Quantum Detection Publications 1989 - 1999
YBCO - Noble metal resistors for HTS Josephson noise thermometry
D. A. Peden, J. C. Macfarlane, L. Hao, R. P. Reed and J. C. Gallop
Ieee Transactions On Applied Superconductivity, 9, 4408-4411 (1999)
HTS SQUID application as a Quantum Roulette Noise Thermometer
L. Hao, J. C. Gallop, R. P. Reed, D. A. Peden and J. C. Macfarlane
Ieee Transactions On Applied Superconductivity, 9, 2971-2974 (1999)
Fine tuning of high Q HTS shielded resonators using HTS coated SrTiO3 pucks
L. Hao, J. C. Gallop, D. Lacey and L. Davis
Ieee Transactions On Applied Superconductivity, 9, 2870-2873 (1999)
Spatially resolved measurements of HTS microwave surface impedence
L. Hao and J. C. Gallop
Ieee Transactions On Applied Superconductivity, 9, 1944-1947 (1999)
The quantum roulette noise thermometer
L. Hao, J. C. Gallop, J. C. Macfarlane, D. A. Peden and R. P. Reed
Ieee Transactions On Instrumentation and Measurement, 48, 659-662 (1999)
Temperature compensated cryogenic whispering gallery mode resonator for microwave frequency standard applications
L. Hao, N. Klein, J. C. Gallop, W. J. Radcliffe and I. S. Ghosh
Ieee Transactions On Instrumentation and Measurement, 48, 524-527 (1999)
A cryogenic current comparator bridge for resistance measurements at currents of up to 100 A
J. M. Williams and P. Kleinschmidt
Ieee Transactions On Instrumentation and Measurement, 48, 375-378 (1999)
Progress toward a precision measurement of the helion magnetic moment in Bohr magnetons
J. L. Flowers, N. J. Cleaton, P. W. Josephs-Franks and B. W. Petley
Ieee Transactions On Instrumentation and Measurement, 48, 209-211 (1999)
Thrills, skills and sexy physics
S. Giblin
Physics World, 11, 17-17 (1998)
The effects of an air gap on the measurement of the dielectric constant of SrTiO3 at cryogenic temperatures
D. Lacey, J. C. Gallop and L. E. Davis
Measurement Science & Technology, 9, 536-539 (1998)
Raman and XRD characterisation, microstructure and microwave loss in YBCO 123 thin films
A. L. Cowie, L. F. Cohen, G. Gibson, Y. H. Li, J. MacManus-Driscoll and J. C. Gallop
Applied Superconductivity 1997, Vols 1 and 2 - Vol 1: Small Scale and Electronic Applications; Vol 2: Large Scale and Power Applications, 53-56 (1997)
Temperature variation of the microwave power dependence in HTS thin films
L. F. Cohen, A. L. Cowie and J. C. Gallop
Applied Superconductivity 1997, Vols 1 and 2 - Vol 1: Small Scale and Electronic Applications; Vol 2: Large Scale and Power Applications, 33-36 (1997)
Effect of junction noise in a resistive high T-c SQUID noise thermometer
J. Macfarlane, D. Peden, L. Hao, J. Gallop and E. Romans
Applied Superconductivity 1997, Vols 1 and 2 - Vol 1: Small Scale and Electronic Applications; Vol 2: Large Scale and Power Applications, 723-726 (1997)
Non-dissipative noise thermometry measured with an HTS SQUID
L. Hao, J. C. Gallop and R. P. Reed
Applied Superconductivity 1997, Vols 1 and 2 - Vol 1: Small Scale and Electronic Applications; Vol 2: Large Scale and Power Applications, 655-658 (1997)
Microwave dielectric composite puck resonators
F. Abbas, J. C. Gallop and L. Hao
Applied Superconductivity 1997, Vols 1 and 2 - Vol 1: Small Scale and Electronic Applications; Vol 2: Large Scale and Power Applications, 315-318 (1997)
High Q HTS shielded composite puck resonators
L. Hao, J. Gallop and F. Abbas
Applied Superconductivity 1997, Vols 1 and 2 - Vol 1: Small Scale and Electronic Applications; Vol 2: Large Scale and Power Applications, 275-278 (1997)
