Optics: measuring and testing – By dispersed light spectroscopy – With raman type light scattering
Reexamination Certificate
2007-01-31
2009-12-29
Geisel, Kara E (Department: 2877)
Optics: measuring and testing
By dispersed light spectroscopy
With raman type light scattering
Reexamination Certificate
active
07639354
ABSTRACT:
Raman systems include a radiation source, a radiation detector configured to detect Raman scattered radiation, and a Raman signal-enhancing structure. The Raman signal-enhancing structure includes a first layer of Raman signal-enhancing material, a substantially monomolecular layer of molecules disposed on at least a portion of the first layer of Raman signal-enhancing material, and a second layer of Raman signal-enhancing material disposed on at least a portion of the substantially monomolecular layer of molecules. The second layer of Raman signal-enhancing material is disposed on a side of the layer of molecules opposite the first layer of Raman signal-enhancing material. Methods of performing Raman spectroscopy include providing such a Raman signal-enhancing structure, providing an analyte on the Raman signal-enhancing structure, irradiating the analyte and the structure, and detecting Raman scattered radiation.
REFERENCES:
patent: 7359048 (2008-04-01), Wang et al.
patent: 2002/0142480 (2002-10-01), Natan
patent: 2006/0056463 (2006-03-01), Wang et al.
patent: 2007/0252982 (2007-11-01), Wang et al.
Li Zhiyong
Wang Shih-Yuan
Geisel Kara E
Hewlett--Packard Development Company, L.P.
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