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Number of items at this level: 287.

A

Abbas, F; Allan, D W*; Ashby, N*; Hodge, C; Holland, J*; Jedamzik, D*; Langham, C D; Maleki, L*; Trowles, T* (1997) A novel concept for the direct intercomparison of the Allan Variance of frequency standards at the 10-18 level with application to metrology, global communication and navigation. In: Proc. 11th European Frequency and Time forum, 1997, Neuchatel, Switzerland.

Alexander, M J (1996) Experience of correlating measurements in the frequency range 30MHz to 1GHz. IEE Colloq. Dig., 1996/0. 7/1-6.

Amelino-Camelia, G*; Aplin, K*; Arndt, M*; Barrow, J D*; Bingham, R J*; Borde, C*; Bouyer, P*; Caldwell, M*; Cruise, A M*; Damour, T*; D'Arrigo, P*; Dittus, H*; Ertmer, W*; Foulon, B*; Gill, P; Hammond, G D*; Hough, J*; Jentsch, C*; Johann, U*; Jetzer, P*; Klein, H A; Lambrecht, A*; Lamine, B*; Lammerzahl, C*; Lockerbie, N*; Loeffler, F*; Mendonca, J T*; Mester, J*; Ni, W T*; Pegrum, C*; Peters, A*; Rasel, E*; Reynaud, S*; Shaul, D*; Sumner, T J*; Theil, S*; Torrie, C*; Touboul, P*; Trenkel, C*; Vitale, S*; Vodel, W*; Wang, C*; Ward, H*; Woodgate, A* (2009) GAUGE: the GrAnd Unification and Gravity Explorer. Exp. Astron., 23 (2). pp. 549-572.

Amos, B*; Gill, P (1995) Optical tweezers. Meas. Sci. Technol., 6. p. 248.

Appourchaux, T*; Burston, R*; Chen, Y B*; Cruise, M*; Dittus, H*; Foulon, B*; Gill, P; Gizon, L*; Klein, H A; Klioner, S*; Kopeikin, S*; Kruger, H*; Lammerzahl, C*; Lobo, A*; Luo, X L*; Margolis, H S; Ni, W T*; Paton, A P*; Peng, Q H*; Peters, A*; Rasel, E*; Rudiger, A*; Samain, E*; Selig, H*; Shaul, D*; Sumner, T*; Theil, S*; Touboul, P*; Turyshev, S*; Wang, H T*; Wang, L*; Wen, L Q*; Wicht, A*; Wu, J*; Zhang, X M*; Zhao, C* (2009) Astrodynamical Space Test of Relativity Using Optical Devices I (ASTROD I)-A class-M fundamental physics mission proposal for Cosmic Vision 2015-2025. Exp. Astron., 23 (2). pp. 491-527.

Awan, S A; Kibble, B P; Robinson, I A; Giblin, S P (2000) A new four terminal-pair bridge for impedance measurements at frequencies up to 1 MHz. In: Conference on Precision Electromagnetic Measurements (CPEM) 2000, 14-19 May 2000, Sydney, Australia.

B

Barwood, G P; Edwards, C S; Gill, P; Huang, G; Klein, H A; Rowley, W R C (1995) Precision interferometric frequency measurement of the 674nm 2S1/2 - 2D5/2 transition in a single cold Sr+ ion. IEEE Trans. Instrum. Meas., 44 (2). pp. 117-119.

Barwood, G P; Edwards, C S; Gill, P; Klein, H A; Rowley, W R C (1993) Development of diode and fibre laser sources for a Sr+ trapped ion optical frequency standard. Proc. SPIE - Int. Soc. Opt. Eng., 1837. pp. 271-7.

Barwood, G P; Edwards, C S; Gill, P; Klein, H A; Rowley, W R C (1994) Laser cooling and probing of a trapped strontium ion using all-solid-state lasers. AIP Conf. Proc., 290. pp. 35-37.

Barwood, G P; Edwards, C S; Gill, P; Klein, H A; Rowley, W R C (1993) Observation of the 5s2S1/2-4d2D5/2 transition in a single laser-cooled trapped Sr+ ion using an all-solid-state system of lasers. Opt. Lett., 18 (9). pp. 732-734.

