Abstract
We built a Mach-Zehnder type interferometer for atomic deBroglie waves where diffraction at standing light waves which act as phase gratings for the (metastable) argon beam and serve as beam splitter (Fig. 1) [1]. This interferometer can be viewed as the exact mirror image of a grating interferometer for light, with switched roles for atoms and light.
© 1996 Optical Society of America
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