The AEI 10 m prototype interferometer frequency control using the reference cavity and its angular control
- Kawazoe, Fumiko
- Bergmann, Gerald
- Bertolini, Alessandro
- Born, Michael
- Chen, Yanbei
- Cummning, Alan V.
- Cunningham, Liam
- Dahl, Katrin
- Gräf, Christian
- Hammond, Giles
- Heinzel, Gerhard
- Hild, Stefan
- Huttner, Sabina H.
- Jones, Russell
- Köhlenbeck, Sina
- Kühn, Gerrit
- Lück, Harald
- Mossavi, Kasem
- Pöld, Jan Hendrik
- Somiya, Kentaro
- van Veggel, Anna-Maria
- Wanner, Alexander
- Westphal, Tobias
- Willke, Benno
- Strain, Kenneth
- Goßler, Stefan
- Danzmann, Karsten
DOIAbstract
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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