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Advanced microfabrication technologies for miniature caesium vapor cells for atomic clocks
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Paper Abstract

This paper presents an overview of technologies of MEMS Cs microcells for CPT-based atomic clocks, obtained in FEMTO-ST Institute over the last decade. We discuss the challenges in microfabrication of miniature cells: the different configurations of cells, two methods for filling alkali vapor cells with Cs from a dispenser pill and from the dispensing paste, and a study on the permeability of our microcells to the buffer gas limiting the sealing performances. Finally, we report on the aging tests and resulting short-term and long-term clock stability measurements.

Paper Details

Date Published: 1 March 2019
PDF: 7 pages
Proc. SPIE 10934, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology, 109342F (1 March 2019); doi: 10.1117/12.2506225
Show Author Affiliations
C. Gorecki, FEMTO-ST, UBFC (France)
V. Maurice, FEMTO-ST. UBFC (France)
R. Boudot, FEMTO-ST, UBFC (France)
S. Bargiel, FEMTO-ST. UBFC (France)
N. Passilly, FEMTO-ST, UBFC (France)
R. Chutani, FEMTO-ST. UBFC (France)
R. Vicarini, FEMTO-ST. UBFC (France)
S. Galliou, FEMTO-ST, UBFC (France)

Published in SPIE Proceedings Vol. 10934:
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology
Selim M. Shahriar; Jacob Scheuer, Editor(s)

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