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Prolonging the Lifetime of Mirror Coatings with a Mirror Purge System

✍ Scribed by Roberts, Jr., Lewis C.; Maeda, Riki; Rehder, Karl H.; Glesne, Thomas R.

Book ID
123914433
Publisher
University of Chicago Press
Year
2005
Tongue
English
Weight
118 KB
Volume
117
Category
Article
ISSN
0004-6280

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Focusing of hydrogen atoms with a concav
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✍ J.J. Berkhout; O.J. Luiten; I.D. Setija; T.W. Hijmans; T. Mizusaki; J.T.M. Walra 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 167 KB

We use a concave spherical mirror, coated with liquid He, to focus a highly divergent beam of H-atoms into a small aperture. The temperature dependence of the focussed beam intensity enables us to study the influence of the dynamic surface roughness on the reflection of the H-atoms.