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H. Klein · SciRah

Researcher profile · Semantic Scholar

H. Klein

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H. Klein — researcher profile on SciRah

h-index: 21
Works: 102
Citations: 1,760

Most-cited papers

Hertz-Level Measurement of the Optical Clock Frequency in a Single 88Sr+ Ion
H. Margolis, G. Barwood, G. Huang, H. Klein +3 more
2004Science284 citations
Semantic Scholar
Quantum physics exploring gravity in the outer solar system: the SAGAS project
P. Wolf, C. Bordé, A. Clairon, L. Duchayne +51 more
2007129 citations Open access
Semantic Scholar
Einstein Gravity Explorer–a medium-class fundamental physics mission
S. Schiller, G. Tino, P. Gill, C. Salomon +34 more
2009105 citations Open access
Semantic Scholar
Observation of an Electric Octupole Transition in a Single Ion
M. Roberts, P. Taylor, G. Barwood, P. Gill +2 more
1997104 citations
Semantic Scholar
Agreement between two 88 Sr + optical clocks to 4 parts in 10 17
G. Barwood, G. Huang, H. Klein, L. A. M. Johnson +4 more
201476 citations
Semantic Scholar
Analysis of thermal radiation in ion traps for optical frequency standards
M. Doležal, P. Balling, P. Nisbet-Jones, S. King +15 more
201568 citations Open access
Semantic Scholar
Absolute frequency measurement of the 674-nm 88 Sr + clock transition using a femtosecond optical frequency comb
H. Margolis, G. Huang, G. Barwood, S. Lea +4 more
200367 citations
Semantic Scholar
Laser cooling of trapped ytterbium ions using a four-level optical-excitation scheme.
A. Bell, Patrick Gill, H. Klein, A. P. Levick +2 more
1991Physical Review A. Atomic, Molecular, and Optical Physics61 citations
Semantic Scholar
Astrodynamical Space Test of Relativity Using Optical Devices I (ASTROD I)—A class-M fundamental physics mission proposal for Cosmic Vision 2015–2025
T. Appourchaux, R. Burston, Yan-Bei Chen, M. Cruise +32 more
200848 citations Open access
Semantic Scholar
Trapped Ion Optical Frequency Standards
P. Gill, G. Barwood, G. Huang, H. Klein +6 more
200348 citations Open access
Semantic Scholar
Measurement of the electric quadrupole moment of the 4d2D5/2 level in 88Sr+.
G. Barwood, H. Margolis, G. Huang, P. Gill +1 more
2004Physical Review Letters47 citations
Semantic Scholar
Optical Clocks in Space
S. Schiller, A. Goerlitz, A. Nevsky, J. Koelemeij +17 more
200642 citations Open access
Semantic Scholar
Observation of the 5s (2)S(1/2)-4d (2)D(5/2) transition in a single laser-cooled trapped Sr(+) ion by using an all-solid-state system of lasers.
G. Barwood, C. Edwards, Patrick Gill, H. Klein +1 more
1993Optics Letters42 citations
Semantic Scholar
Laser cooling of trapped Yb+
H. Klein, A. Bell, G. Barwood, Patrick Gill
199036 citations
Semantic Scholar
Matter wave explorer of gravity (MWXG)
W. Ertmer, C. Schubert, T. Wendrich, M. Gilowski +62 more
200933 citations Open access
Semantic Scholar
The Science of Measurement: A Historical Survey
H. Klein
201131 citations
Semantic Scholar
SUBKILOHERTZ COMPARISON OF THE SINGLE-ION OPTICAL-CLOCK 2S1/2-2D5/2 TRANSITION IN TWO 88SR+TRAPS
G. Barwood, G. Huang, H. Klein, P. Gill +1 more
199929 citations
Semantic Scholar
Polarisation-dependent optical pumping for interrogation of a magnetic-field-independent “clock” transition in laser-cooled trapped 87Sr+
M. Boshier, G. Barwood, G. Huang, H. Klein
200028 citations
Semantic Scholar
Development of optical frequency standards based upon the 2 S1/2-2D5/2 transition in 88 Sr+ and 87Sr+
G. Barwood, K. Gao, P. Gill, Gui-Long Huang +1 more
2000IEEE Transactions on Instrumentation and Measurement28 citations
Semantic Scholar
Sub-kHz clock transition linewidths in a cold trapped 88Sr+ ion in low magnetic fields using 1092-nm polarisation switching
G. Barwood, P. Gill, G. Huang, H. Klein +1 more
199825 citations
Semantic Scholar
Laser-cooled ytterbium-ion microwave frequency standard
S. Mulholland, H. Klein, G. Barwood, S. Donnellan +5 more
2018Applied physics B24 citations Open access
Semantic Scholar
Automatic laser control for a 88Sr+ optical frequency standard
G. Barwood, Patrick Gill, G. Huang, H. Klein
201221 citations
Semantic Scholar
Clearly resolved secular sidebands on the /sup 2/S/sub 1/2/-/sup 2/D/sub 5/2/ 674-nm clock transition in a single trapped Sr/sup +/ ion
G. Barwood, P. Gill, H. Klein, W. Rowley
199721 citations
Semantic Scholar
Compact laser system for a laser-cooled ytterbium ion microwave frequency standard.
S. Mulholland, H. Klein, G. Barwood, S. Donnellan +5 more
