Letter | Published:

A Space-Charge Lens for the Focusing of Ion Beams

Nature volume 160, pages 8990 (19 July 1947) | Download Citation

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Abstract

Some time ago I proposed a magnetron of special design as a divergent lens for electron beams1. It now appears that the same device may become useful as a very powerful concentrating lens for positive ions, particularly for ion beams of extreme energy.

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References

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    , Phys. Rev., 23, 112 (1924).

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    , Phys. Rev., 60, 385 (1941).

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    , Proc. Roy. Soc., A, 183, 436 (1945).

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    , Nature, 159, 303 (1947).

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    , Phys. Rev., 71, 310 (1947).

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    , âœThe Electron Microscopeâ (Hulton Press, London, 1945).

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Author information

Affiliations

  1. Research Laboratory, British Thomson-Houston Co., Ltd., Rugby. April 16.

    • D. GABOR

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DOI

https://doi.org/10.1038/160089b0

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