Abstract
We here developed and evaluated a laser frequency control system which synchronizes the laser frequency to the resonance of target Ca+ isotope ion whose having more than 8 GHz of isotope shift based on the Fringe Offset Lock method for simple operation of ICPMS-ILECS (Inductively Coupled Plasma Mass Spectrometry - Ion trap Laser Cooling Spectroscopy) The system fulfilled the minimum requirements of four slave lasers stability for Doppler cooling of Ca+ ions. A performance of the system was evaluated by cooling 40Ca+ ions with the stabilized slave lasers. All the stable even Ca+ isotope ions were trapped and their fluorescence was observed by switching laser frequencies using the system. An odd calcium isotope 43Ca+ cooling was also succeeded by the control system.
Proceedings of the 6th International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2014), Takamatsu, Japan, 1-5 December 2014
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Jung, K., Yamamoto, Y., Hasegawa, S. (2017). Development of multiple laser frequency control system for Ca+ isotope ion cooling. In: Wada, M., Schury, P., Ichikawa, Y. (eds) TCP 2014. Springer, Cham. https://doi.org/10.1007/978-3-319-61588-2_5
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DOI: https://doi.org/10.1007/978-3-319-61588-2_5
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-61588-2
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