activity
20132022
most cited1.5 m lasers with sub 10 mHz linewidth

584 citations · 2.1k across the 9 of their papers we have counts for

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physics.optics2022★ 46 cited

A transportable clock laser system with an instability of

Sofia Herbers, Sebastian Häfner, Sören Dörscher +3

We present a transportable ultra-stable clock laser system based on a Fabry-Pérot cavity with crystalline AlGaAs/GaAs mirror coatings, fused silica (FS) mirror su…

physics.optics2016★ 235 cited

A transportable optical lattice clock with uncertainty

S. B. Koller, J. Grotti, St. Vogt +5

We present a transportable optical clock (TOC) with Sr. Its complete characterization against a stationary lattice clock resulted in a systematic uncertainty of ${7.4 \times…

physics.optics2015★ 137 cited

Realization of a time-scale with an accurate optical lattice clock

C. Grebing, A. Al-Masoudi, S. Dörscher +7

Optical clocks are not only powerful tools for prime fundamental research, but are also deemed for the re-definition of the SI base unit second as they now surpass the performance…

physics.optics2015★ 265 cited

8E-17 fractional laser frequency instability with a long room-temperature cavity

Sebastian Häfner, Stephan Falke, Christian Grebing +5

We present a laser system based on a 48 cm long optical glass resonator. The large size requires a sophisticated thermal control and optimized mounting design. A self balancing mou…

physics.optics2014★ 69 cited

A compact, robust, and transportable ultra-stable laser with a fractional frequency instability of

Qun-Feng Chen, Alexander Nevsky, Marco Cardace +5

We present a compact and robust transportable ultra-stable laser system with minimum fractional frequency instability of at integration times between 1 to 10 s. T…