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Sur le Gain en Sensibilité dans lInfrarouge Proche de la Caméra Electro
The SpectraconAn Electronographic Image Recording Tube By J D ºv
Electron Transmission through Mica and the Recording Efficiency of
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Advances in Electronics aluminium amplifier anode background beam current caesium capacitance cascade cathode charge curve dark current density diameter distribution dynode effect electric Electron Physics Electronics and Electron emulsion energy evaporated exposure factor field Figure film filter focusing gain glass illumination image intensifier image orthicon image tube infra-red input integration isocon J. D. McGee layer light level limited lp/mm magnetic measured mesh mica modulation transfer function multiplier noise observed obtained operation optical phosphor phosphor screen photocathode photoconductive photoelectrons photographic photomultiplier photons Phys plate pulse pulse-height quantum efficiency range read-out reading beam resolution scintillations SEC camera tube SEC target SEC tube secondary electrons secondary emission sensitivity shown in Fig shows signal-plate signal-to-noise ratio sine-wave response spatial frequency storage target substrate target potential temperature thickness transmission vidicon W. L. Wilcock wavelength X-ray X-ray image intensifier