We describe a prototype linear vacuum-ultraviolet x-ray pinhole camera based on the luminescence of a phosphor screen working in reflection mode. The luminescence emitted by the phosphor, in response to radiation selected by a broadband filter, is detected using a 1024 pixel intensified linear array detector. By operating this detector with integration times from 20 to 50 ms, random plasma fluctuations can be smeared out, so that structures related to the magnetic topology can be searched for.
This paper describes the design of a DFOV objective intended for use with a focal plane array in the MIR waveband. The seven-elements' arrangement with binary and aspheric surfaces yields a low distortion, high quality and lightweight objective. Focusing and athermalization mechanisms are evaluated. In addition, the implications of different configurations for the detector calibration subassembly are discussed.
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