Extension of the LTP temperature diagnostics to the LISA band: first results
High-resolution temperature measurements are required in the LTP, i.e., 10 µK Hz-1/2 from 1 mHz to 30 mHz. This has already been accomplished with thermistors and a suitable low noise electronics. However, the frequency range of interest for LISA goes down to 0.1 mHz. Investigations on the performan...
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| Veröffentlicht in: | Classical and quantum gravity 2009-05, Vol.26 (9), p.094009-094009 (11) |
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| container_title | Classical and quantum gravity |
| container_volume | 26 |
| creator | Sanjuán, J Ramos-Castro, J Lobo, A |
| description | High-resolution temperature measurements are required in the LTP, i.e., 10 µK Hz-1/2 from 1 mHz to 30 mHz. This has already been accomplished with thermistors and a suitable low noise electronics. However, the frequency range of interest for LISA goes down to 0.1 mHz. Investigations on the performance of temperature sensors and the associated electronics at frequencies around 0.1 mHz have been performed. Theoretical limits of the temperature measurement system and the practical on-ground limitations to test them are shown demonstrating that 1/f noise is not observed in thermistors even at frequencies around 0.1 mHz and amplitude levels of 10 µK Hz-1/2. |
| doi_str_mv | 10.1088/0264-9381/26/9/094009 |
| format | Article |
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| language | eng |
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| source | Institute of Physics Journals |
| subjects | Exact sciences and technology General relativity and gravitation Physics |
| title | Extension of the LTP temperature diagnostics to the LISA band: first results |
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