Low-Power Chip-Scale Rubidium Plasma Light Source for Miniature Atomic Clocks

We present the development, testing and characterization of a low-power chip-scale Rubidium (Rb) plasma light source designed to serve for optical pumping in miniature atomic clocks. The technique used is electrodeless capacitively coupled plasma (CCP) discharge, driven in a microfabricated Rb vapor cell. The device is electrically driven at frequencies between 1 and 36 MHz to emit 140 μW of stable optical power while coupling < 6 mW of electrical power to the discharge cell. To our knowledge this is the first reported Rb plasma emitted from a chip-scale device.


Published in:
Proceedings of 2011 Joint IFCS/EFTF Conference
Presented at:
2011 Joint IFCS/EFTF Conference, San Francisco, CA, USA, May 1-5, 2011
Year:
2011
Publisher:
Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa
ISBN:
978-1-61284-110-6/11
Keywords:
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 Record created 2011-08-18, last modified 2018-03-18

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