Barwood, G P; Gao, K; Gill, P; Huang, G; Klein, H A (2001) Development of an ultra-narrow diode laser for interrogating the 674 nm 2S1/2 - 2D5/2 'clock' transition in Sr+. Proc. SPIE - Int. Soc. Opt. Eng., 4269. pp. 134-142.

Barwood, G P; Gao, K; Gill, P; Huang, G; Klein, H A (2000) Development of optical frequency standards based upon the 2S1/2 - 2D5/2 transition in 88Sr+. In: Conference on Precision Electromagnetic Measurements (CPEM) 2000, 14-19 May 2000, Sydney, Australia.

Barwood, G P; Gao, K*; Gill, P; Huang, G; Klein, H A (2001) Development of an ultra-narrow diode laser for interrogating the 674 nm 2S1/2-2D5/2 "clock" transition in Sr+. Proc. SPIE - Int. Soc. Opt. Eng., 4269. pp. 134-142.

Barwood, G P; Gao, K*; Gill, P; Huang, G; Klein, H A (2001) Development of optical frequency standards based upon the 2S1/2-2D5/2 transition in 88Sr+ and 87Sr+. IEEE Trans. Instrum. Meas., 50 (2). pp. 543-547.

Barwood, G P; Gao, K*; Gill, P; Huang, G; Klein, H A (2003) Observation of the hyperfine structure of the 2S1/2 - 2D5/2 674 nm optical clock transition in 87Sr+. Phys. Rev. A, At. Mol. Opt. Phys., 67. 013402

Barwood, G P; Gill, P (2003) Laser stabilisation for precision measurements. In: Handbook of Laser Technology and Applications. IOP, Bristol, UK, pp. 1393-1414.

Barwood, G P; Gill, P; Huang, G; Klein, H A (2012) Automatic laser control for a 88Sr+ optical frequency standard. Meas. Sci. Technol., 23 (5). 055201

Barwood, G P; Gill, P; Huang, G; Klein, H A (2012) Characterization of a 88Sr+ optical frequency standard at 445 THz by two-trap comparison. In: 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012), 1-6 July 2012, Washington DC, USA.

Barwood, G P; Gill, P; Huang, G; Klein, H A (1999) Development of an optical frequency standard based upon the 2S1/2-2D5/2 transition in Sr+. In: 13th EFTF/ 1999 IEEE FCS Conference Proceedings, 1999.

Barwood, G P; Gill, P; Huang, G; Klein, H A (2007) Observation of a sub-10-Hz linewidth 88Sr+ 2S1/2-2D5/2 clock transition at 674 nm. IEEE Trans. Instrum. Meas., 56 (2). pp. 226-229.

Barwood, G P; Gill, P; Huang, G; Klein, H A (2002) Stability and reproducibility of an optical frequency standard based upon the 2S1/2 - 2D5/2 transition in 88Sr+. In: Proceedings of the 6th Symposium on Frequency Standards and Metrology, 9-14 September 2001, University of St Andrews, Fife, Scotland, UK.

Barwood, G P; Gill, P; Huang, G; Klein, H A (1995) Studies of trapped strontium ions in low magnetic fields. Appl. Phys. B, Laser Opt., 61 (4). p. 385.

Barwood, G P; Gill, P; Huang, G; Klein, H A; Rowley, W R C (1997) Single Sr+ Ion spectroscopy with a sub-kHz linewidth diode probe laser. In: 13th International Conference on Laser Spectroscopy, June 1997, Hangzhou, China.

Barwood, G P; Gill, P; Klein, H A; Huang, G; Walton, B R (2006) An optical frequency standard based on a transition in a single trapped strontium ion. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Barwood, G P; Gill, P; Klein, H A; Huang, G; Walton, B R (2006) An optical frequency standard based on a transition in a single trapped strontium ion. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Barwood, G P; Gill, P; Klein, H A; Rowley, W R C (1997) Clearly resolved secular sidebands on the 2S1/2-2D5/2 674nm clock transition in a single trapped Sr+ ion and prospects for trapped ion frequency standards. IEEE Trans. Instrum. Meas., 46 (2). pp. 133-136.

Barwood, G P; Gill, P; Klein, H A; Rowley, W R C (1996) Observation of fluorescence from cold trapped Sr ions in a near-zero magnetic field and 674nm probe laser development. In: Proc. Fifth symposium of Frequency Standards and Metrology, 1996, Singapore.

