Methods for High-Power EM Pulse Measurement

Author

Drexler, Petr ; Fiala, Pavel

Author_Institution

Brno Univ. of Technol., Brno

Volume

7

Issue

7

fYear

2007

fDate

7/1/2007 12:00:00 AM

Firstpage

1006

Lastpage

1011

Abstract

There are some suitable methods for the measurement of ultrashort solitary electromagnetic pulses (EMP) that are generated by high-power microwave generators. The characteristics of EMPs are high-power level (P_max = 250 MW) and very short-time duration (t_p euro (1, 60) ns). Special requirements for measurement methods have to be considered because of the specific EMPs properties. In this paper, two suitable methods for this application are presented. The first one, the calorimetric method, utilizes the thermal impacts of microwave absorption. The second method presented-the magnetooptic (MO) method-uses the Faraday´s MO effect as a sensor principle. A combined calorimetric sensor was realized and there were some experimental EMP measurements made with good results. The sensor utilizing the MO method is still in development.

Keywords

Faraday effect; calorimetry; electromagnetic pulse; magneto-optical sensors; microwave generation; EMP measurements; Faraday effect; calorimetric method; calorimetric sensor; high-power EM pulse measurement; high-power microwave generators; magnetooptic method; measurement methods; microwave absorption; thermal impacts; ultrashort solitary electromagnetic pulses; EMP radiation effects; Electromagnetic measurements; Electromagnetic wave absorption; High power microwave generation; Magnetic sensors; Microwave generation; Microwave measurements; Microwave theory and techniques; Pulse generation; Pulse measurements; Calorimetry; electromagnetic pulse; finite-element methods (FEMs); magnetooptic (MO) effects; microwave generation;

fLanguage

English

Journal_Title

Sensors Journal, IEEE

Publisher

ieee

ISSN

1530-437X

Type

jour

DOI

10.1109/JSEN.2007.896532

Filename

4167882