The Al-Clock experiment developed two mechanical monolithic enhancement cavity designs for SHG in the VIS and UV. They are mechanical highly stable...

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The goal of  the Opticlock project is the developement of a prototype for a commercial version of an optical atomic clock, based on a single Yb+ ion. ...

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We have assembled our new cryogenic Paul trap, designed for trapping beryllium ions together with highly charged ions. The micro structured trap is...

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A low-drift, low-noise, multichannel dc voltage source for segmented-electrode Paul traps

Nikolai Beev, Julia-Aileen Fenske, Stephan Hannig, and Piet...

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On-line estimation of local oscillator noise and optimisation of servo parameters in atomic clocks

Ian D Leroux, Nils Scharnhorst, Stephan Hannig,...

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The Humboldt foundation grants Steven King a Humboldt Research Fellowship for postdoctoral researchers.

Congratulations!

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Fabian Wolf has received the Heraeus Poster Prize  for his poster presentation at the 636th Heraeus Seminar "Quantum-Limited Metrology and Sensing". ...

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Unexpectedly large difference of the electron density at the nucleus in the 4p2 P1/2,3/2 fine-structure doublet of Ca+

C. Shi, F. Gebert, C. Gorges,...

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A tunable low-drift laser stabilized to an atomic reference

T. Leopold, L. Schmöger, S. Feuchtenbeiner, C. Grebing, P. Micke, N. Scharnhorst,...

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Deutsche Forschungsgemeinschaft fördert innovatives Kooperationsprojekt von Leibniz Universität, PTB und ZARM

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