Barwood, G P; Gill, P; Klein, H A; Rowley, W R C (1998) Sub-kHz "clock" transition linewidths in a cold trapped 88Sr+ ion in low magnetic fields using 1092-nm polarisation switching. Opt. Commun., 151 (1-3). pp. 50-5.

Barwood, G P; Gill, P; Rowley, W R C (1998) High accuracy length metrology using multiple-stage swept-frequency interferometry with laser diodes. Meas. Sci. Technol., 9 (7). pp. 1036-41.

Barwood, G P; Huang, G; King, S A; Klein, H A; Gill, P (2015) Frequency noise processes in a strontium ion optical clock. J. Phys. B, At. Mol. Opt. Phys., 48 (3). 035401

Barwood, G P; Huang, G; King, S A; Klein, H A; Gill, P (2016) Trapped-ion 88Sr+ optical clock systematic uncertainties - AC Stark shift determination. J. Phys.: Conf. Ser., 723. 012024

Barwood, G P; Huang, G; Klein, H A; Gill, P (2015) Automatic minimisation of micromotion in a 88Sr+ optical clock. Meas. Sci. Technol., 26 (7). 075203

Barwood, G P; Huang, G; Klein, H A; Gill, P; Clarke, R B M* (1999) Sub-kHz comparison of the single-ion optical-clock 2S1/2 - 2D5/2 transition in two 88Sr+ traps. Phys. Rev. A, At. Mol. Opt. Phys., 59. R3178-81

Barwood, G P; Huang, G; Klein, H A; Johnson, L A M; King, S A; Margolis, H S; Szymaniec, K; Gill, P (2014) Agreement between two 88Sr+ optical clocks to 4 parts in 10^17. Phys. Rev. A, 89 (5). 050501

Barwood, G P; Huang, G; Klein, H A; Margolis, H S; Lea, S N; Szymaniec, K; Chalupczak, W; Gill, P (2006) An optical frequency standard based on a transition in a single trapped strontium ion. In: Optical Frequency Combs for Space International Workshop, 2-3 October 2006, NPL, UK.

Bauch, A*; Achkar, J*; Bize, S*; Calonico, D*; Dach, R*; Hlavac, R*; Lorini, L*; Parker, T*; Petit, G*; Piester, D; Szymaniec, K; Uhrich, P* (2006) Comparison between frequency standards in Europe and the USA at the 10-15 uncertainty level. Metrologia, 43 (1). pp. 109-120.

Bevington, P.; Gartman, R.; Chalupczak, W.; Deans, C.; Marmugi, L.; Renzoni, F. (2018) Non-destructive structural imaging of steelwork with atomic magnetometers. Applied Physics Letters, 113 (6). 063503 ISSN 0003-6951

Blythe, P J; Webster, S A; Hosaka, K; Gill, P (2003) Systematic frequency shifts of the 467 nm electric octupole transition in 171Yb+. J. Phys. B, At. Mol. Phys., 36 (5). pp. 981-989.

Blythe, P J; Webster, S A; Margolis, H S; Lea, S N; Huang, G; Choi, S-K; Rowley, W R C; Gill, P; Windeler, R S* (2003) Sub-kilohertz absolute frequency measurement of the 467 nm electric octupole transition in 171Yb+. Phys. Rev. A, At. Mol. Opt. Phys., 67 (2). 020501

Blythe, P J; Webster, S A; Margolis, H S; Lea, S N; Huang, G; Choi, S-K*; Rowley, W R C; Gill, P; Windeler, R S* (2003) Sub-kilohertz absolute frequency measurements of the 467 nm electric octuple transition in 171Yb+. Phys. Rev. A, At. Mol. Opt. Phys., 67. 020501

