Abstract
In order to meet the special demands of impulse electric field measurement simultaneously, such as intensive signal, fine insulation, transient, wide frequency band, and small size, three kinds of optical electric integrated electric field sensor were designed and fabricated. The output/input character and frequency response of the sensors were examined carefully. It can be find that the measurable amplitude of two traditional designed sensors is less than 80 kV/m, which is not suitable for intensive electric field measurement. But a novel sensor designed here is suitable for insulated, intensive (about 300 kV/m) electric field measurement. And the application of which in the lightning impulse experiment upon air gap ensure that the sensor can be expected to widespread use in transient intensive electric field measurement investigation.
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