Optical cavity sensor

Details Optical cavity sensor Optical cavity sensor

1997-03-28

1999-03-30

Kim, Robert

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356345, G01B 908

Patent

active

058895906

ABSTRACT:
A sensor for sensing conditions on an object. The sensor comprises a first at least partially reflective surface layer disposed adjacent the object in close conforming relationship with a surface of the object, an intermediate layer, and a second at least partially reflective surface layer. The intermediate layer is disposed between the first at least partially reflective surface layer and the second at least partially reflective surface layer. The intermediate layer can be formed as a solid element, a combination of solid areas and spaces, and as an aerogel.

REFERENCES:
patent: 4682500 (1987-07-01), Uda
patent: 5358776 (1994-10-01), Hotaling
L.W. Hrubesh et al., Dielectric Properties and Electronic Applications of Aerogels, Sol-Gel Processing and Applications, Edited by Y.A. Attia, Plenum Press, New York, pp. 363-367, Jan. 1994.
George W. Scherer et al., Compression of Aerogels, Journal of Non-Crystalline Solids 186 316-320, Jan. 1995.
L.W. Hrubesh et al, Thin Aerogel Films for Optical, Thermal, Acoustic and Electronic Applications, Journal of Non-Crystalline Solids 188 46-53, Jan. 1995.
M.F. Miller et al., A Micromachined Sensor Array for Optical Measurements of Surface Pressure,35th Aerospace Sciences Meeting & Exhibit, Jan. 6-10, 1997, Reno, NV, pp. 1-9.

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