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You searched on: Author: li-anne liew

Displaying records 11 to 20 of 39 records.
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11. Microfabricated Atomic Magnetometers
Published: 10/31/2005
Authors: P Schwindt, John E Kitching, Leo W. Hollberg, Svenja A Knappe, V Shah, Li-Anne Liew, John Moreland
Abstract: Using the techniques of microelectromechanical systems, we are developing chip-scale atomic sensors based on laser excitation of alkali atoms. Recently, we demonstrated a magnetometer physics package that had sensitivity of 50 pT / Hz1/2 at 10 Hz, ha ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50226

12. Chip-Scale Atomic Frequency References
Published: 9/16/2005
Authors: John E Kitching, Svenja A Knappe, Li-Anne Liew, P Schwindt, Vladislav Gerginov, V Shah, John Moreland, Alan Brannon, J Breitbarth, Z Popovic, Leo W. Hollberg
Abstract: We describe recent efforts at NIST to develop microfabricated, chip-scale atomic frequency references based on microfabrication techniques commonly used in micro electro mechanical systems (MEMS). These devices are projected to have a volume of 1 cm^ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50227

13. Component-Level Demonstration of a Microfabricated Atomic Frequency Reference
Published: 8/29/2005
Authors: Vladislav Gerginov, Svenja A Knappe, P Schwindt, V Shah, Li-Anne Liew, John Moreland, Hugh Robinson, Leo W. Hollberg, John E Kitching, Alan Brannon, J Breitbarth, Z Popovic
Abstract: We demonstrate component-level functionality of the three critical subsystems for a chip-scale atomic clock: the physics package, the local oscillator and the control electronics. In addition, we demonstrate that these three components functioning to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50217

14. Chip-Scale Atomic Clocks at NIST
Published: 8/7/2005
Authors: John E Kitching, Svenja A Knappe, Li-Anne Liew, John Moreland, Hugh Robinson, P Schwindt, V Shah, Vladislav Gerginov, Leo W. Hollberg
Abstract: We describe recent efforts to develop microfabricated atomic frequency references capable of supporting a wide variety of commercial and military systems such as global positioning and wireless communication. These devices are anticipated to eventual ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50151

15. Microfabricated Atomic Frequency References
Published: 8/1/2005
Authors: John E Kitching, Svenja A Knappe, Li-Anne Liew, John M Moreland, Peter D. Schwindt, V Shah, V Gerginov, Leo W. Hollberg
Abstract: Using microfabrication processes, we have been able to construct physics packages for vapour cell atomic frequency references 100x smaller than previously existing versions, with a corresponding reduction in power consumption. In addition, the device ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=32084

16. Microfabricated atomic frequency references
Published: 6/7/2005
Authors: John E Kitching, Svenja A Knappe, Li-Anne Liew, John Moreland, P Schwindt, V Shah, Vladislav Gerginov, Leo W. Hollberg
Abstract: Using microfabrication processes, we have been able to construct physics packages for vapour cell atomic frequency references 100¿ smaller than previously existing versions, with a corresponding reduction in power consumption. In addition, the device ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50026

17. Microfabricated atomic frequency references
Published: 4/5/2005
Authors: John E Kitching, Svenja A Knappe, Li-Anne Liew, John Moreland, Hugh Robinson, P Schwindt, V Shah, Leo W. Hollberg
Abstract: We describe a design for a microfabricated atomic frequency reference with a volume of several cubic millimetres and a power dissipation in the range ot tens of milliwatts. It is anticipated that this frequency reference will be capable of achieving ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50005

18. Chip-Scale Atomic Frequency References: Fabrication and Performance
Published: 3/21/2005
Authors: John E Kitching, Svenja A Knappe, Li-Anne Liew, John Moreland, Hugh Robinson, P Schwindt, V Shah, Vladislav Gerginov, Leo W. Hollberg
Abstract: The physics package for a chip-scale atomic frequency standard was constructed and tested. The device has a total volume of 9.5 mm^u3^, dissipates 75 mW of electrical power at an ambient temperature of 45 {degree}C and has a short-term fractional fre ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50132

19. A chip-scale atomic clock based on ^u87^Rb with improved frequency stability
Published: 2/21/2005
Authors: Svenja A Knappe, P Schwindt, V Shah, Leo W. Hollberg, John E Kitching, Li-Anne Liew, John Moreland
Abstract: We demonstrate a microfabricated atomic clock physics package based on coherent population trapping (CPT) of ^u87^Rb atoms. The package occupies a volume of 12 mm^u3^ and requires 195 mW of power to operate. Compared to a previous microfabricated clo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=30062

20. Microfabricated Atomic Clocks
Published: 1/30/2005
Authors: John E Kitching, Svenja A Knappe, Li-Anne Liew, P Schwindt, V Shah, John Moreland, Leo W. Hollberg
Abstract: We summarize the development of microfabricated atomic frequency references at NIST. The physics packages of these devices have volumes near 10 mm3, power dissipation below 150 mW and can potentially achieve a fractional frequency instability in the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=30020



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