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Broadband high-resolution two-photon spectroscopy with laser frequency combs
Arthur Hipke, Samuel A. Meek, Takuro Ideguchi +2
Two-photon excitation spectroscopy with broad spectral span is demonstrated at Doppler-limited resolution. We describe first Fourier transform two-photon spectroscopy of an atomic…
A Frequency Comb calibrated Solar Atlas
P. Molaro, M. Esposito, S. Monai +10
The solar spectrum is a primary reference for the study of physical processes in stars and their variation during activity cycles. In Nov 2010 an experiment with a prototype of a L…
Modern Ives-Stilwell Experiments At Storage Rings: Large Boosts Meet High Precision
G. Gwinner, B. Botermann, C. Geppert +14
We give a brief overview of time dilation tests using high-resolution laser spectroscopy at heavy-ion storage rings. We reflect on the various methods used to eliminate the first-o…
Lifetime and population of the 2S state in muonic protium and deuterium
Marc Diepold, Fernando D. Amaro, Aldo Antognini +32
Radiative deexcitation (RD) of the metastable 2S state of muonic protium and deuterium atoms has been observed. In muonic protium, we improve the precision on lifetime and populati…
Scaling laws of the cavity enhancement for nitrogen-vacancy centers in diamond
Hanno Kaupp, Christian Deutsch, Huan-Cheng Chang +3
We employ a fiber-based optical microcavity with high finesse to study the enhancement of phonon sideband fluorescence of nitrogen-vacancy centers in nanodiamonds. Harnessing the f…
Fourier transform spectroscopy around 3 microns with a broad difference frequency comb
Samuel A. Meek, Antonin Poisson, Guy Guelachvili +2
We characterize a new mid-infrared frequency comb generator based on difference frequency generation around 3.2 microns. High power per comb mode (>10-7 W/mode) is obtained over a…