Compact, low cost Raman monitor for single substances

Details Compact, low cost Raman monitor for single substances Compact, low cost Raman monitor for single substances

2011-07-19

2011-07-19

Geisel, Kara E (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

C250S281000, C250S288000, C356S300000, C356S337000, C356S439000

Reexamination Certificate

active

07982869

ABSTRACT:
Apparatus for performing Raman analysis may include a laser source module, a beam delivery and signal collection module, a spectrum analysis module, and a digital signal processing module. The laser source module delivers a laser beam to the beam delivery and signal collection module. The beam delivery and signal collection module delivers the laser source beam to a sample, collects Raman scattered light scattered from the sample, and delivers the collected Raman scattered light to the spectrum analysis module. The spectrum analysis module demultiplexes the Raman scattered light into discrete Raman bands of interest, detects the presence of signal energy in each of the Raman bands, and produces a digital signal that is representative of the signal energy present in each of the Raman bands. The digital signal processing module is adapted to perform a Raman analysis of the sample.

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