We report on our progress toward the realization of an optical frequency standard referenced to strontium intercombination lines. Our current setup allows the production of ultracold Sr atoms in hundreds of ms. For high resolution spectroscopy of 1S0-3P0 doubly forbidden transition we have also prepared a 698 nm clock laser stabilized on high finesse symmetrically suspended cavity and a high power 813 nm light source for the optical lattice trap at the magic wavelength. All the laser source employed are based on semiconductor device. This opens the way to the realization of compact, reliable and eventually transportable optical frequency standards.
Strontium optical lattice clock with all semiconductor sources / N. Poli; R. E. Drullinger; M. G. Tarallo; G. M. Tino. - STAMPA. - (2007), pp. 655-658. (Intervento presentato al convegno Frequency Control Symposium, 2007 Joint with the 21st European Frequency and Time Forum / IEEE International tenutosi a Geneva, Switzerland nel 29 Jun 2007) [10.1109/FREQ.2007.4319155].
Strontium optical lattice clock with all semiconductor sources
POLI, NICOLA;TINO, GUGLIELMO MARIA
2007
Abstract
We report on our progress toward the realization of an optical frequency standard referenced to strontium intercombination lines. Our current setup allows the production of ultracold Sr atoms in hundreds of ms. For high resolution spectroscopy of 1S0-3P0 doubly forbidden transition we have also prepared a 698 nm clock laser stabilized on high finesse symmetrically suspended cavity and a high power 813 nm light source for the optical lattice trap at the magic wavelength. All the laser source employed are based on semiconductor device. This opens the way to the realization of compact, reliable and eventually transportable optical frequency standards.File | Dimensione | Formato | |
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Poli_EFTF2007.pdf
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