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This work unites the concepts of laser cooling and matter-wave
interferometry to develop an interferometric laser cooling
technique in an experimental system of cold rubidium atoms. Serving
as an introduction to graduate level coherent optical atomic
manipulation, the thesis describes the theory of stimulated Raman
transitions and atom interferometry, along with the experimental
methods for preparing and manipulating cold atoms, before building
on these foundations to explore tailored optical pulse sequences
and novel atomic cooling techniques. Interferometric cooling,
originally proposed by Weitz and Hansch in 2000, is based upon the
coherent broadband laser pulses of Ramsey interferometry and in
principle allows laser cooling of atomic and molecular species
outside the scope of traditional Doppler laser cooling. On the path
toward cooling, composite pulses - quantum error correction
methods, developed by chemists to mitigate the effects of in
homogeneities in NMR spectroscopy - are investigated with a view to
improving the performance of atom interferometers.
This work unites the concepts of laser cooling and matter-wave
interferometry to develop an interferometric laser cooling
technique in an experimental system of cold rubidium atoms. Serving
as an introduction to graduate level coherent optical atomic
manipulation, the thesis describes the theory of stimulated Raman
transitions and atom interferometry, along with the experimental
methods for preparing and manipulating cold atoms, before building
on these foundations to explore tailored optical pulse sequences
and novel atomic cooling techniques. Interferometric cooling,
originally proposed by Weitz and Hansch in 2000, is based upon the
coherent broadband laser pulses of Ramsey interferometry and in
principle allows laser cooling of atomic and molecular species
outside the scope of traditional Doppler laser cooling. On the path
toward cooling, composite pulses - quantum error correction
methods, developed by chemists to mitigate the effects of in
homogeneities in NMR spectroscopy - are investigated with a view to
improving the performance of atom interferometers.
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