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  4. LTCC integrated miniature Rb discharge lamp module for stable optical pumping in miniature atomic clocks and magnetometers
 
conference paper

LTCC integrated miniature Rb discharge lamp module for stable optical pumping in miniature atomic clocks and magnetometers

Venkatraman, Vinu
•
Shea, Herbert  
•
Vecchio, Fabrizio  
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2012
Proceedings, 18th IEEE International Symposium for Design and Technology in Electronic Packaging (SIITME)
18th IEEE International Symposium for Design and Technology in Electronic Packaging (SIITME)

We report here on an integrated mini-lamp module (15x26x4 mm3) with a microfabricated rf-powered Rb dielectric barrier discharge (DBD) lamp (10x10x3 mm3) positioned on top of a 0.6 mm thick (thickness adjustable) 4-layer LTCC (Low Temperature Co-fired Ceramic) stacked platform containing a serpentine heating resistor design with high heating capacity (up to several hundred degree Celsius) for lamp heating, a fast response DP 5092D PTC temperature sensor for temperature stabilization using PID feedback and a patterned pad layout for the drive circuit components and interconnects. This is the first report of an LTCC integrated Rb mini-lamp module. The novelties of this design include: (1) compact module and independent heating design with thermal isolation of the drive components, (2) very low capacitive interference of the heating elements on the lamp electrodes leading to lower power coupling losses and higher optical power stability during pumping operation, and (3) the components can be batch-fabricated and the module can be independently used for optical pumping in other applications including magnetometers and gyroscopes.

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2012 Venkatraman SIITME Alba Iulia - article.pdf

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2012 Venkatraman SIITME Alba Iulia - poster.pdf

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