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Master's Dissertation
DOI
10.11606/D.54.1992.tde-19052014-114527
Document
Author
Full name
Valdir Carlos Colussi
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1992
Supervisor
Committee
Bagnato, Vanderlei Salvador (President)
Castro Neto, Jarbas Caiado de
Pereira, Daniel
Title in Portuguese
Possibilidades de produção de feixes atômicos monoenergéticos
Keywords in Portuguese
Aceleração
Átomos de sódio
Desaceleração
Feixe atômico
Monoenergização
Abstract in Portuguese
Neste trabalho, apresentamos um estudo detalhado da técnica de desaceleração e aceleração de átomos pelo ajuste Zeeman, possibilitando a produção de um feixe atômico monoenergético. Usando esta técnica, realizamos estudos sobre efeito de bombeameto óptico e condições de seguimento adiabático dos átomos no campo magnético. Através do entendimento destes efeitos, pudemos propor modificações que permitirão a produção de um fluxo intenso de átomos monoenergéticos, que deverão permitir experimentos, com este tipo de feixe atômico, fora do sistema
Title in English
Prospects for producing monoenergetic atomic beams
Keywords in English
Accelerate
Atomic sodium beam
Decelerate
Monoenergetic
Abstract in English
We have carefully studied the Zeeman-tuned technique to decelerate and also accelerate sodium atoms atomic beam, creating ways of producing monoenergetic atomic beams. A systematic study of the optical pumping effects on these beams, as well as its adiabatic following conditions along the magnetic field were also investigated. A single laser beam, together with minor changes on the the magnetic field profile and on the optical setup, was used to decelerate and/or to accelerate atoms running outside of the Zeeman solenoid, simplifying and speeding up the experimental runs
 
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Publishing Date
2014-05-20
 
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