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Journal Article

Interferometry for the LISA technology package (LTP) aboard SMART-2

MPS-Authors
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Heinzel,  Gerhard
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Schilling,  Roland
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Rüdiger,  Albrecht
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Wand,  V.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Danzmann,  Karsten
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Citation

Heinzel, G., Schilling, R., Braxmaier, C., Rüdiger, A., Robertson, D., te Plate, M., et al. (2003). Interferometry for the LISA technology package (LTP) aboard SMART-2. Classical and Quantum Gravity, 20(10), S153-S161. doi:10.1088/0264-9381/20/10/318.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-52A6-A
Abstract
The interferometer of the LISA technology package (LTP) on SMART-2 is needed to verify the performance of the gravitational sensors by monitoring the distance between two test masses with a noise level of 10 pm Hz-1/2 between 3 mHz and 30 mHz. It must continuously track the motion of the test mass distance while that distance changes by many µm with a speed of up to 20 µm s-1, without losing track of the sign of the motion and without exerting any influence on the test masses that might lead to a motion above that level. As a result of a detailed comparison study, a heterodyne Mach–Zehnder interferometer was selected as the baseline for the SMART-2 mission. Its design and expected performance are described in this paper.