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9th Symposium on Frequency Standards and Metrology

16–20 Oct 2023
Kingscliff, NSW, Australia
Australia/Sydney timezone

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Session

Compact Clocks

20 Oct 2023, 08:30
Kingscliff, NSW, Australia

Kingscliff, NSW, Australia

Mantra on Salt Beach Kingscliff, Tweed Coast Gunnamatta Avenue, Kingscliff NSW

Conveners

Compact Clocks

  • Erling Riis (University of Strathclyde)

Presentation materials

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  1. 81. The Deep Space Atomic Clock: Demonstration of a Trapped Ion Atomic Clock in Space
    Eric Burt (Jet Propulsion Laboratory)
    20/10/2023, 08:30
    Miniature, Portable and Space Systems
    Invited Oral

    Research on room-temperature trapped ion atomic clocks at the Jet Propulsion Laboratory recently culminated in the launch of NASA's Deep Space Atomic Clock (DSAC) mission in 2019. Operating in space for 2 years, DSAC achieved a new level of performance among the most stable space clocks now in use and is expected to enable new space clock applications that require both high stability and...

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  2. 163. Micro mercury ion clock with frequency stability performance comparable to that of rack mount Cs frequency standards
    Nan Yu (JPL, CalTech)
    20/10/2023, 09:00
    Miniature, Portable and Space Systems
    Invited Oral

    As communication and navigation systems increasingly rely on precise timing signals from atomic clocks, the interest in smaller and more power-efficient clocks has grown in recent years. However, achieving high performance in clock frequency stabilities while reducing size, weight, and power (SWaP) has proven to be a challenge. Surveying existing atomic clocks in use clearly shows a stubborn...

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  3. 116. Compact and Manufacturable Ultrastable Optical Reference Cavities: 10^-14 Stability in Less Than 10 mL Volume
    Franklyn Quinlan (National Institute of Standards and Technology)
    20/10/2023, 09:30
    Miniature, Portable and Space Systems
    Invited Oral

    We have developed several sub-10 mL vacuum-gap Fabry-Perot cavities that provide ~$10^{-14}$ factional frequency stability and ultralow phase noise, using scalable lithographic techniques to fabricate million-finesse mirrors.

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  4. 119. Optical Lattice Clocks at NPL
    Ian Hill
    20/10/2023, 10:00
    Molecular, Atomic, Ion and Nuclear Clocks
    Invited Poster

    We present an overview of the latest activities relating to optical lattice clocks at NPL inlcuding: contributions to the BIPM for steering TAI, a full systematic evaluation of NPL-Sr1 with a target uncertainty below 5e-18, composite clock schemes making use of quantum non-demolition readout to improve the precision of clock comparisons, and the outlook for a new Yb optical lattice clock with...

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