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Displaying records 11 to 20 of 762 records.
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11. A COLD-ATOM CLOCK BASED ON COHERENT POPULATION TRAPPING
Topic: Physics
Published: 11/26/2012
Authors: Elizabeth A Donley, Francois-Xavier R. Esnault, Eric Michael Blanshan, John E Kitching
Abstract: A compact cold-atom clock based on coherent population trapping is being developed. The clock aims to ultimately achieve a timing uncertainty of a few nanoseconds per day. Here we present an initial evaluation of the three main systematic frequency ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912842

12. A Compact Cold-Atom Frequency Standard Based on Coherent Population Trapping
Topic: Physics
Published: 5/24/2012
Authors: Francois-Xavier R. Esnault, John E Kitching, Elizabeth A Donley
Abstract: We present the status of our cold-atom clock based on coherent population trapping, including the present clock stability and a preliminary evaluation of the three main systematic frequency shifts: the 1st-order Doppler shift, the Zeeman shift, and t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911637

13. A Cryogenic Linear Ion Trap for Accurate Spectroscopy
Topic: Physics
Published: 1/1/1996
Authors: M E Poitzsch, James C Bergquist, Wayne M Itano, David J Wineland
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=105056

14. A Cryogenic Linear Ion Trap for ^u199^Hg^u+^ Frequency Standards
Topic: Physics
Published: 6/5/1996
Authors: J D Miller, M E Poitzsch, F C Cruz, D J Berkeland, James C Bergquist, Wayne M Itano, David J Wineland
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=105465

15. A Green Laser Pointer Hazard
Series: Technical Note (NIST TN)
Report Number: 1668
Topic: Physics
Published: 8/2/2010
Authors: Jemellie Galang, Alessandro Restelli, Edward Walter Hagley, Charles W Clark
Abstract: An inexpensive green laser pointer was found to emit 20 mW of infrared radiation during normal use. This is potentially a serious hazard that would not be noticed by most users of such pointers. We find that the problem derives from an unsafe desig ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906138

16. A High-Resolution Atlas of Uranium-Neon in the H Band
Topic: Physics
Published: 2/3/2012
Authors: Scott A Diddams, Stephen Lewis Redman, Gabriel George Ycas, Ryan Terrien, Suvrath Mahadevan, Lawrence W. Ramsey , Chad F. Bender, Steve Osterman, Franklyn J Quinlan, James E. Lawler, Gillian Nave
Abstract: The rapid advance in near-infrared (NIR) detector technology in the past decade has lead to a number of high-resolution astronomical spectrometers that are either in operation or in the planning stages. Precision wavelength calibration techniques tra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908850

17. A Laser-Cooled Frequency Standard for GPS
Topic: Physics
Published: 9/20/2011
Authors: Thomas Patrick Heavner, Stephan E Barlow, Marc A Weiss, Neil Ashby, Steven R Jefferts
Abstract: NIST is in an initial phase of developing a prototype laser-cooled atomic frequency standard (AFS) for potential use in a future GPS system. The expected fractional frequency stability or Allan deviation, {sigma}^dy^({tau}), will be 2x10^u-13^ at on ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909410

18. A Local Oscillator for Chip-Scale Atomic Clocks at NIST
Topic: Physics
Published: 6/5/2006
Authors: Alan Brannon, J Breitbarth, Z Popovic, Vladislav Gerginov, V Shah, Svenja A Knappe, Leo W. Hollberg, John E Kitching
Abstract: We report the first local oscillator (LO) demonstrating viability in terms of performance, size, and power, for chip-scale atomic clocks (CSAC) at the National Institute of Standards and Technology in Boulder, CO. This volgate-controlled oscillator ( ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50388

19. A Local Oscillator for Chip-Scale Atomic Clocks at NIST
Topic: Physics
Published: 6/1/2005
Authors: Alan Brannon, J Breitbarth, Z Popovic, Vladislav Gerginov, V Shah, Svenja A Knappe, Leo W. Hollberg, John E Kitching
Abstract: We report the first local oscillator (LO) demonstrating viability in terms of performance, size, and power, for chip scale atomic clocks (CSAC) at the National Institute of Standards and Technology in Boulder, CO. This volgate-controlled oscillator ( ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841991

20. A Low-Power, High-Sensitivity Micromachined Optical Magnetometer
Topic: Physics
Published: 12/11/2012
Authors: Rahul R. (Rahul) Mhaskar, Svenja A Knappe, John E Kitching
Abstract: We demonstrate a fiber-optically coupled optical magnetometer based on a microfabricated ^u87^Rb vapor cell in a micromachined silicon sensor head. The cell is optically heated with light at 1.5 mm brought to the cell through an optical fiber and abs ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912125



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