arXiv: Atomic Physics

A liquid nitrogen-cooled Ca+ optical clock with systematic uncertainty of 3×10-18

Pub Date : 2021-03-16 DOI: 10.21203/RS.3.RS-333884/V1 Yao Huang, Baolin Zhang, Mengyan Zeng, Yanmei Hao, Huaqing Zhang, H. Guan, Zheng Chen, Miao Wang, K. Gao

In Situ Sub-50-Attosecond Active Stabilization of the Delay Between Infrared and Extreme-Ultraviolet Light Pulses

Pub Date : 2020-12-17 DOI: 10.1103/PHYSREVAPPLIED.15.034036 M. Luttmann, D. Bresteau, J. Hergott, O. Tcherbakoff, T. Ruchon

Laser spectroscopy of the 2S1/2 - 2P1/2, 2P3/2 transitions in stored and cooled relativistic C3+ ions

Pub Date : 2020-12-17 DOI: 10.21203/RS.3.RS-117322/V1 D. Winzen, V. Hannen, M. Bussmann, A. Buß, C. Egelkamp, L. Eidam, Zhongkui Huang, D. Kiefer, S. Klammes, T. Kuhl, M. Loeser, Xinwen Ma, W. Nörtershäuser, H. Ortjohann, R. Sánchez, M. Siebold, T. Stöhlker, J. Ullmann, J. Vollbrecht, T. Walther, H. Wang, C. Weinheimer, D. Winters