A highly miniaturized vacuum package for a trapped ion atomic clock
Abstract
We report on the development of a highly miniaturized vacuum package for use in an atomic clock utilizing trapped ytterbium-171 ions. The vacuum package is approximately 1 cm3 in size and contains a linear quadrupole RF Paul ion trap, miniature neutral Yb sources, and a non-evaporable getter pump. We describe the fabrication process for making the Yb sources and assembling the vacuum package. To prepare the vacuum package for ion trapping, it was evacuated, baked at a high temperature, and then back filled with a helium buffer gas. Once appropriate vacuum conditions were achieved in the package, the package was sealed with a copper pinch-off and was then pumped only by the non-evaporable getter. We demonstrated ion trapping in this vacuum package and the operation of an atomic clock, stabilizing a local oscillator to the 12.6 GHz hyperfine transition of 171Yb+. The fractional frequency stability of the clock was measured to be 2 × 10-11 / τ1/2.
- Authors:
-
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Jet Propulsion Laboratory, Pasadena, CA (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- Defense Advanced Research Projects Agency (DARPA)
- OSTI Identifier:
- 1259538
- Report Number(s):
- SAND2015-10505J
Journal ID: ISSN 0034-6748; RSINAK; 614696
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Review of Scientific Instruments
- Additional Journal Information:
- Journal Volume: 87; Journal Issue: 5; Journal ID: ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Schwindt, Peter D. D., Jau, Yuan-Yu, Partner, Heather, Casias, Adrian, Wagner, Adrian R., Moorman, Matthew, Manginell, Ronald P., Kellogg, James R., and Prestage, John D. A highly miniaturized vacuum package for a trapped ion atomic clock. United States: N. p., 2016.
Web. doi:10.1063/1.4948739.
Schwindt, Peter D. D., Jau, Yuan-Yu, Partner, Heather, Casias, Adrian, Wagner, Adrian R., Moorman, Matthew, Manginell, Ronald P., Kellogg, James R., & Prestage, John D. A highly miniaturized vacuum package for a trapped ion atomic clock. United States. https://doi.org/10.1063/1.4948739
Schwindt, Peter D. D., Jau, Yuan-Yu, Partner, Heather, Casias, Adrian, Wagner, Adrian R., Moorman, Matthew, Manginell, Ronald P., Kellogg, James R., and Prestage, John D. Thu .
"A highly miniaturized vacuum package for a trapped ion atomic clock". United States. https://doi.org/10.1063/1.4948739. https://www.osti.gov/servlets/purl/1259538.
@article{osti_1259538,
title = {A highly miniaturized vacuum package for a trapped ion atomic clock},
author = {Schwindt, Peter D. D. and Jau, Yuan-Yu and Partner, Heather and Casias, Adrian and Wagner, Adrian R. and Moorman, Matthew and Manginell, Ronald P. and Kellogg, James R. and Prestage, John D.},
abstractNote = {We report on the development of a highly miniaturized vacuum package for use in an atomic clock utilizing trapped ytterbium-171 ions. The vacuum package is approximately 1 cm3 in size and contains a linear quadrupole RF Paul ion trap, miniature neutral Yb sources, and a non-evaporable getter pump. We describe the fabrication process for making the Yb sources and assembling the vacuum package. To prepare the vacuum package for ion trapping, it was evacuated, baked at a high temperature, and then back filled with a helium buffer gas. Once appropriate vacuum conditions were achieved in the package, the package was sealed with a copper pinch-off and was then pumped only by the non-evaporable getter. We demonstrated ion trapping in this vacuum package and the operation of an atomic clock, stabilizing a local oscillator to the 12.6 GHz hyperfine transition of 171Yb+. The fractional frequency stability of the clock was measured to be 2 × 10-11 / τ1/2.},
doi = {10.1063/1.4948739},
journal = {Review of Scientific Instruments},
number = 5,
volume = 87,
place = {United States},
year = {Thu May 12 00:00:00 EDT 2016},
month = {Thu May 12 00:00:00 EDT 2016}
}
Web of Science
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