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

Abstract

Photocathode device for sub-nanosecond gating comprising an active photo-emissions 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 and preferably in the electrode region; - a layer of aluminium oxide deposited between the conductive underlayer and the photocathode layer. Method of manufacturing of the photocathode device, and visible light detection device comprising the photocathode device.

Images