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physics.atom-ph2025
Isotope shift spectroscopy in mercury vapors: a valid alternative to ytterbium for new physics search
Stefania Gravina, Antonio Castrillo, Livio Gianfrani
Precision isotope shift metrology in the deep-UV region has been performed for all bosonic isotopes of mercury with a zero nuclear spin, by using the technique of frequency-comb re…
physics.optics2025
Cavity ringdown spectroscopy at 2 m wavelength assisted by a comb-locked optical parametric oscillator
Vittorio D'Agostino, Eugenio Fasci, Muhammad Asad Khan +3
We report on a comb-locked cavity ring-down spectrometer developed for high-precision molecular spectroscopy at 2 m. It is based on the use of an external-cavity diode laser tha…