Frequency Ratio of Two Optical Clock Transitions in RM Godun, PBR Nisbet-Jones, JM Jones, SA King, LAM Johnson, ...
Physical review letters 113 (21), 210801, 2014
595 2014 Geodesy and metrology with a transportable optical clock J Grotti, S Koller, S Vogt, S Häfner, U Sterr, C Lisdat, H Denker, C Voigt, ...
Nature Physics 14 (5), 437-441, 2018
556 2018 Hertz-level measurement of the optical clock frequency in a single 88Sr+ ion HS Margolis, GP Barwood, G Huang, HA Klein, SN Lea, K Szymaniec, ...
Science 306 (5700), 1355-1358, 2004
458 2004 The CODATA 2017 values of h, e, k, and NA for the revision of the SI DB Newell, F Cabiati, J Fischer, K Fujii, SG Karshenboim, HS Margolis, ...
Metrologia 55 (1), L13, 2018
369 2018 Test of special relativity using a fiber network of optical clocks P Delva, J Lodewyck, S Bilicki, E Bookjans, G Vallet, R Le Targat, ...
Physical review letters 118 (22), 221102, 2017
238 2017 Einstein Gravity Explorer–a medium-class fundamental physics mission S Schiller, GM Tino, P Gill, C Salomon, U Sterr, E Peik, A Nevsky, A Görlitz, ...
Experimental astronomy 23, 573-610, 2009
145 2009 High-resolution microwave frequency transfer over an 86-km-long optical fiber network using a mode-locked laser G Marra, R Slavík, HS Margolis, SN Lea, P Petropoulos, DJ Richardson, ...
Optics letters 36 (4), 511-513, 2011
131 2011 Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks BM Roberts, P Delva, A Al-Masoudi, A Amy-Klein, C Baerentsen, ...
New Journal of Physics 22 (9), 093010, 2020
125 2020 Agreement between two GP Barwood, G Huang, HA Klein, LAM Johnson, SA King, HS Margolis, ...
Physical Review A 89 (5), 050501, 2014
115 2014 Geodetic methods to determine the relativistic redshift at the level of 10 H Denker, L Timmen, C Voigt, S Weyers, E Peik, HS Margolis, P Delva, ...
Journal of Geodesy 92, 487-516, 2018
114 2018 Measurement of the Electric Quadrupole Moment of the GP Barwood, HS Margolis, G Huang, P Gill, HA Klein
Physical review letters 93 (13), 133001, 2004
112 2004 Absolute frequency measurement of the 674-nm HS Margolis, G Huang, GP Barwood, SN Lea, HA Klein, WRC Rowley, ...
Physical Review A 67 (3), 032501, 2003
109 2003 Comparing ultrastable lasers at 7 × 10−17 fractional frequency instability through a 2220 km optical fibre network M Schioppo, J Kronjaeger, A Silva, R Ilieva, JW Paterson, CFA Baynham, ...
Nature communications 13 (1), 212, 2022
97 2022 The Oxford electron‐beam ion trap: A device for spectroscopy of highly charged ions JD Silver, AJ Varney, HS Margolis, PEG Baird, IP Grant, PD Groves, ...
Review of scientific instruments 65 (4), 1072-1074, 1994
93 1994 Dissemination of an optical frequency comb over fiber with 3 × 10−18 fractional accuracy G Marra, HS Margolis, DJ Richardson
Optics express 20 (2), 1775-1782, 2012
89 2012 Absolute frequency measurement of the 2S1/2–2F7/2 electric octupole transition in a single ion of 171Yb+ with 10− 15 fractional uncertainty SA King, RM Godun, SA Webster, HS Margolis, LAM Johnson, ...
New Journal of Physics 14 (1), 013045, 2012
83 2012 High-stability microwave frequency transfer by propagation of an optical frequency comb over 50 km of optical fiber G Marra, HS Margolis, SN Lea, P Gill
Optics letters 35 (7), 1025-1027, 2010
79 2010 H. a. Klein, SN Lea, K. Szymaniec, and P. Gil HS Margolis, GP Barwood, G Huang
Science 306, 5700, 2004
76 2004 Frequency measurement of the K Hosaka, SA Webster, A Stannard, BR Walton, HS Margolis, P Gill
Physical Review A—Atomic, Molecular, and Optical Physics 79 (3), 033403, 2009
74 2009 Roadmap towards the redefinition of the second N Dimarcq, M Gertsvolf, G Mileti, S Bize, CW Oates, E Peik, D Calonico, ...
Metrologia 61 (1), 012001, 2024
71 2024 
Hugh KleinPrincipal Research Scientist, National Physical Laboratory UKEmail verificata su npl.co.uk