Modelling the variation of microwave losses induced by DC and RF magnetic fields
J. C. Gallop, A. L. Cowie and L. F. Cohen
Applied Superconductivity 1997, Vols 1 and 2 - Vol 1: Small Scale and Electronic Applications; Vol 2: Large Scale and Power Applications, 65-68 (1997)
The field dependence of the microwave vortex pinning parameters: evidence for collective pinning effects and unconventional frictional damping
I. S. Ghosh, L. F. Cohen and J. C. Gallop
Superconductor Science & Technology, 10, 936-943 (1997)
Estimation of the noise temperature of Y-Ba-Cu-O grain boundary Josephson junctions
L. Hao and J. C. Macfarlane
Physica C-superconductivity and Its Applications, 292, 315-321 (1997)
Louis Essen 1908-1997
B. Petley
Physics World, 10, 55-55 (1997)
HTS/ferroelectric microwave phase shifters
F. Abbas, J. C. Gallop and C. D. Langham
Cryogenics, 37, 681-684 (1997)
A simple resistance network for calibrating resistance bridges
D. R. White, K. Jones, J. M. Williams and I. E. Ramsey
Ieee Transactions On Instrumentation and Measurement, 46, 1068-1074 (1997)
Spatially resolved measurements of HTS microwave surface impedance
J. Gallop, L. Hao and F. Abbas
Physica C, 282, 1579-1580 (1997)
Variation in microwave losses induced by dc and rf magnetic fields in HTS thin films
J. C. Gallop, A. Cowie and L. F. Cohen
Physica C, 282, 1577-1578 (1997)
A quantum statistics approach for characterizing superconductors
F. Abbas, J. C. Gallop and L. Hao
Physica C, 282, 2535-2536 (1997)
QRNT: A primary thermometer based on an HTS SQUID
J. Gallop, L. Hao and R. Reed
Physica C, 282, 2485-2486 (1997)
Properties of normal metal shunted YBCO bi-crystal junctions
L. Hao, J. Gallop, R. Reed, J. Macfarlane and E. Romans
Physica C, 282, 2415-2416 (1997)
Shunted YBCO bi-crystal junctions for noise thermometry
L. Hao, J. C. Gallop, R. P. Reed, J. C. Macfarlane and E. Romans
Applied Superconductivity, 5, 297-301 (1997)
The quantum roulette noise thermometer
J. C. Gallop, L. Hao and P. Reed
Applied Superconductivity, 5, 285-289 (1997)
Microwave applications of high-temperature superconductors
J. Gallop
Superconductor Science & Technology, 10, A120-A141 (1997)
Variation of microwave losses induced by dc and rf magnetic fields in Gd123 thin films
L. F. Cohen, A. Cowie, J. C. Gallop, I. S. Ghosh, J. Chrosch and I. N. Goncharov
Ieee Transactions On Applied Superconductivity, 7, 1291-1294 (1997)
Frequency stability of dielectric loaded HTS microwave resonators
J. Gallop, L. Hao, F. Abbas and C. D. Langham
Ieee Transactions On Applied Superconductivity, 7, 3504-3507 (1997)
Resistance network for verifying the accuracy of resistance bridges
D. R. White and J. M. Williams
Ieee Transactions On Instrumentation and Measurement, 46, 329-332 (1997)
Cryogenic sapphire dielectric resonators: Performance and potential
C. D. Langham and J. C. Gallop
Ieee Transactions On Instrumentation and Measurement, 46, 130-132 (1997)
Dielectric loaded HTS resonators as frequency standards and low-phase noise oscillators
J. C. Gallop, C. D. Langham, L. Hao and F. Abbas
Ieee Transactions On Instrumentation and Measurement, 46, 122-125 (1997)
Optically pumped He-3 NMR and atomic hydrogen ESR at 0.6 T
J. L. Flowers, C. J. Bickley, P. W. JosephsFranks and B. W. Petley
Ieee Transactions On Instrumentation and Measurement, 46, 104-107 (1997)
Microwave power dependence in Gd 123 and Tl 2212 thin films: Examining the evidence for limiting behavior
