Performance of the phototube in which the photoelectron train is stretched to extend the timebase

Yuji Kiuchi; Takashi Sakusabe

doi:10.1117/12.142028

1 April 1993 Performance of the phototube in which the photoelectron train is stretched to extend the timebase

Yuji Kiuchi, Takashi Sakusabe

Proceedings Volume 1982, Photoelectronic Detection and Imaging: Technology and Applications '93; (1993) https://doi.org/10.1117/12.142028
Event: Photoelectronic Detection and Imaging: Technology and Applications '93, 1993, Beijing, China

Abstract

To observe a waveform of a very fast photoevent, a special phototube is developed. A short photoelectron train produced by the incident light from the photoevent is stretched during its runs through a long drift electrode of the phototube due to the difference of the velocity of each photoelectron which is instantaneously accelerated by a step voltage of the photocathode rapidly raised during the light incidence. In order to discuss the limitation of the stretching operation the performance of the phototube such as spreading of the pulse width, influence of the electron lens, both induction noise and random noise are described. As a consequence the time resolution is estimated to about 10 ps at present.

Citation Download Citation

Yuji Kiuchi and Takashi Sakusabe "Performance of the phototube in which the photoelectron train is stretched to extend the timebase", Proc. SPIE 1982, Photoelectronic Detection and Imaging: Technology and Applications '93, (1 April 1993); https://doi.org/10.1117/12.142028

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