Bongs, K*; Boyer, V*; Cruise, M A*; Freise, A*; Holynski, M*; Hughes, J*; Kaushik, A*; Lien, Y H*; Niggebaum, A*; Perea-Ortiz, M*; Petroz, P*; Plant, S*; Singh, Y*; Stabrawa, A*; Paul, D J*; Sorel, M*; Cumming, D R S*; Marsh, J H*; Bowtell, R W*; Bason, M G*; Beardsley, R P*; Campion, R P*; Brookes, M J*; Fernholz, T*; Fromhold, T M*; Hackermuller, L*; Kruger, P*; Li, X*; Maclean, J O*; Mellor, C J*; Novikov, S V*; Orucevic, F*; Rushforth, A W*; Welch, N*; Benson, T M*; Wildman, R D*; Greegarde, T*; Himsworth, M*; Ruostekoski, J*; Smith, P*; Tropper, A*; Griffin, P F*; Arnold, A S*; Riis, E*; Hastie, J E*; Paboeuf, D*; Parrotta, D C*; Garraway, B M*; Pasquazi, A*; Peccianti, M*; Hensinger, W*; Potter, E*; Nizamani, A H*; Bostock, H*; Blanco, A R*; Sinuco-Leon, G*; Hill, I R; Williams, R A; Gill, P; Hempler, N*; Malcolm, G P A*; Cross, T*; Kock, B O*; Maddox, S*; John, P* (2016) The UK national quantum technology hub in sensors and metrology. Proc. SPIE - Int. Soc. Opt. Eng., 9900. 990009

Bongs, K*; Singh, Y*; Smith, L*; He, W*; Kock, O*; Swierad, D*; Hughes, J*; Schiller, S*; Alighanbari, S*; Origlia, S*; Vogt, S*; Sterr, O*; Lisdat, C*; Le Targat, R*; Lodewyck, J*; Holleville, D*; Venon, B*; Bize, S*; Barwood, G P; Gill, P; Hill, I R*; Ovchinnikov, Y B; Poli, N*; Tino, G M*; Stuhler, J*; Kaenders, W* (2015) Development of a strontium optical lattice clock for the SOC mission on the ISS. Comptes Rendus Physique, 16 (5). pp. 553-564.

Bowden, W; Hill, I R; Baird, P E G*; Gill, P (2017) Note: a high-performance, low-cost laser shutter using a piezoelectric cantilever actuator. Rev. Sci. Instrum., 88 (1). 016102

Burroughs Jr, C J*; Benz, S P*; Dresselhaus, P D*; Waltrip, B C*; Nelson, T L*; Yonuk Chong*,, ; Williams, J M; Henderson, D; Patel, P; Palafox, L*; Beht, R* (2007) Development of a 60 Hz power standard using SNS programmable Josephson voltage standards. IEEE Trans. Instrum. Meas., 56 (2). pp. 289-294.

Burt, E*; Gill, P (2012) Introduction to the special issue on the 2011 joint IEEE International Frequency Control Symposium and European Frequency and Time Forum. IEEE Trans. Ultrason. Feroelectr. Freq. Control, 59 (3). pp. 332-333.

C

Chalupczak, W; Godun, R M (2011) Near-resonance spin noise spectroscopy. Phys. Rev. A, 83 (3). 032512

Chalupczak, W; Godun, R M; Anielski, P*; Wojciechowski, A*; Pustelny, S* (2012) Enhancement of optically pumped spin orientation via spin exchange collisions at low vapour density. Phys. Rev. A, 85 (4). 043402

Chalupczak, W; Josephs-Franks, P W (2015) Alkali-metal spin maser. Phys. Rev. Lett., 115 (3). 033004

Chalupczak, W; Josephs-Franks, P W; Patton, B*; Pustelny, S* (2014) Spin-exchange narrowing of the atomic ground-state resonances. Phys. Rev. A, 90 (4). 042509

Chalupczak, W; Wojciechowski, A*; Pustelny, S*; Gawlik, W* (2010) Competition between the tensor light shift and nonlinear Zeeman effect. Phys. Rev. A, 82 (2). 023417

Chambers, J P (1995) Improved techniques for monitoring the phase of 1.F. standard- frequency transmissions. In: BEMC 95 7th British Electromagnetic Measurements Conference Digest, 6 - 9 November 1995, Malvern.

Christodoulia, N; Lea, S N; Marra, G; Margolis, H S; Gill, P; Leburn, C G*; Fusari, F*; Brown, C T A* (2007) Mode-locked lasers for remote intercomparison of frequency standards over optical fibre networks. In: OFMC 2007, 15-17 October 2007, NPL, UK.

