S.N. Lea

National Physical Laboratory — United Kingdom

Physics and Astronomy · Physical Sciences

19h-index2.0kcitations89works0.02yr avg
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Research Topics

Advanced Frequency and Time Standards(56), Advanced Fiber Laser Technologies(47), Atomic and Subatomic Physics Research(26), Spectroscopy and Laser Applications(24), Scientific Measurement and Uncertainty Evaluation(17)

Publications89 total

Trapped strontium ion optical clock
2017· 2 citedOpen Access
Trapped strontium ion optical clocks
ESA Special Publication·2017
NPL Cs fountain frequency standards and the quest for the ultimate accuracy
Journal of Physics Conference Series·2016· 27 citedOpen Access
Transportable cavity-stabilized laser system for optical carrier frequency transmission experiments
Applied Optics·2014· 9 cited
Frequency Ratio of Two Optical Clock Transitions in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:msup><mml:mrow><mml:mi>Yb</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>171</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>and Constraints on the Time Variation of Fundamental Constants
Physical Review Letters·2014· 454 citedOpen Access
An evaluation of the frequency shift caused by collisions with background gas in the primary frequency standard NPL-CsF2
IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control·2014· 22 cited
Characterization of InMnSb epitaxial films for spintronics
Journal of Physics Conference Series·2012· 4 citedOpen Access
A microwave cavity designed to minimize distributed cavity phase errors in a primary cesium frequency standard
2012· 6 cited
Ferromagnetic InMnSb multi-phase films study by aberration-corrected (scanning) transmission electron microscopy
Journal of Applied Physics·2012· 35 cited
High-resolution microwave frequency transfer over an 86-km-long optical fiber network using a mode-locked laser
Optics Letters·2011· 103 cited
Transfer of ultra-low phase noise microwave references over the JANET Aurora fibre network using a femtosecond optical frequency comb
ePrints Soton (University of Southampton)·2010Open Access
Development of an ultra-stable laser in the 1.5 &amp;#x00B5;m band for optical frequency transfer over optical fibre
2010
Optical frequency combs and applications at NPL
2010
High-stability microwave frequency transfer by propagation of an optical frequency comb over 50 km of optical fiber
Optics Letters·2010· 65 cited
Frequency measurement of the <sup>2</sup>S<sub>1/2</sub><sub>_2</sub>D<sub>3/2</sub> electric quadrupole transition in a single <sub>171</sub>yb+ ion
IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control·2010· 18 cited
Frequency measurement of the S-2(1/2)-D-2(3/2) electric quadrupole transition in a single Yb-171(+) ion.
2010· 1 cited
IMPROVEMENTS TO THE ROBUSTNESS OF A <font>TI</font>:SAPPHIRE-BASED FEMTOSECOND COMB AT NPL
2009
EXPERIMENTS WITH A NEW <sup>201</sup><font>Hg</font><sup>+</sup> ION CLOCK
2009· 1 cited
AN OPTICAL CLOCK BASED ON A SINGLE TRAPPED <sup>88</sup><font>Sr</font><sup>+</sup> ION
2009
MICROWAVE AND OPTICAL FREQUENCY TRANSFER VIA OPTICAL FIBRE
2009
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Frequent Co-authors

H. S. Margolis(26), P. Gill(26), Guozheng Huang(16), G. P. Barwood(13), S. A. Webster(12), K. Szymaniec(11), H. A. Klein(10), W. R. C. Rowley(10), Robert S. Windeler(6), Peter Blythe(6), A. Clairon(5), Peter Whibberley(4), D. Henderson(4), Kazumoto Hosaka(4), Guilong Huang(4), B. Walton(4), R. M. Godun(3), S. A. King(3), Philippe Laurent(3), S. Ghezali(3)