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We have demonstrated the transfer of both population and momentum (8hk) in a multilevel system by adiabatic following of a slowly evolving light field. Spontaneous emission is suppressed because the atoms remain in a ‘dark’ state during their evolution. This technique will be useful for the realization of coherent, large angle atomic beam splitters. Our results are in good agreement with calculations...
Many technical improvements in fluorescence microscopy over the years have focused on decreasing background and increasing the signal to noise ratio (SNR). The scanning confocal fluorescence microscope (SCFM) represented a major improvement in these efforts. The SCFM acquires signal from a thin layer of a thick sample, rejecting light whose origin is not in the focal plane thereby dramatically decreasing...
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