Clarke, J D; Davis, J A; Laverty, J R (1999) The BIPM/IGS pilot project: a model for high accuracy time dissemination in the future. In: BEMC 99 - 9th International Conference on Electromagnetic Measurement, November 1999, Brighton, UK.

Clarke, J D; Davis, J A; Lowe, A J (1999) Characterisation of NPL's geodetic GPS time transfer receivers. In: Proc. 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium, 13-16 April 1999, Besancon, France.

Clarke, R B W*; Riis, E*; Barwood, G P; Gill, P; Huang, G; Klein, H A (1998) A sideband-injection locked extended cavity diode laser for interrogating cold trapped strontium ions. Opt. Commun., 158 (1-6). pp. 36-40.

Collett, M A; Matthews, C E; Esward, T J; Whibberley, P B (2010) Measurement and simulation of clock errors from resource-constrained embedded systems. Meas. Sci. Technol., 21 (7). 075203

Cornish, S L*; Lui, Yi-Wei*; Lane, I C*; Baird, P E G*; Barwood, G P; Taylor, P; Rowley, W R C (2000) Interferometric measurements of 127I2 reference frequencies for 1S-2S spectroscopy in muonium, hydrogen and deuterium. J. Opt. Soc. Am. B, 17 (1). pp. 6-10.

Curtis, E A; Barwood, G P; Huang, G; Edwards, C S; Gieseking, B; Brewer, P J (2017) Ultra-high-finesse NICE-OHMS spectroscopy at 1532 nm for calibrated online ammonia detection. J. Opt. Soc. Am. B, 34 (5). pp. 950-958.

D

Davis, J A (1996) Delay stability measurements made within a two-way time transfer system using satellite ranging from several locations. In: 10th European Frequency and Time Forum, 5 - 7 March 1996, Brighton, UK.

Davis, J A; Bhattarai, S*; Ziebart, M* (2013) Development of a Kalman filter based GPS satellite clock time-offset prediction algorithm. In: 2012 European Frequency and Time Forum (EFTF 2012), 23-27 April 2012, Gothenburg, Sweden.

Davis, J A; Clarke, J D (2001) Time and frequency transfer using GPS common-view. In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Davis, J A; Furlong, J M (1997) Report on the study to determine the suitability of GPS disciplined oscillators as time and frequency standards traceable to the UK national time scale UTC (NPL). NPL Report. CTM 1

Davis, J A; Furlong, J M (1997) A study examining the possibility of obtaining traceability to UK National Standards of Time and Frequency using GPS disciplined oscillators. In: Proc. 29th Annual Precise Time and Time Interval Systems and Applications meeting, December 1997, Long Beach, California, USA.

Davis, J A; Furlong, J M; Clarke, J D (1998) The performance characteristics of a two-way time transfer earth station incorporating a new satre modem. In: Proceedings of the 12th European Frequency and Time Forum (EFTF), March 1998, Warsaw.

Davis, J A; Greenhall, C A*; Stacey, P W (2005) A Kalman filter clock algorithm for use in the presence of flicker frequency modulation noise. Metrologia, 42 (1-2). pp. 1-10.

Davis, J A; Lewandowski, W*; De Young, J A*; Kirchner, D*; Hetzel, P*; Parker, A; Klepczynski, W*; de Jong, G*; Söring, A*; Baumont, F*; Bartle, K A; Ressler, H*; Robnik, R*; Veenstra, L* (1996) Comparison of two-way satellite time and frequency transfer and GPS common-view time transfer during the intelsat field trial. In: 10th European Frequency and Time Forum, 5-7 March 1996, Brighton, UK.

Davis, J A; Pearce, P R (1993) Characterisation of the signal delays in a ground station designed for satellite two way time transfer. In: 7th European Frequency and Time Forum, March 1993, Neuchatel, Switzerland.

Davis, J A; Pearce, P R (1995) Time dissemination in the United Kingdom using signals from geostationary television satellites. In: BEMC '95 - 7th British Electromagnetic Measurements Conference Digest, November 1995, Malvern, UK.

Davis, J A; Pearce, P R; Bartle, K A (1995) Sources of error in two-way satellite time and frequency transfers. In: BEMC 95 - 7th British Electromagnetic Measurements Conference Digest, November 1995, Malvern, UK.

