WIDEBAND ELECTRIC MAGNETIC FIELD SENSORS

Award Information
Agency: Department of Defense
Branch: Army
Contract: N/A
Agency Tracking Number: 15840
Amount: $49,989.00
Phase: Phase I
Program: SBIR
Awards Year: 1991
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Flam & Russell Inc
Po Box 999 - 506 Prudential Rd, Horsham, PA, 19044
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Jeffrey F Bull
 Principal Investigator
 (215) 674-5100
Business Contact
Phone: () -
Research Institution
N/A
Abstract
THE ABILITY TO MEASURE THE STRENGTH OF ELECTROMAGNETIC FIELDS IS OF EXTREME IMPORTANCE IN MANY AREAS. TODAY'S FREQUENCY SPECTRUM IS CROWDED. ELECTROMAGNETIC FIELDS ARE EVERYWHERE AND AT ALL FREQUENCIES. OF PARTICULAR IMPORTANCE IS THE MEASUREMENT OF FIELDS AT AN AIR/METAL BOUNDARY BECAUSE MUCH EQUIPMENT IS HOUSE IN METAL ENCLOSURES. SINCE BOTH ELECTRIC (E) AND MAGNETIC (H) FIELDS CAN EXIST AT THIS BOUNDARY, BOTH MUST BE MEASURED. MANY APPLICATIONS ALSO REQUIRE THAT THEY ARE MEASURED SIMULTANEOUSLY. DEVICES FOR MEASURING THESE FIELDS ARE E AND H FIELD PROBES. THEY ARE, IN EFFECT, ELECTRICALLY SMALL ANTENNAS. FLAM & RUSSELL, INC. (FR) HAS SPECIFIC EXPERTISE IN THE DESIGN AND CONSTRUCTION OF BROADBAND, ELECTRICALLY SMALL ANTENNAS. IN THIS PHASE I EFFORT WE PROPOSE TO USE OUR WELL DEVELOPED, AND WELL TESTED, THEORY OF ELECTRICALLY SMALL ANTENNAS TO PROVIDE PROTOTYPE E AND H FIELD PROBES. OUR GOAL IS TO MAKE THEM AS PHYSICALLY SMALL AS POSSIBLE. ADDITIONALLY, THEY WILL BE DESIGNED TO PROVIDE A VOLTAGE THAT IS PROPORTIONAL TO THE FIELD AND CONSTANT OVER A LARGE FREQUENCY RANGE. FURTHERMORE, WE WILL PROVIDE A PROBE THAT SIMULTANEOUSLY AND INDEPENDENTLY MEASURES THE THREE ORTHOGONAL FIELD COMPONENTS THAT EXIST AT AN AIR/METAL BOUNDARY.

* information listed above is at the time of submission.

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