New sensors for measuring very short electromagnetic pulses |
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Authors: | Shen H-M King RWP Wu TT |
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Affiliation: | Gordon McKay Lab., Harvard Univ., Cambridge, MA ; |
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Abstract: | In order to detect very short electromagnetic pulses under 100 ps in width, a wide-band receiving antenna with a bandwidth from 0 to 14 GHz is needed. The usual short dipoles or monopoles do not provide both the required fidelity (bandwidth) and sensitivity. A novel type of electromagnetic pulse (EMP) sensor has been designed, analyzed, and tested. It is simple, inexpensive, and can detect the electromagnetic pulse with both high fidelity and high sensitivity. An approximate analysis is given for better understanding and optimum design of the proposed EMP antenna |
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