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Low-vibration cryogenic testbed for inertial sensor characterization.
Number: 0017
Author(s) : ZEOLI M., BERTHELOT A., HEIJNINGEN J. V. V., JACQUES L., LENAERTS C., COLLETTE C.
Summary
Sub-picometer-class, cryogenic inertial sensors are developed to monitor suspension stages near the mirror of future gravitational-wave detectors, which operates in extremely low vibration and cryogenic environments. We present a testbed to validate their performance before deployment, that provides a 4 K, low-vibrating environment. The vibrating parts of a closed-cycle pulse-tube cryocooler are passively decoupled from the testing environment with a convective pocket of gaseous Helium and soft thermal links. The setup is placed on a 6 degrees-of-freedom actively isolated platform to mitigate seismic motion disturbances. The 4 K testing environment will reach a sub-nm/√Hz vibration level from 1 Hz.
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Details
- Original title: Low-vibration cryogenic testbed for inertial sensor characterization.
- Record ID : 30033874
- Languages: English
- Subject: Technology
- Source: Cryogenics 2025. Proceedings of the 18th IIR International Conference on Cryogenics, Prague, Czech Republic, 7-11 April 2025.
- Publication date: 2025/04/07
- DOI: http://dx.doi.org/10.18462/iir.cryo.2025.0017
Links
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Indexing
- Themes: Small-scale cryogenic applications, cryocoolers
- Keywords: Cryostat; Design; Vibration; Test rig; Sensor; Cryogenics
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- Author(s) : ZHAO H. L., HOU Y., CHEN R. G., et al.
- Date : 2007/08/21
- Languages : English
- Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
- Formats : PDF
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Concept and design of an LH₂ tank test rig and ...
- Author(s) : JUST T., HABERSTROH C.
- Date : 2025/04/07
- Languages : English
- Source: Cryogenics 2025. Proceedings of the 18th IIR International Conference on Cryogenics, Prague, Czech Republic, 7-11 April 2025.
- Formats : PDF
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Development of orifice pulse tube refrigerator.
- Author(s) : AWATE A. U., SANE N. K.
- Date : 1998/01/24
- Languages : English
- Source: National symposium on future trends in refrigeration technology. Souvenir cum proceedings.
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Low vibration, low thermal fluctuation system f...
- Author(s) : MAURITSEN L., SNOW D., WOIDTKE A., et al.
- Date : 2009
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INVESTIGATION OF THE MINIATURE CRYOCOOLER VIBRA...
- Author(s) : GROMOV A. V., PROUSMAN Y. O., OLIVER V. I.
- Date : 1991/08/10
- Languages : English
- Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
- Formats : PDF
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