Zeeman Slowing W. Phillips, H. Metcalf PRL 48 p569 (1982)

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Presentation transcript:

Zeeman Slowing W. Phillips, H. Metcalf PRL 48 p569 (1982)

Light Pressure Traping 1D and 2D lenses

Magneto Optic Trap E. Raab et al. PRL 59 p2631 (1987) Atoms are pushed to the point with B=0 Typical parameters: Density: >10 11 atoms/cm 3 Up to >10 10 atoms 3d magnetic field realization: Quadrupole

Atoms in a Light Field Dresses States

Dipole Force comparison with trapping of glass beads

Molasses Experiment Lett et al. JOSA B6 p2084 (1989)

Molasses Experiment temperature vs. turn off time Lett et al. JOSA B6 p2084 (1989)

Molasses Experiment temperature Lett et al. JOSA B6 p2084 (1989)

Molasses Experiment life time Lett et al. JOSA B6 p2084 (1989)

Molasses Theory polarisation gradients J. Dalibard, C. Cohen-Tannoudji JOSA B6 p2023 (1989)

Molasses Theory light shift, Sisyphus Effect J. Dalibard, C. Cohen-Tannoudji JOSA B6 p2023 (1989)

Molasses Theory force J. Dalibard, C. Cohen-Tannoudji JOSA B6 p2023 (1989)

S. Chu (Bell Labs 1985) Molasses Experiment Polarisation Gradient Cooling C. Salomon et al. EPL 12 p683 (1990) S. Chu

Cooling With Stimulated Emission A. Aspect et al. PRL 57 p1688 (1986)

V elocity S elective C oherent P opulation T rapping R. Kaiser et al. PRL 61 p826 (1988)

Raman Cooling M. Kasevich, S. Chu PRL 69 p1741 (1992)