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Engineering topics

Tjoelker, R.

Publications and source records attributed to Tjoelker, R..

5 records

All sources NASA NTRS DOE OSTI

NASA NTRS2002

Stability measurements between two Hg LITE 12-pole clocks

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Hg LITE 12-pole clocks stability measurements↗

NASA NTRS2000

Improved Timekeeping Using Advanced Trapped Ion Clocks

Timekeeping requires practical, continuously operating, frequency standards with exceptional long term stability.

Atomic Clock Timekeeping Ion Trap↗

NASA NTRS2000

Nitrogen Buffer Gas Experiments in Mercury Trapped Ion Frequency Standards

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atomic clock nitrogen gas Mercury↗

NASA NTRS1999

Higher Pole Linear Traps for Atomic Clock Applications

We investigate experimentally and theoretically higher pole linear ion traps for frequency standard use.

Atomic↗

NASA NTRS1993

Improved Linear Ion Trap Physics Package

This paper describes the improvement in the architecture of the physics package used in the Linear-Ion -Trap-(LIT)-based frequency standard recently developed at JPL.

Linear↗