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Type: Artigo
Title: Deep optical trap for cold alkaline-Earth atoms
Author: Cruz, Luciano S.
Sereno, Milena
Cruz, Flavio C.
Abstract: We describe a setup for a deep optical dipole trap or lattice designed for holding atoms at temperatures of a few mK, such as alkaline-Earth atoms which have undergone only regular Doppler cooling. We use an external optical cavity to amplify 3.2 W from a commercial single-frequency laser at 532 nm to 523 W. Powers of a few kW, attainable with low-loss optics or higher input powers, allow larger trap volumes for improved atom transfer from magneto-optical traps. We analyze possibilities for cooling inside the deep trap, the induced Stark shifts for calcium, and a cancellation scheme for the intercombination clock transition using an auxiliary laser.
Subject: Resfriamento a laser
Efeito stark
Country: Estados Unidos
Editor: Optical Society of America
Citation: Optics Express. Optical Soc Amer, v. 16, n. 5, n. 2909, n. 2914, 2008.
Rights: aberto
Identifier DOI: 10.1364/OE.16.002909
Date Issue: 2008
Appears in Collections:IFGW - Artigos e Outros Documentos

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