Coded Spectroscopy for Ethanol Detection in Diffuse Media

Name: Coded Spectroscopy for Ethanol Detection in Diffuse Media
Brand: VDM Verlag Dr. Mueller E.K.
SKU: 9783639052657
Price: 1149 CZK
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New Methods in Raman Scattering Based Optical Diagnostics

Autor: Scott McCain

Jazyk:

Vazba: Brožovaná

Vydavatel: VDM Verlag Dr. Mueller E.K.

Dostupnost: Skladem u dodavatele

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Optical sensing in the visible and near-infrared regions of the electromagnetic spectrum allows for...

Informace o knize

Autor

Scott McCain

Jazyk

Angličtina

Vazba

Kniha - Brožovaná

Vydáno

2008

Stránek

EAN

9783639052657

ISBN

363905265X

Enbook ID

06814747

Vydavatel

VDM Verlag Dr. Mueller E.K.

Hmotnost

127

Rozměry

152 x 229 x 5

Kompletní popis

Optical sensing in the visible and near-infrared regions of the electromagnetic spectrum allows for non-invasive analysis oftissue. With the use of Raman spectroscopy, a high degree of chemical specificity is available with laser powers that are harmless to living tissue. Such systems, however, are plagued by the low efficiency of the Raman scattering process by molecules and the intense background fluorescence from some biological materials. To address these drawbacks, we have investigated the use of coded spectroscopy to make Raman spectroscopy more feasible in routine use. By coding the input aperture of a dispersive spectrometer, through put gains of 10-100 are possible over a slit spectrometer. The theory, design, and performance characteristics of this staticaperture coding will be discussed in this work. In addition, by coding the excitation light sources one can filter out the shifting Raman signals from the stationary fluorescent background. The theory and implementation of an expectation maximization algorithm for Raman signal reconstruction will be analyzed. The design of a multi-excitation, coded-aperture Raman spectrometer will be described.

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Coded Spectroscopy for Ethanol Detection in Diffuse Media

New Methods in Raman Scattering Based Optical Diagnostics

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Kompletní popis

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