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Proceedings Paper

Recent Progress In Optical Oxygen Sensing
Author(s): Otto S. Wolfbeis; Marc J. P. Leiner
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Paper Abstract

Following a brief review on the history of optical oxygen sensing (which shows that a variety of ideas exists in the literature that awaits the extension to fiber optic sensing schemes), the present state of probing oxygen by optical methods is discussed in terms of new methods and materials for sensor construction. Promising sensing schemes include simultaneous measurement of parameters such as oxygen and carbon dioxide with one fiber, measurement of fluorescence lifetimes and radiative energy transfer efficiency as well as phosphorescence quenching. New longwave-excitable fluorophores have been introduced recently, two-band emit-ting indicators can help to eliminate drift problems, and new methods have been found by which both indicators and enzymes may be entrapped in silicone rubber, which opens the way for the design of new biosensors. In a final chapter, the application of fiber optic oxygen sensors for blood gas measurement and as transducers in biosensors are presented.

Paper Details

Date Published: 21 June 1988
PDF: 7 pages
Proc. SPIE 0906, Optical Fibers in Medicine III, (21 June 1988); doi: 10.1117/12.945253
Show Author Affiliations
Otto S. Wolfbeis, Karl Franzens University (Austria)
Marc J. P. Leiner, Karl Franzens University (Austria)

Published in SPIE Proceedings Vol. 0906:
Optical Fibers in Medicine III
Abraham Katzir, Editor(s)

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