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Method and apparatus for measuring pressure with embedded non-intrusive fiber optics
(United States. Patent and Trademark Office, 1995-09-19)
A method and apparatus is provided for measuring pressure in a pressure containing vessel with a non-intrusive, metal-embedded fiber optic pressure sensor. The pressure containing vessel may, for example, be the combustion ...
Calorimetric fiber optic chemical sensor
(United States. Patent and Trademark Office, 1992-10-20)
The present invention is directed to a sensor which utilizes an optical fiber interferometer to detect the absorption of a modulated laser beam by a particular chemical species. In particular, one embodiment of the present ...