Sensing and control scheme for the inteferometer configuration with an L-shaped resonator

Sensing and control scheme for the inteferometer configuration with an L-shaped resonator
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L 形谐振器干涉仪配置的传感和控制方案

DOI:
10.1088/1361-6382/ad0454
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发表时间:
2023
影响因子:
3.5
通讯作者:
Guo X
Guo X
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Guo X

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The detection of high-frequency gravitational waves (GWs) around kHz is critical to understand the physics of binary neutron star mergers. A new interferometer design has been proposed in (Zhang et al 2023 Phys. Rev. X 13 021019), featuring an L-shaped optical resonator as the arm cavity, which resonantly enhances kHz GW signals. This new configuration has the potential to achieve better high-frequency sensitivity than the dual-recycled Fabry–Perot Michelson. In this paper, we propose a sensing and control scheme for this configuration. Despite having the same number of length degrees of freedom as the dual-recycled Fabry–Perot Michelson, the new configuration requires one less degree of freedom to be controlled owing to the system's insensitive to the fluctuation of
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