DIFFRACTION OF METASTABLE HELIUM-ATOMS BY A TRANSMISSION GRATING

被引：32

作者：

CARNAL, O

FAULSTICH, A

MLYNEK, J

机构：

[1] Universität Konstanz, Fakultät für Physik, Konstanz

来源：

APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY | 1991年 / 53卷 / 02期

关键词：

07.77+p; 35.10-d; 42.10Hc;

D O I：

10.1007/BF00325536

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the diffraction of metastable helium atoms (de Broglie wavelength lambda-dB congruent-to 1 angstrom) passing a free-standing gold grating with a periodicity of 0.5-mu-m. The observed positions and intensities of the different diffraction peaks are in good agreement with a theoretical model for the grating shape. The overall transmission of the grating for the excited state atoms is about 30%, mainly determined by the grating geometry. Our result indicates that microfabricated transmission gratings can be used as efficient and coherent beam splitters for rare gas atoms in long-lived excited states. This fact offers interesting possibilities in view of atom interferometry with metastable noble gas atoms.

引用

页码：88 / 91

页数：4

共 14 条

[1] MEASURING THE VANDERWAALS FORCES BETWEEN A RYDBERG ATOM AND A METALLIC SURFACE [J].

ANDERSON, A ;

HAROCHE, S ;

HINDS, EA ;

JHE, W ;

MESCHEDE, D .

PHYSICAL REVIEW A, 1988, 37 (09) :3594-3597

[2]

Anderson JB, 1974, MOL BEAMS NOZZLE SOU, P1, DOI [10.1002/0471238961.1301191913151518.a01.pub2.MolecularBeamsandLowDensityGasdynamics, DOI 10.1002/0471238961.1301191913151518.A01.PUB2.MOLECULARBEAMSANDLOWDENSITYGASDYNAMICS]

[3]

BADUREK G, 1988, PHYSICA B, V151

[4] YOUNGS DOUBLE-SLIT EXPERIMENT WITH ATOMS - A SIMPLE ATOM INTERFEROMETER [J].