双法布里-珀罗腔无位移噪声引力波探测
Displacement-noise-free gravitational-wave detection with two Fabry-Perot cavities
摘要：
我们提出了两个失谐法布里-珀罗腔，每个泵通过两个镜子，定位在线作为一个玩具模型的引力波（GW）检测器从位移噪声的测试群众。结果表明，只要腔输出信号的线性组合适当，腔镜的噪声就可以完全消除。这个模型是由一个简化的往返模型（没有法布里-珀罗腔）。结果表明，在低频区，所得到的无位移噪声响应信号比最近由S.Kawamura和Y. Chen提出的干涉仪的响应信号强。
英文摘要：
We propose two detuned Fabry-Perot cavities, each pumped through both the mirrors, positioned in line as a toy model of the gravitational-wave (GW) detector free from displacement noise of the test masses. It is demonstrated that the noise of cavity mirrors can be completely excluded in a proper linear combination of the cavities output signals. This model is illustrated by a simplified round trip model (without Fabry-Perot cavities). We show that in low-frequency region the obtained displacement-noise-free response signal is stronger than the one of the interferometer recently proposed by S.Kawamura and Y.Chen.
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