Abstract
We report on the demonstration of a multiple beam atom interferometer. While in conventional two-beam atom interferometers a sinusoidal fringe pattern is observed, the fringe pattern measured here resembles the more sharply peaked Airy function known, e.g., from an optical Fabry–Perot resonator. This technique promises to yield an increased precision in atom inter-ferometric measurements of, e.g., rotation or gravitation, since the obtained interference fringes are sharper than those of the corresponding two-beam atom interferometer.
© 1997 Optical Society of America
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