Time aberrations of combined focusing system of high-speed image converter

Irina M. Korzhenevich; G. V. Kolesov

doi:10.1117/12.24035

1 April 1991 Time aberrations of combined focusing system of high-speed image converter

Irina M. Korzhenevich, G. V. Kolesov

Proceedings Volume 1358, 19th Intl Congress on High-Speed Photography and Photonics; (1991) https://doi.org/10.1117/12.24035
Event: 19th International Congress on High-Speed Photography and Photonics, 1990, Cambridge, United Kingdom

Abstract

A rigorous analytical calculation of the time-aberration coefficient (TAC) is obtained for combined lenses whose accelerating electrode is in the vicinity of a cathode. The results thus obtained are verified by comparison with a least-squares method TAC calculation which requires no less than 10 electron trajectories in conjunction with the time-of-flight. By contrast, the present algorithm requires only two trajectories in the paraxial approximation and obviates the time-of-flight. The calculation neglects the magnetic field of the cathode-accelerating electrode region.

Citation Download Citation

Irina M. Korzhenevich and G. V. Kolesov "Time aberrations of combined focusing system of high-speed image converter", Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); https://doi.org/10.1117/12.24035

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