Browsing by Author "Overstolz, Thomas"
Now showing items 1-17 of 17
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Alkali metal condensation zones in MEMS alkali vapor cells and characterization in CPT clock
Karlen, Sylvain; Overstolz, Thomas; Gobet, Jean; Haesler, Jacques; Droz, Fabien; Lecomte, Steve (2019-05-05)We fabricated MEMS vapor cells gold microdiscs, allowing the condensation of alkali metal on preferred locations without the use of a thermal gradient. Reduction of light-shift induced long-term frequency instability in ... -
Ceramic based flat form factor miniature atomic clock physics package (C-MAC)
Haesler, Jacques; Kautio, Kari; Balet, Laurent; Karlen, Sylvain; Overstolz, Thomas; Gallinet, Benjamin; Herr, Tobias; Lecomte, Steve; Droz, Fabien; Karioja, Pentti; Lahti, Markku (2017-04-03) -
Cu-Cu thermocompression bonding as an innovative sealing method for MEMS atomic vapor cells
Karlen, Sylvain; Haesler, Jacques; Overstolz, Thomas; Bergonzi, Giovanni; Lecomte, Steve (2017) -
Driving an eXtra Small Atomic Resonator with low-power integrated RF frequency and laser locked loops
Haesler, Jacques; Overstolz, Thomas; Jose James, Rony; Pierer, Jörg; Contaldo, Matteo; Ruffieux, David; Lecomte, Steve (2011-05)The first prototype of an eXtra Small Atomic Resonator (XSAR) was presented by CSEM in 2009. This paper describes the progress realized in 2010 towards the realization of a low-power miniature atomic clock. We present a ... -
Functionalized MEMS vapor cells for chip-scale magnetometery
Karlen, Sylvain; Overstolz, Thomas; Gobet, Jean; Haesler, Jacques; Droz, Fabien; Hunter, Dominic; Tayler, Michael; Bodenstedt, S.; Lecomte, Steve; Mitchell, Morgan W. (2019-12-08) -
Gold microdiscs as alkali preferential condensation spots for cell clock long-term frequency improvement
Karlen, Sylvain; Overstolz, Thomas; Gobet, Jean; Haesler, Jacques; Droz, Fabien; Lecomte, Steve (2018-04)One of the main source of long-term frequency instabilities in MEMS cell clocks is the light-shift induced by optical intensity changes which can be caused by the presence of condensed alkali droplets within the light-path ... -
Lifetime assessment of RbN_3-filled MEMS atomic vapor cells with Al_2O_3 coating
Karlen, Sylvain; Gobet, Jean; Overstolz, Thomas; Haesler, Jacques; Lecomte, Steve (2017-02-06) -
MEMS alkali vapor cellstechnologies for atomic sensors
Karlen, Sylvain; Haesler, Jacques; Balet, Laurent; Overstolz, Thomas; Bergonzi, Giovanni; Gobet, Jean; Droz, Fabien; Lecomte, Steve (2019) -
MEMS atomic vapor cells at CSEM and their applications
Haesler, Jacques; Karlen, Sylvain; Overstolz, Thomas; Buchs, Gilles; Boiko, Dmitri L.; Droz, Fabien; Lecomte, Steve (2018) -
MEMS atomic vapor cells for gyroscope applications
Karlen, Sylvain; Buchs, Gilles; Overstolz, Thomas; Torcheboeuf, Nicolas; Onillon, Emmanuel; Haesler, Jacques; Boiko, Dmitri L. (2017) -
MEMS Atomic Vapor Cells for Quantum Technologies
Karlen, Sylvain; Haesler, Jacques; Overstolz, Thomas; Buchs, Gilles; Balet, Laurent; Boiko, Dmitri L.; Lecomte, Steve (2018) -
MEMS atomic vapor cells sealed by Cu-Cu thermocompression bonding
Karlen, Sylvain; Haesler, Jacques; Overstolz, Thomas; Bergonzi, Giovanni; Lecomte, Steve (2017) -
Non-destructive MEMS atomic vapor cells characterization by Raman spectroscopy and image analysis
Karlen, Sylvain; Gobet, Jean; Overstolz, Thomas; Haesler, Jacques (2016-04)The use of innovative and non-destructive methods to characterize the content of MEMS atomic vapor cells for atomic devices is reported: Raman spectroscopy is used as a fast and quantitative method to estimate the Nitrogen ... -
Nuclear spin decoherence time in MEMS atomic vapor cells for applications in quantum technologies
Buchs, Gilles; Karlen, Sylvain; Overstolz, Thomas; Torcheboeuf, Nicolas; Onillon, Emmanuel; Haesler, Jacques; Boiko, Dmitri L. (2018-02-28) -
Quantitative Micro-Raman Spectroscopy for Partial Pressure Measurement in Small Volumes
Karlen, Sylvain; Gobet, Jean; Overstolz, Thomas; Haesler, Jacques; Lecomte, Steve (2017-12-01)We demonstrate the quantitative capabilities of Raman confocal microscopy as a nondestructive method to measure the partial pressure of molecular gases in mm3 range sealed volume having an optical access. Thanks to a ... -
Swiss miniature atomic clock: First prototype and preliminary results
Haesler, Jacques; Bennès, Jonathan; Overstolz, Thomas; Pierer, Jörg; Jose James, Rony; Ruffieux, David; Lecomte, Steve (2012-04)The first prototype of an eXtra Small Atomic Resonator (XSAR) was presented by CSEM at the 2009 EFTF conference. This paper describes the progress realized until 2011 towards the realization of a low-power miniature atomic ... -
The integrated swiss miniature atomic clock
Haesler, Jacques; Balet, Laurent; Porchet, Jacques-André; Overstolz, Thomas; Pierer, Jörg; Jose James, Rony; Grossmann, Sylvain; Ruffieux, David; Lecomte, Steve (2013-07)The detailed design of the Swiss Miniature Atomic Clock (Swiss-MAC) was presented by CSEM in 2012. This paper describes the progress made in the meantime towards the realization of the integrated Swiss-MAC, by presenting ...