach is not straightforward, as spatial constraints exist to position the laser beam and the objective lens with the external beam delivery or, with internal beam delivery, the maximum spatial offset achievable is restricted. To overcome these limitations, we propose here a prototype of a new micro-SORS sensor, which uses bare glass fibers to transfer the laser radiation to the sample and to collect the Raman signal from a spatially offset zone to the Raman spectrometer. The concept also renders itself amenable to remote delivery and to the miniaturization of the probe head which could be beneficial for special applications, e.g., where access to sample areas is restricted. The basic applicability of this approach was demonstrated by studying several layered structure systems. Apart from proving the feasibility of the technique, also, practical aspects of the use of the prototype sensor are discussed.
Keywords
SCATTERING, MINERALS, ARCHAEOLOGY, SPECTRA, ART

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Chicago
Vandenabeele, Peter, Claudia Conti, Anastasia Rousaki, Luc Moens, Marco Realini, and Pavel Matousek. 2017. “Development of a Fiber-optics Microspatially Offset Raman Spectroscopy Sensor for Probing Layered Materials.” Analytical Chemistry 89 (17): 9218–9223.
APA
Vandenabeele, P., Conti, C., Rousaki, A., Moens, L., Realini, M., & Matousek, P. (2017). Development of a fiber-optics microspatially offset Raman spectroscopy sensor for probing layered materials. ANALYTICAL CHEMISTRY, 89(17), 9218–9223.
Vancouver
1.
Vandenabeele P, Conti C, Rousaki A, Moens L, Realini M, Matousek P. Development of a fiber-optics microspatially offset Raman spectroscopy sensor for probing layered materials. ANALYTICAL CHEMISTRY. 2017;89(17):9218–23.
MLA
Vandenabeele, Peter, Claudia Conti, Anastasia Rousaki, et al. “Development of a Fiber-optics Microspatially Offset Raman Spectroscopy Sensor for Probing Layered Materials.” ANALYTICAL CHEMISTRY 89.17 (2017): 9218–9223. Print.
@article{8532246,
  abstract     = {Microspatially offset Raman spectroscopy (micro-SORS) has been proposed as a valuable approach to sample molecular information from layers that are covered by a turbid (nontransparent) layer. However, when large magnifications are involved, the approach is not straightforward, as spatial constraints exist to position the laser beam and the objective lens with the external beam delivery or, with internal beam delivery, the maximum spatial offset achievable is restricted. To overcome these limitations, we propose here a prototype of a new micro-SORS sensor, which uses bare glass fibers to transfer the laser radiation to the sample and to collect the Raman signal from a spatially offset zone to the Raman spectrometer. The concept also renders itself amenable to remote delivery and to the miniaturization of the probe head which could be beneficial for special applications, e.g., where access to sample areas is restricted. The basic applicability of this approach was demonstrated by studying several layered structure systems. Apart from proving the feasibility of the technique, also, practical aspects of the use of the prototype sensor are discussed.},
  author       = {Vandenabeele, Peter and Conti, Claudia and Rousaki, Anastasia and Moens, Luc and Realini, Marco and Matousek, Pavel},
  issn         = {0003-2700},
  journal      = {ANALYTICAL CHEMISTRY},
  keyword      = {SCATTERING,MINERALS,ARCHAEOLOGY,SPECTRA,ART},
  language     = {eng},
  number       = {17},
  pages        = {9218--9223},
  title        = {Development of a fiber-optics microspatially offset Raman spectroscopy sensor for probing layered materials},
  url          = {http://dx.doi.org/10.1021/acs.analchem.7b01978},
  volume       = {89},
  year         = {2017},
}

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