Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves
Patent
1985-12-10
1988-01-12
Tokar, Michael J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Analysis of complex waves
332 751, G01R 2316
Patent
active
047194120
ABSTRACT:
System making it possible to analyze electrical or other transients with the aid of an easily displaceable, miniature, passive, electrically insulated sensor. It comprises a monomode laser source connected by an optical fibre to an optical transient analyzer. The sensor is formed by a circuit receiving the signal to be analyzed and making it possible to modulate the light intensity in the fibre by means of an integrated optics modulating circuit and which receives the signal in electrical form. An adapting circuit at the input makes it possible to convert the signal to be analyzed into an electrical signal, where necessary. It is constituted by a coil in the case of a magnetic field, an antenna in the case of an electrical field, a quartz in the case of a force, etc.
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1980 IEEE MTT-S International Microwave Symposium Digest, IEEE Catalog No. 77-645125, 1980, pp. 317-318, IEEE New York, U.S.; Bassen et al, "An FR Field Strength Measurement System Using an Integrated Optical Linear Modulator".
IBM Technical Disclosure Bulletin, vol. 26, No. 12, May 1984, pp. 6604-6605, New York, U.S.; Kash, "Pisosecond Streak Camera with Single Photon Sensitivity".
Advances in Instrumentation, vol. 37, part 3, 1982, pp. 1655-1671, Research Triangle Park, U.S.; Tebo, "Sensing with Optical Fibers: An Emerging Technology".
Bernet Jean M.
d'Humieres Etienne
Eumurian Cregoire
Thomson - CSF
Tokar Michael J.
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