Abstract
Using a microcapillary discharge plate (MCDP) integrated with the discharge gap of a semiconductor gas discharge infrared image converter has been tested as a basis for building gas discharge image converters with internal image intensification. A Townsend-type discharge with current density controlled by infrared illumination of the semiconductor cathode is produced in a 100 μm gap in Ar gas under pressures of 50 – 200 hPa. Electrons generated in the discharge gap are multiplied by a non-self-sustained discharge in the MCDP of 100 μm thickness, which has just a single channel 200 μm in diameter. The authors have observed a significant increase of the discharge brightness in the MCDP channel compared to that of the main discharge gap.
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