Journal
OPTICS EXPRESS
Volume 25, Issue 3, Pages 2187-2194Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.25.002187
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Funding
- European Space Agency (ESA) under the Networking and Partnering Initiative (NPI) (ESA Contract) [4000112650/14/NL/GLC]
- CSEM's R&D activity - canton of Neuchatel
- cantons of Central Switzerland
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Micro-fabricated (MEMS) alkali vapor cells are at the heart of the miniaturization of atomic devices such as atomic magnetometers, atomic gyroscopes and atomic clocks. Among the different techniques used to fill microfabricated alkali vapor cell, UV decomposition of rubidium azide (RbN3) into metallic Rb and nitrogen in Al2O3 coated cells is a very promising approach for low-cost wafer-level fabrication. Here we present a detailed lifetime study of such cells. The rubidium consumption being the main identified cell failure mode, it is monitored with an novel image analysis technique and with high temperature long term aging tests. (C) 2017 Optical Society of America
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