Davis, J A; Rougeaux, B (1999) The development of a computer model of a GPS disciplined oscillator to aid error budget determination. In: Proc. 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium, 13-16 April 1999, Besancon, France.

Davis, J A; Shemar, S L; Whibberley, P B (2011) A Kalman filter UTC(k) prediction and steering algorithm. In: 2011 Joint Conference of the IEEE International Frequency Control Symposium/ European Frequency and Time Forum Proceedings, 1-5 May 2011, San Francisco, USA.

Davis, J A; Steele, J McA * (1997) A Caesium flying clock experiment between NPL and USNO. In: Proc. EFTF 97, European Frequency and Time Forum, March 1997, Neuchatel, Switzerland.

Defraigne, P*; Sesia, I*; Cerretto, G*; Signorile, G*; Calonico, D*; Cantoni, E*; De Stefano, C*; Formichella, V*; Costa, R*; Cernigliaro, A*; Fiasca, F*; Perucca, A*; Samperi, A*; Cerabolini, P*; Rotiroti, L*; Simonetti, A*; Colombo, A*; Dhiri, V*; Giulianini, E*; Defraigne, P*; Ozdemir, N*; Veiga, M T*; Suarez, T*; Gandara, M*; Puech, P L*; Hamoniaux, V*; Mangiantini, M*; Varriale, E*; Morante, Q*; Wallin, A E*; Widomski, T*; Kaczmarek, J*; Uzycki, J*; Borgulski, K*; Olbrysz, P*; Kowalski, J*; Galleani, L*; Hindley, D (2015) The Horizon 2020 DEMETRA project: DEMonstrator of EGNSS services based on time reference architecture. In: 2nd IEEE International Workshop on Metrology for Aerospace (MetroAeroSpace), 4-5 June 2015, Benevento, Italy.

Defraigne, P*; Tavella, P*; Sesia, I*; Cerretto, G*; Signorile, G*; Calonico, D*; Costa, R*; Clivati, C*; Cantoni, E*; De Stefano, C*; Frittelli, M*; Formichella, V*; Biserni, E*; Leone, V*; Zarroli, E*; Sormani, D*; Gandara, M*; Hamoniaux, V*; Varriale, E*; Morante, Q*; Widomski, T*; Kaczmarek, J*; Uzycki, J*; Borgulski, K*; Olbrysz, P*; Kowalski, J*; Cernigiliaro, A*; Fiasca, F*; Perucca, A*; Dhiri, V*; Veiga, M T*; Suarez, T*; Mangiantini, M*; Wallin, A E*; Galleani, L*; Hindley, D (2017) Demonstrator of time services based on European GNSS signals: the H2020 DEMETRA project. In: Proceedings of the 48th Annual Precise Time and Time Interval Systems and Applications Meeting, 30-31 January 2017, Monterey, CA, USA.

Del Bino, L; Silver, J M; Stebbings, S L; Del'Haye, P (2017) Symmetry breaking of counter-propagating light in an a nonlinear resonator. Sci. Rep., 7. p. 43142.

Del'Haye, P; Coillet, A*; Fortier, T*; Beha, K*; Cole, D C*; Yang, K Y*; Lee, H*; Vahala, K J*; Papp, S B*; Diddams, S A* (2016) Phase-coherent microwave-to optical link with a self-referenced microcomb. Nature Photonics, 10 (8). pp. 516-520.

Delva, P*; Lodewyck, J*; Bilicki, S*; Bookjans, E*; Vallet, G*; Le Target, R*; Pottie, P E*; Guerlin, C*; Meynadier, F*; Le Poncin-Lafitte, C*; Lopez, O*; Amy-Klein, A*; Lee, W K*; Quintin, N*; Lisdat, C*; Al-Masoudi, A*; Dorscher, S*; Grebing, C*; Grosche, G*; Kuhl, A*; Raupach, S*; Sterr, U*; Hill, I R; Hobson, R; Bowden, W; Kronjager, J; Marra, G; Rolland, A; Baynes, F N; Margolis, H S; Gill, P (2017) Test of special relativity using a fiber network of optical clocks. Phys. Rev. Lett., 118 (22). 221102

Dolezal, M*; Balling, P*; Nisbet-Jones, P B R; King, S A; Jones, J M; Klein, H A; Gill, P; Lindvall, T*; Wallin, A E*; Merimaa, M*; Tamm, C*; Sanner, C*; Huntemann, N*; Scharnhorst, N*; Leroux, I D*; Schmidt, P O*; Burgermeister, T*; Mehlstaubler, T E*; Peik, E* (2015) Analysis of thermal radiation in ion traps for optical frequency standards. Metrologia, 52 (6). pp. 842-856.

