SAMOP 2023 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 59: Poster IV
Q 59.36: Poster
Donnerstag, 9. März 2023, 16:30–19:00, Empore Lichthof
Compact rack-integrated UV laser system for a transportable Al+ quantum logic optical clock — •Joost Hinrichs1,2, Stephan Hannig1,3, Benjamin Kraus1,3, Constantin Nauk1, and Piet O. Schmidt1,2,3 — 1Physikalisch-Technische Bundesanstalt, 38116 Braunschweig, Germany — 2Leibniz Universität Hannover, 30167 Hannover, Germany — 3DLR-Institute for Satellite Geodesy and Inertial Sensing, 30167 Hannover, Germany
Optical atomic clocks currently provide the most precise frequency standards. For side-by-side comparisons or applications in relativistic geodesy, transportable and robust setups with lowest possible uncertainties are necessary. The feature of transportability requires a highly-stable, compact and automatized implementation.
For our transportable 27Al+ clock all components, including optics and the vacuum chamber, will be integrated into conventional 19 in-racks. As one part of the clock apparatus we present a compact design of the Al+ logic laser emitting at 267 nm to drive the 1S0 ↔ 3P1 transition. The system consists of a fibre laser operating at 1068 nm and two frequency doubling cavities to generate the required UV output for the logic transition. The complete optical setup is housed in one rack-integrated aluminium drawer. We present the setup and characterize its efficiency and long-term stability.