Internal reflection spectroscopy for deep container immersion
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United States of America Patent
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May 30, 1989
Grant Date -
N/A
app pub date -
Feb 19, 1988
filing date -
Feb 19, 1988
priority date (Note) -
Expired
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Abstract
A spectroscopy system is disclosed which obtains analytical information from an internal reflectance element (IRE) deeply immersed in a container. The system is designed to provide adequate radiation throughput under difficult conditions. A plurality of embodiments deal with the optical element(s) at the bottom of the tube and the optical element(s) above the tube which direct post-interference radiation downward in the tube and receive post IRE upward radiation for re-direction to the detector.
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