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Highly sensitive imaging camera for space applications including detection of ultrahigh energy cosmic rays
Highly sensitive imaging camera for space applications including detection of ultrahigh energy cosmic rays
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机译:用于太空应用的高灵敏度成像相机,包括检测超高能宇宙射线
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摘要
An imaging camera includes a housing that defines a proximal end and a distal end. A Fresnel lens is installed in the proximal end of the housing. Moreover, a reflection mode photocathode is installed in the distal end of the housing opposite the Fresnel lens. An electron sensor is disposed in the center of the Fresnel lens. A conductive layer is disposed on the interior of the housing. Further, the Fresnel lens establishes plural concentric optically passive surfaces that are parallel to a central axis defined by the imaging camera. A conductive layer is disposed on each optically passive surface, and an electron lens is established by the conductive layer on the interior of the housing and the conductive layers on the Fresnel lens.
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