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Design of the Ion Trap and Vacuum System for 171Yb-ion Optical Frequency Standard

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Abstract

We are developing a frequency standard based on the ultra-narrow electric octupole transition of the ytterbium-ion (171Yb+), which is in the optical wavelength region. In this article, we describe optimized design of our end-cap type Paul trap which will be used for trapping single ions for precision frequency metrology. Selection of the materials for fabricating different parts of the trap assembly is also described. Customized design of the ultra-high vacuum chamber, which houses the ion trap, oven producing ytterbium atomic beam, compensation electrodes and high numerical aperture fluorescence collection lens together with four pairs of optical viewports is lastly described.

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Acknowledgments

We thank A. Sen Gupta for useful discussions and acknowledge CSIR-CSIO for fabricating the trap assembly using their precision machining facility. S. DE acknowledges CSIR-NPL, SERB-DST (No. SB/S2/LOP/033/2013) and DAE-BRNS (No. 34/14/19/2014-BRNS/0309) for supporting this work.

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Authors and Affiliations

  1. CSIR-National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi, 110012, India

    A. Rastogi, N. Batra, A. Roy, J. Thangjam, S. Panja & S. De

  2. Academy of Scientific and Industrial Research, CSIR Road, Taramani, Chennai, 600113, India

    A. Rastogi, N. Batra & J. Thangjam

  3. CSIR-Central Scientific Instruments Organization, Sector 30C, Chandigarh, 160030, India

    V. P. S. Kalsi

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  1. A. Rastogi
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  2. N. Batra
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  7. S. De
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Correspondence to S. De.

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Rastogi, A., Batra, N., Roy, A. et al. Design of the Ion Trap and Vacuum System for 171Yb-ion Optical Frequency Standard. MAPAN 30, 169–174 (2015). https://doi.org/10.1007/s12647-015-0140-6

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  • DOI: https://doi.org/10.1007/s12647-015-0140-6

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