Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Patent
1998-07-13
2000-03-07
Font, Frank G.
Optics: measuring and testing
By dispersed light spectroscopy
With sample excitation
356317, 216 60, G01N 2163, G01J 330
Patent
active
060347686
ABSTRACT:
The invention relates to high power, spark induced breakdown spectroscopy (SIBS) detectors with controllable delay time and to spark induced breakdown spectroscopy plasma generators with dual electrodes with specific electrode material, both for use in methods and apparatuses for detecting spectral signatures of atomic emissions, (e.g., from heavy metals such as lead, mercury, chromium, cadmium, arsenic, antimony and beryllium and radioactive materials such as uranium, plutonium, thorium and technetium) for measuring, for example, atomic concentrations of samples such as vapors and airborne particulates.
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Davis Steven J.
Fraser Mark E.
Holtzclaw Karl
Hunter Amy
Piper Lawrence G.
Font Frank G.
Physical Sciences Inc.
Smith Zandra V.
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