Phys. Rev. Lett. 77, 2356–2359 (1996)Multiple Beam Atomic InterferometerReceived 4 December 1995; published in the issue dated 16 September 1996 We have demonstrated a multiple beam atom interferometer. Atoms in a cesium atomic beam are optically pumped into a spatially separating nonabsorbing superposition state consisting of five partial beams in different Zeeman sublevels separated by a momentum of two photon recoils each. When the partial waves are spatially recombined, we observe an interference signal which shows the sharply peaked Airy pattern characteristic for multiple beam interference. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.2356
DOI:
10.1103/PhysRevLett.77.2356
PACS:
03.75.Dg, 07.60.Ly, 32.80.Lg, 42.50.Vk
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