Results of {open_quotes}Heisenberg Microscope{close_quotes} decoherence atom interferometry experiments
- Univ. of California, Berkeley, CA (United States)
We present results of atom interferometry experiments in which spatial matter - wave interference is revealed by its selective destruction. A thermal potassium beam is transmitted through a velocity selective atom interferometer and detected. The interferometer is a sequence of three diffraction gratings. Interference fringes forming a Moire pattern with the third grating determine the transmission. The thermal beam produces a velocity average over different fringe Fourier components, each resonant in the interferometer at a different atomic velocity. AC modulated laser light passes through the interferometer, near the middle grating. Since imaging of the fluorescent light could be used to determine which slit an atom passes, the contribution to the fringe pattern by atoms at the laser`s Doppler shifted wavelength is removed. That component is thus AC modulated and detected. This {open_quotes}atom interference filter{close_quotes} resolves the K{sup 39} HFS.
- OSTI ID:
- 281437
- Report Number(s):
- CONF-9305421--; CNN: Grant N00014-90-J-1475
- Journal Information:
- Bulletin of the American Physical Society, Journal Name: Bulletin of the American Physical Society Journal Issue: 3 Vol. 38; ISSN BAPSA6; ISSN 0003-0503
- Country of Publication:
- United States
- Language:
- English
Similar Records
Talbot-vonLau atom interferometry with cold slow potassium
Beam-Size Measurements on PEP-II Using Synchrotron-Light Interferometry