利用单个法布里-珀罗腔探测无位移噪声引力波：一个玩具模型
Displacement-noise-free gravitational-wave detection with a single Fabry-Perot cavity: a toy model
摘要：
我们提出了一个失谐的法布里-珀罗腔，通过两个反射镜泵浦，作为\textit{a toy model}的引力波（GW）探测器部分免费的位移噪声的测试质量。结果表明，腔镜噪声可以消除，而激光器和探测器噪声不能消除。GW信号与反射镜的位移噪声的隔离在腔输出信号的适当线性组合中实现。由于失谐腔的反射和透射输出信号之间的差异，这种线性组合的构造是可能的。结果表明，在低频区，所得到的无位移噪声响应信号比S. Kawamura和Y.尘然而，在噪声消除过程中的谐振增益的损失的结果是我们的玩具模型的激光器和探测器的位移噪声的灵敏度限制。
英文摘要：
We propose a detuned Fabry-Perot cavity, pumped through both the mirrors, as \textit{a toy model} of the gravitational-wave (GW) detector partially free from displacement noise of the test masses. It is demonstrated that the noise of cavity mirrors can be eliminated, but the one of lasers and detectors cannot. The isolation of the GW signal from displacement noise of the mirrors is achieved in a proper linear combination of the cavity output signals. The construction of such a linear combination is possible due to the difference between the reflected and transmitted output signals of detuned cavity. We demonstrate that in low-frequency region the obtained displacement-noise-free response signal is much stronger than the $f^3_{\textrm{gw}}$-limited sensitivity of displacement-noise-free interferometers recently proposed by S. Kawamura and Y. Chen. However, the loss of the resonant gain in the noise cancelation procedure results is the sensitivity limitation of our toy model by displacement noise of lasers and detectors.
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