| Issue |
Europhys. Lett.
Volume 39, Number 5, September I 1997
|
|
|---|---|---|
| Page(s) | 485 - 490 | |
| Section | Atomic, molecular and optical physics | |
| DOI | https://doi.org/10.1209/epl/i1997-00381-x | |
| Published online | 01 September 2002 | |
A reflection grating for atoms at normal incidence
Institut d'Optique, URA 14 du CNRS, BP. 147, F-91403 Orsay Cedex, France
Received:
7
May
1997
Accepted:
22
July
1997
We have observed efficient atomic diffraction at normal incidence on an
evanescent standing wave with a very weak spatial modulation. A modulation
as small as 1.5% causes 66% of the atoms to be diffracted into the orders 
. The
measured diffraction efficiencies agree quantitatively with a scalar treatment of diffraction in
the thin phase grating approximation.
PACS: 32.80.Lg – Mechanical effects of light on atoms, molecules, and ions / 32.80.-t – Photon interactions with atoms / 32.80.Pj – Optical cooling of atoms; trapping
© EDP Sciences, 1997
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