Cold atom dynamics in linear and nonlinear optical potentials. William Williams

ISBN: 9781109359985

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NOOKstudy eTextbook

151 pages


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Cold atom dynamics in linear and nonlinear optical potentials.  by  William Williams

Cold atom dynamics in linear and nonlinear optical potentials. by William Williams
| NOOKstudy eTextbook | PDF, EPUB, FB2, DjVu, talking book, mp3, RTF | 151 pages | ISBN: 9781109359985 | 7.68 Mb

This dissertation has two major components. The first is theoretical work on using multiple optical fields to control atoms. Theoretical models for creating complex optical potentials for use in atomic lithography are explored and a proposal forMoreThis dissertation has two major components.

The first is theoretical work on using multiple optical fields to control atoms. Theoretical models for creating complex optical potentials for use in atomic lithography are explored and a proposal for serial writing of an atomic beam is presented. A proposal to compress a cloud of cold atoms to create a tightly confined cigar shaped cloud of dense atoms for use in atom optics experiments and quantum control is also presented.-The second component focuses on the study of nonlinear self-focusing in cold Cesium atoms.

Modulation instability is explored in a cold atom environment which produces novel effects such as red detuned modulational instability. Several experimental setups are explored and compared with theoretical models. The first is two-wave mixing which consists of a strong pump beam and a weak probe beam crossing in a MOT. The second is using a counter-propagating pump beam to balance the radiation force of the forward propagating pump beam. The third is retro-reflecting both the probe and the pump beam which creates a more complicated experimental setup with multiple atomic gratings.

Energy transfer from the pump to the probe beam via atomic density redistribution for red detuning is presented.



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