ZAIGA:昭山长基线原子干涉仪引力天线
ZAIGA: Zhaoshan Long-baseline Atom Interferometer Gravitation Antenna
摘要:
昭山长基线原子干涉仪引力天线(ZAIGA)是一种新型的地下激光联动干涉仪设施,目前正在建设中。它位于武汉东南约80公里处的一座名为昭山的平均地下200米处。ZAIGA将配备长基线原子干涉仪、高精度原子钟和大型陀螺仪。ZAIGA设施将采用等边三角形配置,每个臂上有两个相距1公里的原子干涉仪,一个安装有原子喷泉和原子钟的300米垂直隧道,以及一个跟踪和测距1公里臂长的原型,其中晶格光学时钟由锁定激光器连接。ZAIGA设施将用于引力及相关问题的实验研究,包括引力波探测、微粒子等效原理的高精度检验、基于时钟的引力红移测量、自转测量和重磁效应。
英文摘要:
The Zhaoshan long-baseline Atom Interferometer Gravitation Antenna (ZAIGA) is a new type of underground laser-linked interferometer facility, and is currently under construction. It is in the 200-meter-on-average underground of a mountain named Zhaoshan which is about 80 km southeast to Wuhan. ZAIGA will be equipped with long-baseline atom interferometers, high-precision atom clocks, and large-scale gyros. ZAIGA facility will take an equilateral triangle configuration with two 1-km-apart atom interferometers in each arm, a 300-meter vertical tunnel with atom fountain and atom clocks mounted, and a tracking-and-ranging 1-km-arm-length prototype with lattice optical clocks linked by locked lasers. The ZAIGA facility will be used for experimental research on gravitation and related problems including gravitational wave detection, high-precision test of the equivalence principle of micro-particles, clock based gravitational red-shift measurement, rotation measurement and gravito-magnetic effect.
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