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Proceedings Paper

Femscan: the development of the image dissector to a tube with femtosecond time resolution
Author(s): J. R. Howorth; J. Milnes; P. Yvernault
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Paper Abstract

The Image Dissector was one of the first all electronic TV tubes and was described by Farnsworth in 1934. (Ref 1). Fifty years later, in 1983, more modern image dissectors were used to measure the electron bunch lengths in synchrotrons. The advent of modern computers and high-speed electronics enables these rather elderly tubes to be used in exciting new applications. This paper described how we have adapted the image dissector to enable the development of low cost instruments with exceptional bandwidth, sensitivity and sampling rate for optical signals.

Paper Details

Date Published: 11 January 2007
PDF: 7 pages
Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 62790A (11 January 2007); doi: 10.1117/12.725064
Show Author Affiliations
J. R. Howorth, Photek Ltd. (United Kingdom)
J. Milnes, Photek Ltd. (United Kingdom)
P. Yvernault, Femlight (France)


Published in SPIE Proceedings Vol. 6279:
27th International Congress on High-Speed Photography and Photonics

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