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Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

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A compact and efficient strontium oven for laser-cooling experiments.

M Schioppo¹, N Poli, M Prevedelli

¹Dipartimento di Fisica e Astronomia and LENS, Università di Firenze and INFN Sezione di Firenze, Via Sansone 1, 50019 Sesto Fiorentino, Italy.

The Review of Scientific Instruments

|November 7, 2012

Summary

This summary is machine-generated.

We developed a compact, efficient strontium oven for laser-cooling. This device produces a collimated atomic beam with low power consumption and a 10-year lifespan.

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Area of Science:

Atomic physics
Experimental apparatus design

Background:

Laser-cooling experiments require a stable and efficient source of atoms.
Existing atomic beam sources can be bulky or power-intensive.

Purpose of the Study:

To design and characterize a compact and efficient strontium oven for laser-cooling applications.
To achieve a high-flux collimated atomic beam with minimal power consumption.

Main Methods:

A novel oven design utilizing a stainless-steel reservoir and electrical heating via a tantalum wire.
Operation within a vacuum environment using an alumina multi-bore tube for collimation.
Characterization of atomic beam flux and power consumption at various temperatures.

Main Results:

Achieved a collimated strontium atomic beam with a flux of 1.0 × 10(13) s(-1) cm(-2).
Oven operates at 450 °C with low electrical power consumption of 36 W.
Demonstrated a 10-year estimated continuous operation lifetime and compatibility with other alkali and alkaline earth metals.

Conclusions:

The developed strontium oven is a compact, efficient, and long-lasting solution for laser-cooling experiments.
Its design offers versatility for use with various atomic species.
Represents a significant advancement in atomic beam source technology for quantum optics.