miniMOT V2 – Compact MOT System for Cold Atoms

Logo of Infleqtion, formerly ColdQuanta

  • Compact UHV system for producing a MOT
  • For rubidium or cesium atoms
  • Integrated vacuum, dispenser, and coil control
  • Intuitive operation via touchscreen
  • Supplied under vacuum and ready for immediate use
  • MOT can be implemented within a few hours
DWW

Dr. Wolf-Dieter Wagner

Laser, Quantum optics, Spectroscopy, Particle measurement


Download data sheet (PDF)

Compact MOT system for research and education

The miniMOT V2 by Infleqtion is a compact, pre-configured ultra-high vacuum system for the generation and control of cold atom clouds. It enables the setup of a magneto-optical trap (MOT) with rubidium or cesium, without first having to build a complex vacuum system from individual components.

The system is already delivered under vacuum and integrates essential vacuum, control, and magnet components into a compact platform. As a result, a functional MOT can be realized within a few hours instead of a typically much longer setup process.

Integrated ultra-high vacuum system

Active and passive pumps ensure a long-term stable vacuum environment. Without Rb/Cs load, Infleqtion gives a typical pressure of <10 nTorr an.

The integrated electronics control the vacuum system, the alkali atom pressure, and the miniMOT coils. The essential operating parameters can be directly adjusted and monitored via the integrated touch display.

For rubidium and cesium

The miniMOT V2 is for experiments with Rubidium (Rb) or Cesium (Cs) designed. The atomic source is directly integrated into the system.

Together with the miniMOT coils, the anti-Helmholtz magnetic field required for the magneto-optical trap is generated. Infleqtion specifies a typical field gradient for the coils of 13–14 G/(A·cm) along the coil axis.

Different UHV glass cells

The miniMOT V2 can be configured with different Infleqtion glass cells. In addition to a thin-walled standard cell, there are AR-coated cells and high-NA imaging cells available.

This allows the optical access to be adapted to the requirements of the respective experiment—for example, for laser cooling, fluorescence imaging, or more demanding optical investigations of the trapped atoms. Customer-specific UHV glass cells are also possible.

miniMOT package for extra-fast setup

Optionally, the miniMOT V2 can be used as miniMOT Package be deployed with pre-configured optics. The package includes a compact breadboard platform with optics for beam splitting and polarization, mirrors for MOT alignment, and a camera for observing the atom cloud.

The optical unit is delivered pre-aligned, thereby enabling a particularly quick setup of a complete magneto-optical trap. The laser input takes place via FC/APC fiber optic connector.

Typical applications

  • Magneto-optical traps (MOT)
  • Laser Cooling
  • Cold atom experiments
  • Atomic physics and quantum optics
  • Quantum technology and quantum sensing
  • University teaching and internships
  • Development and Demonstration of Quantum Systems

miniMOT V2 by Infleqtion

With its compact design and integrated vacuum and control components, the miniMOT V2 significantly reduces the effort required to get started with cold atom experiments. At the same time, the platform can be adapted to various experimental requirements using different glass cells, optics, and other Infleqtion components.

Soliton assists you in configuring the miniMOT V2 as well as in selecting suitable optics, laser, magnetic, and UHV components for your experimental setup.

Specifications

Property Value
Dimensions 149.1 × 119.4 × 298.5 mm
Weight typ. 3.2 kg
atomic species Rubidium or cesium
Typical vacuum without Rb/Cs load <10 nTorr
Cell height 88.9 mm
Supply 100–240 V AC, 50–60 Hz
Power Consumption <60 W
residual magnetic field of the ion pump 0.5 G at the cell center
coil current -1 to +1 A
magnetic field gradient typ. 13–14 G/(A·cm)

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