Low-Power chip-scale Rubidium plasma light source for miniature atomic clocks
- Resource Type
- Conference
- Authors
- Venkatraman, Vinu; Shea, Herbert; Petremand, Yves; de Rooij, Nico; Affolderbach, Christoph; Mileti, Gaetano
- Source
- 2011 Joint Conference of the IEEE International Frequency Control and the European Frequency and Time Forum (FCS) Proceedings Frequency Control and the European Frequency and Time Forum (FCS), 2011 Joint Conference of the IEEE International. :1-4 May, 2011
- Subject
- Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Computing and Processing
Signal Processing and Analysis
Robotics and Control Systems
Power, Energy and Industry Applications
Atomic clocks
Plasmas
Light sources
Optical feedback
Electrodes
Optical pumping
Optical device fabrication
- Language
- ISSN
- 2327-1914
2327-1949
1075-6787
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 micro-fabricated 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.