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Study of Raman Spectroscopy to detect the Underlying Substance Concealed below Diffusely Scattering Medium

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DOI: 10.4236/opj.2013.32B064    3,174 Downloads   4,333 Views   Citations

ABSTRACT

Measurement and comparison of NaNO3 powder concealed in opaque and semi-transparent plastic bottles are carried out through conventional Raman spectroscopy and spatially offset Raman spectroscopy individually. The action mechanism why the spatially offset Raman spectroscopy can effectively detect the medium concealed in the non-transparent bottle is analyzed. The spatially offset Raman spectroscopy breaks through the detection neck of the conventional Raman spectroscopy (the detection depth is small and cannot detect the ingredient of the subsurface under non-transparent medium), and the measurement and identification of the substance concealed in the non-transparent medium (opaque/semi-transparent plastic) bottle have been realized.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

X. Zhang, J. Zhang, H. Zhang, J. Lu, L. Wang and Y. Xu, "Study of Raman Spectroscopy to detect the Underlying Substance Concealed below Diffusely Scattering Medium," Optics and Photonics Journal, Vol. 3 No. 2B, 2013, pp. 272-276. doi: 10.4236/opj.2013.32B064.

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