A laser setup for rubidium cooling dedicated to space applications
TLDR
In this article, the authors present a complete characterization of a laser setup for rubidium cooling dedicated to space applications, which is realized with commercial off-the-shelf fiber components suitable for space applications.Abstract:
We present the complete characterization of a laser setup for rubidium cooling dedicated to space applications. The experimental setup is realized with commercial off-the-shelf fiber components suitable for space applications. By frequency doubling two fiber laser diodes at 1560 nm, we produce the two optical frequencies at 780 nm required for atomic cooling of $^{87}$Rb. The first laser is locked on saturated absorption signal and long term frequency drift has been canceled using a digital integrator. The optical frequency of the second laser is controlled relatively to the first one by a frequency comparison method. A full characterization of the setup, including frequency stability evaluation and frequency noise measurement has been performed. The optical frequency doubling module has been submitted to environmental tests to verify its compatibility with space applications.read more
Citations
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References
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Detecting inertial effects with airborne matter-wave interferometry
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TL;DR: The first operation of an airborne matter-wave accelerometer set up aboard a 0g plane and operating during the standard gravity and microgravity phases of the flight is reported.
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Interferometry with Bose-Einstein Condensates in Microgravity
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TL;DR: A miniaturized and robust experiment within the QUANTUS collaboration using ultra cold atoms in a free fall environment as a test-bed for matter-wave interferometry on long timescales is reported on.