L. F. Cohen, A. Cowie, J. C. Gallop, I. S. Ghosh and I. N. Goncharov
Journal of Superconductivity, 10, 85-90 (1997)
The mole and the unified atomic mass unit
B. W. Petley
Metrologia, 33, 261-264 (1996)
The status of Johnson noise thermometry
D. R. White, R. Galleano, A. Actis, H. Brixy, M. DeGroot, J. Dubbeldam, A. L. Reesink, F. Edler, H. Sakurai, R. L. Shepard and J. C. Gallop
Metrologia, 33, 325-335 (1996)
Electrooptic sampling of low temperature GaAs pulse generators for oscilloscope calibration
A. J. A. Smith, A. G. Roddie and D. Henderson
Optical and Quantum Electronics, 28, 933-943 (1996)
Noise thermometry with HTS SQUIDs
J. Clark and J. Gallop
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1529-1532 (1995)
HTS/ferroelectric thin-films
F. Abbas, L. E. Davis and J. C. Gallop
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1211-1214 (1995)
A novel microwave response calibrator based on a high Q superconducting resonator
J. C. Gallop, W. J. Radcliffe and C. D. Langham
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1203-1206 (1995)
Performance of dielectric loaded superconducting resonators as frequency standards
C. D. Langham and J. C. Gallop
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1199-1202 (1995)
SQUIDS inductively coupled to superconducting transmission line for microwave phase shifters
F. Abbas, L. E. Davis and J. C. Gallop
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1151-1154 (1995)
Superconductor-dielectric microwave resonators with ultra-high Q-values
F. Abbas, L. E. Davis and J. C. Gallop
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1147-1150 (1995)
Correlations between rf- and dc-magnetic field induced microwave losses and the de-screening current density J in HTS thin films
I. S. Ghosh, L. F. Cohen, J. V. Thomas, J. L. MacManusDriscoll, R. Somekh, M. Lenkens, S. Hensen, G. Muller, D. Jedamzik, Z. F. Ren, C. A. Wang, J. H. Wang, J. C. Gallop and A. D. Caplin
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1083-1086 (1995)
Surface impedance of YBa2Cu3O7-delta thin films on LaAlO3 and NdGaO3 substrates deposited by MOCVD
A. Porch, B. Avenhaus, J. C. Gallop, W. J. Radcliffe, I. M. Watson, M. P. Atwood and D. Cardwell
Applied Superconductivity 1995, Vols. 1 and 2 - Vol 1: Plenary Talks and High Current Applications; Vol 2: Small Scale Applications, 148, 1043-1046 (1995)
Tunable microwave components based on dielectric nonlinearity by using HTS/ferroelectric thin films
F. Abbas, L. E. Davis and J. C. Gallop
Ieee Transactions On Applied Superconductivity, 5, 3511-3517 (1995)
The Effect of Buffer Layers On Slow-wave Propagation In Superconducting Planar Transmission-lines
F. ABBAS, L. E. DAVIS and J. C. GALLOP
Physica C, 254, 137-142 (1995)
Microwave Losses of Ybco Thin-films In High Magnetic-fields
I. S. GHOSH, L. F. COHEN, V. FRY, T. TATE, A. D. CAPLIN, J. C. GALLOP, S. SIEVERS, R. SOMEKH, S. HENSEN and M. LENKENS
Ieee Transactions On Applied Superconductivity, 5, 1756-1759 (1995)
Temperature-dependence of Surface Impedance of Pulsed-laser-deposited Ybco Films
J. H. CLARK, G. B. DONALDSON, J. C. GALLOP and R. M. BOWMAN
Ieee Transactions On Applied Superconductivity, 5, 2555-2558 (1995)
Note On the Origins of Iec-164
B. W. PETLEY
Metrologia, 32, 133-133 (1995)
Josephson Noise Thermometry With Hts Devices
J. C. GALLOP and B. W. PETLEY
Ieee Transactions On Instrumentation and Measurement, 44, 234-237 (1995)
Optically Pumped He-3 Nmr and the Bohr Magneton
J. L. FLOWERS, P. W. FRANKS and B. W. PETLEY
