The AEI 10 m Prototype Interferometer frequency control using the reference cavity and its angular control
- Kawazoe, F.
- Bergmann, G.
- Bertolini, A.
- Born, M.
- Chen, Y.
- Cummning, A.
- Cunningham, L.
- Dahl, K.
- Gräf, C.
- Hammond, G.
- Heinzel, G.
- Hild, S.
- Huttner, S.
- Jones, R.
- Köhlenbeck, S.
- Kühn, G.
- Lück, H.
- Mossavi, K.
- Pöld, J.
- Somiya, K.
- van Veggel, A.
- Wanner, A.
- Westphal, T.
- Willke, B.
- Strain, K.
- Goßler, S.
- Danzmann, K.
Publication date
January 2012
DOI Publisher
IOP Publishing Language
EnglishAbstract
The main purpose of the AEI 10 m Prototype is to reach and eventually surpass the Standard Quantum Limit at frequencies ranging from 20 Hz to 1 kHz with a 10 m arm-length Michelson interferometer named the sub-SQL interferometer. The frequency control system uses a 20 m optical path length triangular suspended cavity named the reference cavity, with the goal of suppressing frequency noise of the input laser to a level of ~ 10-4 Hz/ at 20 Hz rolling off to below 6 × 10-6 Hz/ above 1 kHz. It is expected that tight angular control of the reference cavity's mirrors is necessary to reach this stringent requirement
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