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Interferometer readings

Interferometer readings

V500/0051

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Credit

NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY

Caption

Interferometer readings. This graph shows the results of a test carried out on the isotopes Kr-86 (Krypton 86) and Hg-198 (Mercury 198) by a Fabry-Perot interferometer. Kr-86 has a much narrower line and sharper peak than Hg-198, while the intensity of radiation emitted by Hg-198 becomes higher at lower pressures than Kr-86.

Release details

Model release not required. Property release not required.

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