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Lecture notes in electrical engineering

Progress on Linear Ion Trap Mercury-Ion Frequency Standard

Hao Liu, Yuna Yang, Yuehong He, Haixia Li, Zhi-Hui Yang, Yi-He Chen, Lei She, Jiaomei Li

Published Jan 1, 2013• 4 citations
Publisher
DOI
10.1007/978-3-642-37407-4_30

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We report on progress towards the development of a small, low-mass and -power, high-stability mercury trapped-ion frequency standard for the Global Positioning System. The design performance goal is a frequency stability reaching into the 10(-16) range using technologies that allow for more than 10 years of continuous operational life. Key features include using a multi-pole ion trap to minimize sensitivity to ion-number-dependent effects and a nitrogen buffer gas for long vacuum pump life. The development program is structured in three phases with the goal of gaining early flight experience and keeping development costs in check.