Raman spectrometer using a remote probe with enhanced efficiency

Details Raman spectrometer using a remote probe with enhanced efficiency Raman spectrometer using a remote probe with enhanced efficiency

1994-09-20

1996-07-09

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

385 12, G01N 2165

Patent

active

055349978

ABSTRACT:
The invention relates to a Raman spectrometer connected by a bundle of optical fibers with an external probe to be attached on the surface of the sample with a laser beam for the excitation of Raman radiation within the sample with the laser radiation transported to the sample by one or several central optical fibers and with a collecting element which collects the Raman radiation of the sample and sends it through the optical fiber bundle to a Raman spectrometer to be analyzed. Upon the end of the optical fiber bundle different collecting elements may be attached with the transparent optical elements having the shape of a cylinder, a paraboloid or a truncated sphere. Thus, the spectrometer can be simply adapted to different samples for optimal collection of Raman light.

REFERENCES:
patent: 4029391 (1977-06-01), French
patent: 4533243 (1985-08-01), Zhukov et al.
patent: 5112127 (1992-05-01), Carrabba et al.
patent: 5243410 (1993-09-01), Larson et al.
patent: 5261410 (1993-11-01), Alfano et al.

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