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Oceanography and Atmospheric Sci.Atmospheric Physics

High-Power Microwave Breakdown of Dielectric Interfaces

Authors: M. Kristiansen; L. L. Hatfield; Mark Crawford; TEXAS TECH UNIV LUBBOCK DEPT OF ELECTRICAL ENGINEERING
Abstract:
The objective of this project is to study the electrical breakdown, due to microwaves which occurs on the surface of vacuum/atmosphere interfaces. This is an annual technical report for AFOSR Grant No. 91-0260, that began in April, 1991 and concluded one year later. This contract was continuing work started on AFOSR Grant No. 88-0102. The final report for that grant was submitted in November, 1991. This report will discuss results relating to: placing magnets on the waveguide to prevent the electron beam from hitting the window, frequency measurements of the microwave signal, and the design, construction, and testing of a device for reducing window breakdown.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Annual technical rept. 15 Apr 91-14 Apr 92.
Pages: 15
Report Date: 15 JUL 92
Contract Number: AFOSR-91-0260
Report Number: A002452
Keywords relating to this report:
*ATMOSPHERIC DISTURBANCES
*ATMOSPHERIC WINDOWS
*BREAKDOWN(ELECTRONIC THRESHOLD)
*BREAKDOWN_ELECTRONIC THRESHOLD_
*DIELECTRICS
*MAGNETS
*MICROWAVES
*WAVEGUIDES
ATMOSPHERES
ATMOSPHERIC PHYSICS
ELECTRON BEAMS
ELECTRONS
FREQUENCY
HIGH POWER
INTERFACES
MEASUREMENT
PLASMAS_PHYSICS_
POWER
RADIO EQUIPMENT
SIGNALS
SURFACES
VACUUM
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