Laser Cooling And Trapping Pdf

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Laser Cooling and Trapping

Laser cooling and trapping of barium. N2 - Laser cooling and trapping of heavy alkaline-earth element barium have been demonstrated for the first time ever. For any possible cycling transition in barium that could provide strong cooling forces, the excited state has a very large branching probability to metastable states. Additional lasers are thus needed to bring the atoms back in to the cooling cycle. In this work barium atoms were efficiently collected in a magneto-optical trap MOT by large optical forces from the strong 6s2 1S0 — 6s6p 1P1 transition. Trapping of barium has been achieved using up to seven lasers simultaneously. The properties of the barium MOT were characterized.

Skip to main content Skip to table of contents. Advertisement Hide. This service is more advanced with JavaScript available. Laser Cooling and Trapping. Front Matter Pages i-xvi.

SPECTROSCOPY ON ALUMINUM MONOCHLORIDE (ALCL) FOR LASER COOLING AND TRAPPING

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Metcalf and P. Metcalf , P. A review is presented of some of the principal techniques of laser cooling and trapping that have been developed during the past 20 years. Its approach is primarily experimental, but its quantitative descriptions are consistent in notation with most of the theoretical literature.

Laser cooling and trapping of barium

This Field Guide provides an overview of the basic principles of laser cooling of atoms, ions, nanoparticles, and solids, including Doppler cooling, polarization gradient cooling, different sub-recoil schemes of laser cooling, forced evaporation, laser cooling with anti-Stokes fluorescence, hybrid laser cooling, and Raman and Brillouin cooling. It also covers radiation-balanced lasers and Raman lasers with heat mitigation, and considers the basic principles of optical dipole traps, magnetic traps, and magneto-optical traps. Cooling or refrigeration is based on heat removal and dates back thousands of years to when people tried to preserve their food using ice and snow. The laser—a groundbreaking scientific achievement of the 20th century—has revolutionized the cooling process.

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5 Response
  1. Janina M.

    Doppler cooling is a mechanism that can be used to trap and slow the motion of atoms to cool a substance.

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