𝔖 Bobbio Scriptorium
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All-sky camera with a concave mirror

✍ Scribed by Andreić, Željko ;Radić, Nikola


Book ID
115344800
Publisher
The Optical Society
Year
1996
Tongue
English
Weight
172 KB
Volume
35
Category
Article
ISSN
1559-128X

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Focusing of hydrogen atoms with a concav
✍ 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.