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  Focusing a helium atom beam using a quantum-reflection mirror

Schewe, H. C., Zhao, B. S., Meijer, G., & Schöllkopf, W. (2009). Focusing a helium atom beam using a quantum-reflection mirror. New Journal of Physics, 11, 113030-1-113030-10. doi:10.1088/1367-2630/11/11/113030.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0010-F7A0-8 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-94EB-7
Genre: Journal Article

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 Creators:
Schewe, H. Christian1, Author           
Zhao, Bum Suk1, Author           
Meijer, Gerard1, Author           
Schöllkopf, Wieland1, Author           
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              

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 Abstract: We demonstrate one-dimensional (1D) focusing of a thermal helium atom beam by quantum reflection from a cylindrical concave quartz mirror at near-grazing incidence. The smallest width of the focus achieved is 1.8 μm, essentially limited by spherical aberration. The various effects that contribute to the finite focal width have been investigated. We propose to apply near-grazing reflection from two concave elliptical mirrors in a Kirkpatrick–Baez arrangement for two-dimensional (2D) focusing of a helium atom beam, paving the way for a helium atom microprobe.

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Language(s): eng - English
 Dates: 2009-11-17
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 438202
DOI: 10.1088/1367-2630/11/11/113030
URI: http://www.iop.org/EJ/article/1367-2630/11/11/113030/njp9_11_113030.pdf?request-id=9b1395bf-4cd2-4a43-8777-259710996cf8
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Title: New Journal of Physics
  Other : New J. Phys.
Source Genre: Journal
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Publ. Info: Bristol, UK : Institute of Physics Pub.
Pages: - Volume / Issue: 11 Sequence Number: - Start / End Page: 113030-1 - 113030-10 Identifier: ISSN: 1367-2630
CoNE: https://pure.mpg.de/cone/journals/resource/954926913666