Elgar大规模原子干涉仪阵列的技术

论文标题

Elgar大规模原子干涉仪阵列的技术

Technologies for the ELGAR large scale atom interferometer array

论文作者

Canuel, B., Abend, S., Amaro-Seoane, P., Badaracco, F., Beaufils, Q., Bertoldi, A., Bongs, K., Bouyer, P., Braxmaier, C., Chaibi, W., Christensen, N., Fitzek, F., Flouris, G., Gaaloul, N., Gaffet, S., Alzar, C. L. Garrido, Geiger, R., Guellati-Khelifa, S., Hammerer, K., Harms, J., Hinderer, J., Holynski, M., Junca, J., Katsanevas, S., Klempt, C., Kozanitis, C., Krutzik, M., Landragin, A., Roche, I. Làzaro, Leykauf, B., Lien, Y. -H., Loriani, S., Merlet, S., Merzougui, M., Nofrarias, M., Papadakos, P., Santos, F. Pereira dos, Peters, A., Plexousakis, D., Prevedelli, M., Rasel, E. M., Rogister, Y., Rosat, S., Roura, A., Sabulsky, D. O., Schkolnik, V., Schlippert, D., Schubert, C., Sidorenkov, L., Siemß, J. -N., Sopuerta, C. F., Sorrentino, F., Struckmann, C., Tino, G. M., Tsagkatakis, G., Viceré, A., von Klitzing, W., Woerner, L., Zou, X.

论文摘要

我们提出了欧洲重力和原子化学计量学研究（ELGAR）实验室，这是一系列原子梯度计，旨在研究时空和引力，其主要目标是在峰值束带中观察引力波（GWS），并以峰值应变峰值的峰值应力敏感性为$ 3.3 \ times 10^\ 22^{-22} { - 22} { - 22} { - 22}/\ sqrt {在本文中，我们详细介绍了该大规模检测器的主要技术砖，并强调要实现的研究途径。我们讨论实现目标灵敏度所需的站点选项，原子光学和源要求。然后，我们讨论需要地震隔离技术，重力梯度降低策略以及与检测器的各种噪声耦合的计量学。

We proposed the European Laboratory for Gravitation and Atom-interferometric Research (ELGAR), an array of atom gradiometers aimed at studying space-time and gravitation with the primary goal of observing gravitational waves (GWs) in the infrasound band with a peak strain sensitivity of $3.3 \times 10^{-22}/\sqrt{\text{Hz}}$ at 1.7 Hz. In this paper we detail the main technological bricks of this large scale detector and emphasis the research pathways to be conducted for its realization. We discuss the site options, atom optics, and source requirements needed to reach the target sensitivity. We then discuss required seismic isolation techniques, Gravity Gradient Noise reduction strategies, and the metrology of various noise couplings to the detector.

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