Publications
Optical Frequency Standards & Metrology - Publications
- Limits to time variation of fundamental constants from comparisons of atomic frequency standards
S.N. Lea
Rep. Prog. Phys. 70, 1473-1523 (2007) - A Zeeman slower based on magnetic dipoles
Y. B. Ovchinnikov
Optics Communications 276, 261-267 (2007) - Vibration insensitive optical cavity
S. A. Webster, M. Oxborrow and P. Gill
Phys. Rev. A 75, 011801 (2007) - Moving metrology
H. S. Margolis
Nature Photonics 1, 258-259 (2007) - Observation of a sub-10-Hz linewidth 88Sr+ 2S1/2-2D5/2 clock transition at 674 nm
G. P. Barwood, P. Gill, G. Huang and H. A. Klein
IEEE Transactions on Instrumentation and Measurement 56, 226-229 (2007) - The NPL Rydberg constant experiment
J. L. Flowers, P. E. G. Baird, L. Bougueroua, H. A. Klein and H. S. Margolis
IEEE Transactions on Instrumentation and Measurement 56, 331-335 (2007) - Optical clocks in space
S. Schiller, A. Görlitz, A. Nevsky, J. C. J. Koelemeij, A. Wicht, P. Gill, H. A. Klein, H. S. Margolis, G. Mileti, U. Sterr, F. Riehle, E. Peik, Chr. Tamm, W. Ertmer, E. Rasel, V. Klein, C. Salomon, G. M. Tino, P. Lemonde, R. Holzwarth and T. W. Hänsch
Nuclear Physics B 166, 300-302 (2007) - Absolute frequency measurement of the R(12) 26-0 and R(106) 28-0 transitions in 127I2 at λ=543 nm
L. S. Ma, S. Picard, M. Zucco, J.-M. Chartier, L. Robertsson, P. Balling, P. Krin, J. Qian, Z. Liu, C. Shi, M. Viliesid Alonzo, G. Xu, S. L. Tan, K. Nyholm, J. Henningsen, J. Hald, W. R. C. Rowley, G. P. Barwood and R. Windeler
IEEE Transactions on Instrumentation and Measurement 55, 876-880 (2006). - Optical clocks
P. Gill and H. S. Margolis
Physics World, May 2005 - Optical frequency standards
P. Gill
Metrologia 42, S125-S137 (2005) - High-precision frequency measurements of the v1+v3 combination band of 12C2H2 in the 1.5 µm region
C. S. Edwards, G. P. Barwood, H. S. Margolis, P. Gill and W. R. C. Rowley
Journal of Molecular Spectroscopy 234, 143-148 (2005) - Development and absolute frequency measurement of a pair of 778 nm two-photon rubidium standards
C. S. Edwards, G. P. Barwood, H. S. Margolis, P. Gill and W. R. C. Rowley
Metrologia 42, 464-467 (2005) - An optical frequency standard based on the electric octupole transition in 171Yb+
K. Hosaka, S. A. Webster, P. J. Blythe, A. Stannard, D. Beaton, H. S. Margolis, S. N. Lea and P. Gill
IEEE Trans. Instrum. Meas. 54, 759-762 (2005). - High-accuracy frequency atlas of 13C2H2 in the 1.5 µm region
C. S. Edwards, H. S. Margolis, G. P. Barwood, S. N. Lea, P. Gill and W. R. C. Rowley
Applied Physics B 80, 977-983 (2005) - Hertz-level measurement of the optical clock frequency in a single 88Sr+ ion
H. S. Margolis, G. P. Barwood, G. Huang, H. A. Klein, S. N. Lea, K. Szymaniec and P. Gill
Science 306, 1355-1358 (2004) - Measurement of the electric quadrupole moment of the 4d2D5/2 level in 88Sr+
G. P. Barwood, H. S. Margolis, G. Huang, P. Gill and H. A. Klein
Physical Review Letters 93, 133001 (2004) - Absolute frequency measurement of a 1.5 μm acetylene standard by use of a combined frequency chain and femtosecond comb
C. S. Edwards, H. S. Margolis, G. P. Barwood, S. N. Lea, P. Gill, G. Huang and W. R. C. Rowley
Optics Letters 29, 566-568 (2004) - Trapped ion optical frequency standards
P. Gill, G. P. Barwood, G. Huang, H. A. Klein, P. J. Blythe, K. Hosaka, R. C. Thompson, S. A. Webster, S. N. Lea and H. S. Margolis
Physica Scripta T112, 63-67 (2004) - Subhertz-linewidth Nd:YAG laser
S. A. Webster, M. Oxborrow and P. Gill
Optics Letters 29, 1497-1499 (2004) - Optimum measurement strategies for trapped ion optical frequency standards
E. Riis and A. G. Sinclair
J. Phys. B. 37, 4719-4732 (2004) - Hydrogenic systems, frequency standards and fundamental constants
J. L. Flowers, H. A. Klein and H. S. Margolis
Contemporary Physics 45, 123-145 (2004) - Systematic frequency shifts of the 467 nm electric octupole transitions in 171Yb+
P. J. Blythe, S. A. Webster, K. Hosaka and P. Gill
J. Phys. B 36, 981-989 (2003) - Absolute frequency measurement of the 674 nm 88Sr+ clock transition using a femtosecond optical frequency comb
H. S. Margolis, G. Huang, G. P. Barwood, S. N. Lea, H. A. Klein, W. R. C. Rowley, P. Gill and R. S. Windeler
Phys. Rev. A 67, 032501 (2003) - Sub-kilohertz absolute frequency measurement of the 467 nm electric octupole transition in 171Yb+
P. J. Blythe, S. A. Webster, H. S. Margolis, S. N. Lea, G. Huang, S.-K. Choi, W. R. C. Rowley, P. Gill and R. S. Windeler
Phys. Rev. A 67, 020501(R) (2003) - Absolute frequency measurements of 633 nm iodine-stabilised helium-neon lasers
S. N. Lea, W. R. C. Rowley, H. S. Margolis, G. P. Barwood, G. Huang, P. Gill, J.-M. Chartier and R. S. Windeler
Metrologia 40, 84-88 (2003) - Observation of the hyperfine structure of the 2S1/2-2D5/2 transition in 87Sr+
G. P. Barwood, K. Gao, P. Gill, G. Huang and H. A. Klein
Phys. Rev. A. 67, 013402 (2003) - Trapped ion optical frequency standards
P. Gill, G. P. Barwood, H. A. Klein, G. Huang, S. A. Webster, P. J. Blythe, K. Hosaka, S. N. Lea and H. S. Margolis
Measurement Science and Technology 14, 1174-1186 (2003)





