arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1005.2176astro-ph.IMgr-qcphysics.ins-det
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Laser干涉仪空间天线时延干涉测量的实验验证

Experimental Demonstration of Time-Delay Interferometry for the Laser Interferometer Space Antenna

Glenn de Vine, Brent Ware, Kirk McKenzie, Robert E. Spero, William M. Klipstein, Daniel A. Shaddock

摘要:

我们报告的第一个演示的时间延迟干涉(TDI)的LISA,激光干涉仪空间天线。TDI是在一个实验室实验中实现的,该实验旨在模拟LISA中将发生的噪声耦合。TDI将激光频率噪声抑制了约10^9,将时钟相位噪声抑制了6x10^4,恢复了我们实验室测试台的固有位移噪声基底。在后处理中消除激光频率噪声和时钟相位噪声标志着LISA测量方案的首次实验验证。

英文摘要:

We report on the first demonstration of time-delay interferometry (TDI) for LISA, the Laser Interferometer Space Antenna. TDI was implemented in a laboratory experiment designed to mimic the noise couplings that will occur in LISA. TDI suppressed laser frequency noise by approximately 10^9 and clock phase noise by 6x10^4, recovering the intrinsic displacement noise floor of our laboratory test bed. This removal of laser frequency noise and clock phase noise in post-processing marks the first experimental validation of the LISA measurement scheme.

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