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MODE EXCITATION ANALYSIS OF VACUUM ELECTRONICS DEVICES

Award Information
Agency: Department of Defense
Branch: Army
Contract: N/A
Agency Tracking Number: 6138
Amount: $49,960.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1987
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
5503 Cherokee Ave - Ste 201
Alexandria, VA 22312
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 DR BRUCE GOPLEN
 (703) 750-3556
Business Contact
Phone: () -
Research Institution
N/A
Abstract

WE PROPOSE TO INVESTIGATE A NEW METHOD FOR COMPUTING MODE EXCITATION RATES WITHIN VACUUM ELECTRONICS DEVICES. THIS METHOD UTILIZES THE MUTUAL ORTHOGONALITY OF EIGEN-FUNCTION AND COMBINES TIME-DOMAIN AND FREQUENCY-DOMAIN ANALYSIS. THE METHOD WILL PREDICT THE GROWTH OF ELECTROMAGNETIC MODES AS A FUNCTION OF TIME AND OF DEVICE OPERATING PARAMETERS. IT REQUIRES NUMERICAL SOLUTION OF THE COMPLETE SET OF MAXWELL'S EQUATIONS IN THREE-DIMENSIONS WITH BOUNDARY CONDITIONS DETERMINED FROM THE DEVICE GEOMETRY, AND IS EQUALLY APPLICABLE TO COLDTEST AND PARTICLE BEAM OPERATION. BECAUSE THIS APPROACH RELIES ON BASIC PHYSICS PRINCIPLES, IT IS POTENTIALLY MORE GENERAL IN APPLICATION THAN THE NUMEROUS SPECIAL-PURPOSE (E.G., CIRCUIT MODEL) CODES PRESENTLY IN USE BY INDUSTRY. THIS RESEARCH WILL ALLOW US TO EXPLOIT THE BEST FEATURES OF TIME-DOMAIN AND FREQUENCY-DOMAIN ANALYSIS. WE PROPOSE TO: (1) ANALYZE THE ORTHOGONALITY ALGORITHM REQUIREMENTS FOR ACCURACY AND SPEED, (2) DEMONSTRATE ON A REALISTIC OR ACTUAL DEVICE SUCH AS A CCTWT, AND (3) EVALUATE THE POTENTIAL FOR TECHNOLOGY TRANSFER TO INDUSTRY AND COMMERCIAL APPLICATIONS.

* Information listed above is at the time of submission. *

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