Compact vacuum setup for 27Al+ and 40Ca+ ion trapping

0567987 - ÚPT 2023 RIV US eng C - Conference Paper (international conference)
Grim, Jakub - Vlček, Ivan - Jedlička, Petr - Pham, Minh Tuan - Lešundák, Adam - Řeřucha, Šimon - Čížek, Martin - Kovalenko, A. - Slodička, L. - Číp, Ondřej
Compact vacuum setup for 27Al+ and 40Ca+ ion trapping.
22nd Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics. Bellingham: SPIE, 2022 - (Masajada, J.; Urbańczyk, W.), Roč. 12502 (2022), č. článku 125020W. Proceedings of SPIE, 12502. ISBN 978-1-5106-6112-7. ISSN 0277-786X. E-ISSN 1996-756X.
[Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics /22./. Wojanów (PL), 05.09.2022-09.09.2022]
R&D Projects: GA MŠMT(CZ) EF16_026/0008460
EU Projects: European Commission(XE) 20FUN01 - TSCAC
Institutional support: RVO:68081731
Keywords : Ion trap * vacuum chamber * ablation loading * coils * homogeneous magnetic field
OECD category: Optics (including laser optics and quantum optics)
https://www.spiedigitallibrary.org/conference-proceedings-of-spie/12502/2664638/Compact-vacuum-setup-for-27Al-and-40Ca-ion-trapping/10.1117/12.2664638.short

We present a design of a new compact vacuum chamber with an electrical trap for trapping and laser cooling of 40Ca+ and 27Al+ ions. The custom chamber was designed to a minimum dimension to achieve ultra-high vacuum environment and good optical access to trapped ions. Combining the shape of the electrical trap with intrinsic geometrical symmetry and the size of the viewports will allow maximum efficiency of fluorescence collection from ions. The setup is ready for ablation and loading of 40Ca+ and 27Al+ ions to deal with quantum logic experiments for optical clock operation. In combination with magnetic saddle coils, Helmholtz coil and external magnetic shielding made of mu-metal, we achieve a very homogeneous magnetic field in the ion trapping area. The main part of a chamber equipped with viewports is made of titanium to maintain this homogeneous magnetic field and suppress residual fields. The presented setup will allow quantum experiments with single ions and Coulomb crystals in a stable and homogeneous magnetic field, which is necessary for many-ions optical clock systems.
Permanent Link: https://hdl.handle.net/11104/0339305