Internal electron focus made independent of optical focus. Procedure enables fine tuning of internal electron-focusing system of photo-optical imager, without complication by imperfections of associated external optics. Applicable to imager in which electrons emitted from photocathode in optical focal plane, then electrostatically and/or magnetically focused to replica of image in second focal plane containing photodiodes, phototransistorss, charge-coupled devices, multiple-anode outputs, or other detectors.


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    Titel :

    Electron-Focus Adjustment for Photo-Optical Imagers


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.09.1987



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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