2018Review of Scientific Instruments20 citations Open access
Semantic Scholar
Observation of a Sub-10-Hz Linewidth $^{88}\hbox{Sr}^{+ \ \ 2}\hbox{S}_{1/2}$–$^{2}\hbox{D}_{5/2}$ Clock Transition at 674 nm
G. Barwood, P. Gill, Gui-Long Huang, H. Klein
2007IEEE Transactions on Instrumentation and Measurement20 citations
Semantic Scholar
Measurement of the 2S1/2-2D5/2 411-nm interval in laser-cooled trapped 172Yb+ ions.
Patrick Gill, H. Klein, A. P. Levick, M. Roberts +2 more
1995Physical Review A. Atomic, Molecular, and Optical Physics18 citations
Semantic Scholar
Optical Atomic Clocks for Space
P. Gill, H. Margolis, A. Curtis, H. Klein +3 more
200817 citations
Semantic Scholar
Precision Measurement of the
A. Bell, P. Gill, H. Klein, A. Levick +1 more
199216 citations
Semantic Scholar
Finestructure transitions in doubly excited three-electron Mg9+
E. Träbert, H. Hellmann, P. H. Heckmann, S. Bashkin +2 more
198216 citations
Semantic Scholar
GAUGE: the GrAnd Unification and Gravity Explorer
G. Amelino-Camelia, K. Aplin, M. Arndt, John D. Barrow +40 more
200914 citations Open access
Semantic Scholar
The NPL Rydberg Constant Experiment
J. Flowers, P. Baird, Lamine Bougueroua, H. Klein +1 more
2007IEEE Transactions on Instrumentation and Measurement12 citations
Semantic Scholar
Precision interferometric frequency measurement of the 674 nm /sup 2/S/sub 1/2/-/sup 2/D/sub 5/2/ transition in a single cold Sr/sup +/ ion
G. Barwood, C. Edwards, Patrick Gill, G. Huang +2 more
1994Proceedings of Conference on Precision Electromagnetic Measurements Digest12 citations
Semantic Scholar
Studies of laser-cooled trapped Yb/sup +/
H. Klein, A. Bell, G. Barwood, P. Gill +1 more
199112 citations
Semantic Scholar
A sideband-injection locked extended cavity diode laser for interrogating cold trapped Strontium ions
R. B. M. Clarke, E. Riis, G. Barwood, P. Gill +2 more
199811 citations
Semantic Scholar
Clearly resolved secular sidebands on the 2S1/2-2D5/2 674-nm clock transition in a single trapped Sr+ion
G. Barwood, P. Gill, H. Klein, W. Rowley
199711 citations
Semantic Scholar
Beam-foil measurements of the 1s2s3S1-1s2p3P2,1,0 transitions in helium-like F7+, Mg10+ and Al11+
H. Klein, F. Moscatelli, E. G. Myers, E. Pinnington +2 more
198511 citations
Semantic Scholar
Frequency noise processes in a strontium ion optical clock
G. Barwood, G. Huang, S. King, H. Klein +1 more
201510 citations Open access
Semantic Scholar
Observation of the hyperfine structure of the S-2(1/2)-D-2(5/2) transition in Sr-87(+)
G. Barwood, K. Gao, P. Gill, G. Huang +1 more
20039 citations
Semantic Scholar
Development of diode and fiber laser sources for a Sr+ trapped-ion optical frequency standard
G. Barwood, C. Edwards, P. Gill, H. Klein +1 more
1993Other Conferences9 citations
Semantic Scholar
The SAGAS Project
P. Wolf, C. Bordé, A. Clairon, L. Duchayne +52 more
20088 citations
Semantic Scholar
Hydrogenic systems, frequency standards and fundamental constants
J. Flowers, H. Klein, H. Margolis
20048 citations
Semantic Scholar
Lamb shift measurements in high Z hydrogenic ions
A. McClelland, J. Brown, B. Duval, E. Finch +5 more
19858 citations
Semantic Scholar
Studies of 1s2s 3S-1s2p 3P transitions in helium-like Ne8+ recoil ions using photographic spectroscopy
J. Brown, C. Band, E. Finch, R. A. Holt +7 more
19858 citations
Semantic Scholar
Hydrogenic systems for calculable frequency standards: status and options.
J. Flowers, H. Klein, D. Knight, H. Margolis
20017 citations
Semantic Scholar
Studies of trapped strontium ions in low magnetic fields
G. Barwood, Patrick Gill, Gui-Long Huang, H. Klein +1 more
19957 citations
Semantic Scholar
Laser-cooling effects in few-ion clouds of Yb+
C. Edwards, Patrick Gill, H. Klein, A. Levick +1 more
19947 citations
Semantic Scholar
Laser cooling and probing of a trapped strontium ion using all-solid-state lasers.
G. Barwood, C. Edwards, P. Gill, H. Klein +1 more
19937 citations
Semantic Scholar
AN OPTICAL CLOCK BASED ON A SINGLE TRAPPED 88Sr+ ION
H. Margolis, G. Barwood, G. Huang, H. Klein +5 more
20095 citations
Semantic Scholar
A Portable Microwave Clock Using Laser-Cooled Trapped 171Yb+Ions
S. Mulholland, S. Donnellan, G. Barwood, D. Gentle +6 more
20182018 IEEE International Frequency Control Symposium (IFCS)4 citations
Semantic Scholar
Trapped Ion Optical Clocks at NPL
H. Margolis, G. Barwood, K. Hosaka, G. Huang +6 more
20064 citations
Semantic Scholar

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G. Huang×18
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