Image Bend Compensation On The Ict Screen With The Help Of An Input Optical System Of A Streak Camera

G. V. Kolesov; I. M. Korzhenevich; V. B. Lebedev; B. M. Stepanov

doi:10.1117/12.967991

1 February 1985 Image Bend Compensation On The Ict Screen With The Help Of An Input Optical System Of A Streak Camera

G. V. Kolesov, I. M. Korzhenevich, V. B. Lebedev, B. M. Stepanov

Proceedings Volume 0491, 16th Intl Congress on High Speed Photography and Photonics; (1985) https://doi.org/10.1117/12.967991
Event: 16th International Congress on High Speed Photography and Photonics, 1984, Strasbourg, France

Abstract

Experiment shows /1/ that in an image-converter tube (ICT) the central electrons reach the deflection plane before the peripheral electrons emitted from photocathode edges come there. This results in bending the isochrone lines on the ICT screen which confuses the processing of the image (which would be still more complicated as the sweep rate becomes higher). Such a bending can be remedied by using a concave shape of photocathode. But minor errors in designing the concave shape of photocathode may result in the opposite sign non-isochronism of the ICT, i.e., to isochrone bending in the opposite direction.

Citation Download Citation

G. V. Kolesov, I. M. Korzhenevich, V. B. Lebedev, and B. M. Stepanov "Image Bend Compensation On The Ict Screen With The Help Of An Input Optical System Of A Streak Camera", Proc. SPIE 0491, 16th Intl Congress on High Speed Photography and Photonics, (1 February 1985); https://doi.org/10.1117/12.967991

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