RuBECi
RuBECi
The RuBECi is a self-contained, tabletop, ultrahigh vacuum system for creating and manipulating ultra-cold atoms. It utilizes a two-cell vacuum system (a 2D+ MOT source cell and an ultra-high vacuum science cell compatible with long trap lifetimes). It features an atom chip for simple and rapid BEC production with a high-duty cycle and low power consumption. High numerical aperture imaging of trapped atoms in the chip potential is possible thanks to the atom chip's integration into the science cell wall. The RuBECi is shipped under a permanent vacuum and ready to be used with an appropriate optics package, such as the Physics Platform.
Product Details
Product Features
Compact UHV chamber
Up to two independent, active dispensers
Active and passive pumps to maintain vacuum
Integrated atom chip allows for the trapping and easy manipulation of ultra-cold atoms
Easily reconfigurable for specific applications
Element
Rubidium
Atom Chip
Standard
Window
Custom
Integrated optics
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![RuBECi without the magnet coils. This is the basic configuration]()
RuBECi configured without the magnet coils
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![Chip connections are at the top of the cell, by the atom chip]()
Chip connections are at the top of the cell, by the atom chip
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![The RuBECi is fed by a Cold Atom Source Cell to provide a high differential pressure between the 2D+ and 3D MOTs]()
The RuBECi is fed by a Cold Atom Source Cell to provide a high differential pressure between the 2D+ and 3D MOTs
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![The atom chip forms the top science cell wall]()
The atom chip forms the top science cell wall in the RuBECi
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Physics Platform
The Physics Platform provides the foundation optics for experiments, including a 3D magneto-optical trap (MOT) fed by a 2D+ MOT. It also includes optics for optical pumping and imaging atoms in the science cell.
Related Research
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On-chip optical lattice for cold atom experiments
An atom-chip-based integrated optical lattice system for cold and ultracold atom applications is presented. The retroreflection optics necessary for forming the lattice are bonded directly to the atom chip, enabling a compact and robust on-chip optical lattice system. After achieving Bose–Einstein condensation in a magnetic chip trap, we load atoms directly into a vertically oriented 1D optical lattice and demonstrate Landau–Zener tunneling. The atom chip technology presented here can be readily extended to higher dimensional optical lattices.
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Production of Rubidium Bose-Einstein Condensates at a 1 Hz Rate
We present an experimental apparatus that produces Bose-Einstein condensates (BECs) of 87Rb atoms at a rate of 1 Hz. As a demonstration of the system's ability to operate continuously, 30 BECs were produced and imaged in 32.1 s. Without imaging, a single BEC could be produced in 953 ms. The system uses an atom chip to confine atoms in a dimple trap with frequencies exceeding 1 kHz. With this tight trap, the duration of evaporative cooling was reduced to less than 0.5 s. Using principal component analysis, insight into the largest sources of noise and drift was obtained by extracting the dominant contributions to the variance. The system utilizes a compact physics package that can be integrated with lasers and electronics to create a transportable ultra cold device for applications outside of a laboratory environment.
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Compact experimental apparatus for producing high repetition rate 87Rb Bose Einstein condensation on atom chip
We construct a compact experimental apparatus for producing a high repetition rate ultra cold 87 Rb based on an external atom chip. In this system, we successfully produce Bose-Einstein condensation(BEC) with about 5 sec repetition period.