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Physics

New Class of Atom Cooled to Near Absolute Zero

Allison Gasparini

Published Jun 7, 2022• 0 citations
Publisher

Abstract

Researchers have cooled indium atoms to a temperature
DOI
10.1103/physics.15.s76

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At temperatures near absolute zero, bosons form a macroscopic quantum state that can be manipulated and imaged in a very controlled and tunable way. To reach these extreme temperatures near absolute zero, advanced methods in cooling, including laser and evaporative cooling, must be used. In addition to these techniques for cooling, atoms must also be held up against the constant pull of gravity, so additional trapping techniques using lasers and magnets are used. In our lab at University of San Diego, we are implementing a tunable lens system (TLS) to optically transfer atoms to a more optically accessible location. A tunable lens (TL) is a lens where the curvature of the lens can be adjusted through an applied electrical current, thus translating where the focus of a lens is in a controlled way. This research aims to discover the optimal setup for a TLS to be used in the transportation of ultracold atoms in our system. In this research, I will report on the building of the TLS within the lab and the adjustment of various systems pertaining to the TL.

•Jan 1, 2024•0 citations
At temperatures near absolute zero, bosons form a macroscopic quantum state that can be manipulated and imaged in a very controlled and tunable way. To reach these extreme temperatures near absolute zero, advanced methods in cooling, including laser and evaporative cooling, must be used. In addition to these techniques for cooling, atoms must also be held up against the constant pull of gravity, so additional trapping techniques using lasers and magnets are used. In our lab at University of San Diego, we are implementing a tunable lens system (TLS) to optically transfer atoms to a more optically accessible location. A tunable lens (TL) is a lens where the curvature of the lens can be adjusted through an applied electrical current, thus translating where the focus of a lens is in a controlled way. This research aims to discover the optimal setup for a TLS to be used in the transportation of ultracold atoms in our system. In this research, I will report on the building of the TLS within the lab and the adjustment of various systems pertaining to the TL.