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Related Experiment Video

Updated: May 29, 2026

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Detecting inertial effects with airborne matter-wave interferometry.

R Geiger¹, V Ménoret, G Stern

¹Laboratoire Charles Fabry, Institut d'Optique, CNRS, Augustin Fresnel, France.

Nature Communications

|September 22, 2011

Summary

This summary is machine-generated.

Airborne atom interferometry accelerometers demonstrate high sensitivity, detecting weak inertial effects even during aircraft maneuvers. This technology advances inertial navigation and fundamental physics tests outside the lab.

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Area of Science:

Atomic physics
Quantum sensing
Inertial measurement

Background:

Atom interferometry enables high-precision inertial sensors.
Laboratory-based atom interferometers require stable environments, limiting field applications.
Developing portable and robust atom interferometers is crucial for expanding their use.

Purpose of the Study:

To demonstrate the first operation of an airborne matter-wave accelerometer.
To assess sensor performance during standard gravity (1g) and microgravity (0g) flight phases.
To evaluate the potential for airborne and spaceborne fundamental physics tests.

Main Methods:

Utilized an atom interferometer-based accelerometer aboard a parabolic flight aircraft.
Recorded sensor data during both 1g and 0g phases of the flight.
Characterized the sensor's sensitivity to inertial effects and acceleration fluctuations.

Main Results:

The airborne accelerometer successfully operated in both 1g and 0g environments.
At 1g, the sensor detected inertial effects over 300 times weaker than typical aircraft accelerations.
Achieved an interferometer sensitivity of 2 x 10^-4 ms^-2 / √Hz in 0g.

Conclusions:

Airborne atom interferometry is feasible and offers significant potential for inertial sensing.
The demonstrated sensitivity surpasses the requirements for detecting subtle inertial effects during flight.
The technology can be extended for advanced airborne and spaceborne tests of fundamental physics, such as the Universality of Free Fall.