Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1998-04-15
1999-04-20
Evans, F. L.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
356 51, 356326, 25033911, 2503418, G01N 2135
Patent
active
058959181
ABSTRACT:
An apparatus for and method of analyzing an article having an entrance and an exit in communication with the entrance. The apparatus comprises: a spectrometer having an emission source with a focal point; a plurality of mirrors; and a detector connected to the spectroscope. The emission source is positioned so that its focal point is substantially coextensive with the entrance of the article. The mirrors comprise: a first mirror positionable adjacent the exit of the article and a second mirror positioned relative to the other of said plurality of mirrors. The first mirror receives scattered emissions exiting the article and substantially collimates the scattered emissions. The second mirror substantially focuses the collimated emissions into a focused emission. The detector receives the focused emission from the mirrors.
REFERENCES:
patent: 4303859 (1981-12-01), McCue
patent: 5088821 (1992-02-01), Milosevic
Spectroscopic Characterization and Pinch Welding of Contaminated Tubing--R. W. Bradshaw, D. K. Otteson, L. R. Thorne, A. L. Newmann. L. N. Tallerico; Sandia National Laboratories, Printed Dec. 1987; umlimited release--reprinted Oct. 1992.
The Detection of Contaminants in Narrow-Bore Tubing By Infrared Reflection Specroscopy--D. K. Ottesen, L. R. Thorne, and R. W. Bradshaw; Sandia National Laboratories, Printed Jun. 1986; unlimited release--reprinted Oct. 1992.
The Spectropus.TM. System: Remote Sampling Accessories For Reflectance, Emission, and Transmission Analysis Using Fourier Transform Infrared Spectroscopy--G. L. Powell, M. Milosevic, J. Lucania, and N. J. Harrick--Applied Spectroscopy, vol. 46, No. 1, 1992.
Hallman, Jr. Russell Louis
Powell George Louis
Evans F. L.
Lockhead Martin Energy Systems, Inc.
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