E

Edwards, C S; Barwood, G P; Bell, S A; Gill, P; Stevens, M (2001) A tunable diode laser absorption spectrometer for moisture measurements in the low ppbv range. Meas. Sci. Technol., 12. pp. 1214-8.

Edwards, C S; Barwood, G P; Gill, P; Rodriguez-Llorente, F*; Rowley, W R C (1996) Frequency-stabilised diode lasers in the visible region using Doppler-free iodine spectra. Opt. Commun.,, 132. pp. 94-100.

Edwards, C S; Barwood, G P; Gill, P; Rodriguez-Llorente, F*; Rowley, W R C (1996) Stability measurement of 637nm extended cavity diode lasers stabilised to Doppler-free iodine spectra. In: Proc. Fifth symposium on Frequency Standards and Metrology, 1996, Singapore.

Edwards, C S; Barwood, G P; Gill, P; Rowley, W R C (1999) A 633nm iodine-stabilised diode laser frequency standard. Metrologia, 36 (1). pp. 41-45.

Edwards, C S; Barwood, G P; Gill, P; Rowley, W R C (1995) Absolute frequency stabilisation of a 637nm laser diode using Doppler-free I2 spectra. Electron. Lett., 31 (10). pp. 796-797.

Edwards, C S; Barwood, G P; Gill, P; Rowley, W R C (2002) Development of a 778 nm rubidium two-photon diode laser frequency standard. In: Proceedings of the 6th Symposium on Frequency Standards and Metrology, 9-14 September 2001, University of St Andrews, Fife, Scotland, UK.

Edwards, C S; Barwood, G P; Gill, P; Schirmer, B*; Venzke, H*; Melling, A* (1999) Development of an IR tunable diode laser absorption spectrometer for trace humidity measurements at atmospheric pressure. Appl. Opt., 38 (21). pp. 4699-4704.

Edwards, C S; Barwood, G P; Patel, P D; Gill, P; Benabid, F*; Wheeler, N V*; Tandoi, G*; Ironside, C N* (2012) Development and evaluation of compact acetylene frequency standards. In: 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012), 1-6 July 2012, Washington DC, USA.

Edwards, C S; Gill, P; Klein, H A; Levick, A P; Rowley, W R C (1994) Laser-cooling effects in few-ion clouds of Yb/sup +/. Appl. Phys. B, Laser and Optics, B59 (2). 179 - 185

Edwards, C S; Gill, P; Klein, H A; Levick, A P; Rowley, W R C (1994) Precision measurement of the 2S1/2(2 sps-1/2 sbs) - 2D5/2(2 sps-5/2 sbs) 411 nm transition in laser-cooled 172Yb+ (172 & + in sps) ions. In: 5th European Quantum Electronics Conference, Technical Digest, 53, 1994, Amsterdam, Holland.

Edwards, C S; Gill, P; Taylor, P (2000) Experimental verification of a swept-frequency laser interferometer for distance measurement. NPL Report. CBTLM 4

Edwards, C S; Margolis, H S; Barwood, G P; Lea, S N; Gill, P; Rowley, W R C (2006) Development of a pair of 1.5 micron NICE ohms frequency standards. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Edwards, C S; Patel, P D; Barwood, G P; Gill, P (2009) Development of a compact 1.55 µm acetylene standard using a widely tunable DSDBR diode laser. In: 9th Optical Fibre Measurement Conference (OFMC) Digest, 16-18 September 2009, NPL, Teddington,UK.

English, E L; Whibberley, P B; Langham, C; Hicks, D; Lobo, L (2017) Update on the NPL Time (R) service and future developments with white rabbit. In: Proceedings of the 48th Annual Precise Time and Time Interval Systems and Applications Meeting, 30-31 January 2017, Monterey, CA, USA.

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