Photocathode device for sub-nanosecond gating and method for the manufacturing thereof, and visible and ultraviolet radiation detection device

Abstract

Photocathode device for sub-nanosecond gating comprising an active photo-emission region surrounded by an electrode region, the device comprising: - a substrate; - a photocathode layer deposited on the substrate; wherein the device also comprises: - a conductive underlayer deposited between the substrate and the photocathode layer in the active photo-emission region; - a layer of aluminium oxide deposited between the conductive underlayer and the photocathode layer. Method of manufacturing of the photocathode device, and visible and ultraviolet radiation detection device comprising the photocathode device.

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