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Robust frequency stabilization of multiple spectroscopy lasers with large and tunable offset frequencies
Alexander Nevsky, Soroosh Alighanbari, Qun-Feng Chen +7
We demonstrate a compact and robust device for simultaneous absolute frequency stabilization of three diode lasers whose carrier frequencies can be chosen freely relative to the re…
Robust, frequency-stable and accurate mid-IR laser spectrometer based on frequency comb metrology of quantum cascade lasers up-converted in orientation-patterned GaAs
Michael G. Hansen, Ingo Ernsting, Sergey V. Vasilyev +4
We demonstrate a robust and simple method for measurement, stabilization and tuning of the frequency of cw mid-infrared (MIR) lasers, in particular of quantum cascade lasers. The p…
Proton irradiation robustness of dielectric mirrors for high-finesse Fabry-Pérot resonators in the near-infrared spectral range
Qun-Feng Chen, Alexander Nevsky, Stephan Schiller +3
We demonstrate that a proton irradiation with fluences of /cm at low energy ( 36 MeV) and /cm at high energy (40 MeV and 90 Me…
The electric quadrupole moment of molecular hydrogen ions and their potential for a molecular ion clock
Dimitar Bakalov, Stephan Schiller
The systematic shifts of the transition frequencies in the molecular hydrogen ions are of relevance to ultra-high-resolution radio-frequency, microwave and optical spectroscopy of…
Feasibility of giant fiber-optic gyroscopes
Stephan Schiller
The availability of long-distance, underground fiber-optic links opens a perspective of implementing interferometric fiber-optic gyroscopes embracing very large areas. We discuss t…