Cerenkov radiation as a light source for the 2000–620-Å spectral range
- 15 January 1976
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 28 (2) , 92-94
- https://doi.org/10.1063/1.88652
Abstract
Spectral power density from Cerenkov radiation was measured in the vacuum ultraviolet from 2000 to 620 Å. The radiation was produced by passing a 500‐MeV 1‐mA‐peak‐current electron beam through 1.4 m of 1 atm of helium gas at room temperature. In the photon energy range from 6 to 20 eV, approximately 1014 photons /sec/Å/mA of electron‐beam current were emitted, and our detection apparatus attenuated the radiation by 4–5 orders of magnitude.Keywords
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