Apparatus for fluorescence subtracted Raman spectroscopy

Details Apparatus for fluorescence subtracted Raman spectroscopy Apparatus for fluorescence subtracted Raman spectroscopy

2006-12-05

2006-12-05

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

Reexamination Certificate

active

07145651

ABSTRACT:
A fluorescence subtracted Raman spectroscopy apparatus uses a wavelength modulated tunable filter as the spectrometer. The wavelength modulation results in an amplitude modulation on the detected optical signal. By using a frequency selective detection technique, the Raman signal is amplified and extracted from the fluorescence background.

REFERENCES:
patent: 3914055 (1975-10-01), Wolga et al.
patent: 6205354 (2001-03-01), Gellerman et al.

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