+
ions. Frequency doubling of a 100 mW diode laser at 986 nm results in up to 60 mW output power at 493 nm in a bandwidth of less than 60 kHz with respect to the cavity used for locking. Reference frequencies of 18 spectral lines of Te2 near the 493 nm resonance of Ba+ have been measured using modulation transfer spectroscopy. The fluorescence excitation spectrum of a single Ba+ ion, measured with this laser, exhibits well-resolved dark resonances, which confirms the versatility of the system for quantum optical experiments.
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Received: 12 June 1998
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Raab, C., Bolle, J., Oberst, H. et al. Diode laser spectrometer at 493 nm for single trapped Ba+ ions . Appl Phys B 67, 683–688 (1998). https://doi.org/10.1007/s003400050566
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DOI: https://doi.org/10.1007/s003400050566