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Bose-Einstein Condensation in Microgravity
Going Down the Tube Two pillars of modern physics are quantum mechanics and general relativity. So far, both have remained apart with no quantum mechanical description of gravity available. Van Zoest… Expand
STE-QUEST - Test of the Universality of Free Fall Using Cold Atom Interferometry
The theory of general relativity describes macroscopic phenomena driven by the influence of gravity while quantum mechanics brilliantly accounts for microscopic effects. Despite their tremendous… Expand
Combination of a continuous-wave optical parametric oscillator and a femtosecond frequency comb for optical frequency metrology.
We combined a tunable continuous-wave optical parametric oscillator and a femtosecond Ti:sapphire laser frequency comb to provide a phase-coherent bridge between the visible and the mid-infrared… Expand
Picometer and nanoradian optical heterodyne interferometry for translation and tilt metrology of the LISA gravitational reference sensor
The Laser Interferometer Space Antenna (LISA) aims at detecting gravitational waves by referencing heterodyne interferometry to free-flying (inertial) proof masses, located at the corners of a… Expand
Picometre and nanoradian heterodyne interferometry and its application in dilatometry and surface metrology
A high-sensitivity heterodyne interferometer implementing differential wavefront sensing for tilt measurement was developed over the last few years. With this setup, using an aluminium breadboard and… Expand
Advanced technologies for satellite navigation and geodesy
This manuscript reviews recent progress in optical frequency references and optical communication systems and discusses their utilizations in global satellite navigation systems and satellite geodesy. Expand
Macroscopic Quantum Resonators (MAQRO): 2015 update
Do the laws of quantum physics still hold for macroscopic objects - this is at the heart of Schrödinger’s cat paradox - or do gravitation or yet unknown effects set a limit for massive particles?… Expand
A high sensitivity heterodyne interferometer as a possible optical readout for the LISA gravitational reference sensor and its application to technology verification
The space-based gravitational wave detector LISA (Laser Interferometer Space Antenna) utilizes a high performance position sensor in order to measure the translation and tilt of the free flying proof… Expand
Atom interferometry in space: thermal management and magnetic shielding.
- A. Milke, A. Kubelka-Lange, +4 authors C. Braxmaier
- Physics, Medicine
- The Review of scientific instruments
- 7 February 2014
Atom interferometry is an exciting tool to probe fundamental physics. It is considered especially apt to test the universality of free fall by using two different sorts of atoms. The increasing… Expand
Offset compensation by use of amplitude-modulated sidebands in optical frequency standards.
- H. Müller, S. Herrmann, T. Schuldt, M. Scholz, E. Kovalchuk, A. Peters
- Physics, Medicine
- Optics letters
- 15 November 2003
We present a general method for continuously measuring and compensating for offsets (due to residual amplitude modulation, parasitic resonances, or electronic offset voltages, for example) in… Expand