Ieee Transactions On Instrumentation and Measurement, 44, 572-574 (1995)
Correcting High-precision Pulsed Nmr Flux-density Measurements For Asymmetries In the Lineshape
J. L. FLOWERS, P. W. FRANKS and B. W. PETLEY
Ieee Transactions On Instrumentation and Measurement, 44, 488-490 (1995)
Electrical Units - the Last 30 Years
B. W. PETLEY
Metrologia, 31, 495-502 (1995)
A Brief-history of the Electrical Units To 1964
B. W. PETLEY
Metrologia, 31, 481-494 (1995)
Ultra-high-q Resonators For Low-noise, Microwave Signal Generation Using Sapphire Buffer Layers and Superconducting Thin-films
F. ABBAS, L. E. DAVIS and J. C. GALLOP
Superconductor Science & Technology, 7, 495-501 (1994)
Lamb Shifts and Hyperfine-structure In Li-6(+) and Li-7(+) - Theory and Experiment
E. RIIS, A. G. SINCLAIR, O. POULSEN, G. W. F. DRAKE, W. R. C. ROWLEY and A. P. LEVICK
Physical Review A, 49, 207-220 (1994)
Clocking the Fundamental Physical Constants
B. PETLEY
Physics World, 7, 23-24 (1994)
Some Problems In Basic Metrology
B. W. PETLEY
Measurement Techniques Ussr, 36, 1184-1193 (1993)
Field Solution For A Thin-film Superconducting Parallel-plate Transmission-line
F. ABBAS, L. E. DAVIS and J. C. GALLOP
Physica C, 215, 132-144 (1993)
A Comparison of Spectral and Temporal Techniques For the Measurement of Timing Jitter and Their Application In A Modelocked Argon Ion and Dye-laser System
D. HENDERSON and A. G. RODDIE
Optics Communications, 100, 456-460 (1993)
A Bscco(2223) Thin-film Dc Squid Utilizing Natural Grain-boundary Weak-links
F. J. MULLER, J. C. GALLOP, A. D. CAPLIN, S. LABDI and H. RAFFY
Journal of Alloys and Compounds, 195, 703-706 (1993)
A Measurement of the Nuclear Magnetic-moment of the He-3 Atom In Terms of That of the Proton
J. L. FLOWERS, B. W. PETLEY and M. G. RICHARDS
Metrologia, 30, 75-87 (1993)
Measurements of 10-v Standards Using A 1-v Josephson Array
L. C. A. HENDERSON, A. HARTLAND and J. M. WILLIAMS
Ieee Transactions On Instrumentation and Measurement, 42, 577-582 (1993)
Development of A High-stability Cryogenic Sapphire Dielectric Resonator
C. D. LANGHAM and J. C. GALLOP
Ieee Transactions On Instrumentation and Measurement, 42, 96-98 (1993)
The Fundamental Constants of Physics and Spectroscopy
B. W. PETLEY
Physica Scripta, T40, 5-14 (1992)
A Dc Squid Using Natural Grain-boundaries In Bscco
F. J. MULLER, J. C. GALLOP, A. D. CAPLIN, S. LABDI and H. RAFFY
Physica C, 202, 268-270 (1992)
Recent Developments In the Calibration of Fast Sampling Oscilloscopes
D. HENDERSON, A. G. RODDIE and A. J. A. SMITH
Iee Proceedings-a-science Measurement and Technology, 139, 254-260 (1992)
Inductive and Resistive Measurements of Hts Thin-films - Reconciliation Through Percolation
F. J. MULLER, J. C. GALLOP and A. D. CAPLIN
Superconductor Science & Technology, 5, 501-506 (1992)
The Role of the Fundamental Constants of Physics In Metrology
B. W. PETLEY
Metrologia, 29, 95-112 (1992)
A Direct Comparison of the Quantized Hall Resistance In High Critical Current Gallium-arsenide and Silicon Devices
A. HARTLAND, K. JONES, J. M. WILLIAMS, T. GALLOWAY, B. L. GALLAGHER, C. R. H. WHITE and M. HENINI
Surface Science, 263, 112-115 (1992)
Percolative Reconciliation Between Resistive and Magnetic Measurements of the Transition-temperature In Hts Thin-films
F. J. MULLER, J. C. GALLOP and A. D. CAPLIN
Superconductor Science & Technology, 4, 616-619 (1991)
Surface Impedance Properties of Insitu Hts Thin-films Measured In A Superconducting Cavity
J. C. GALLOP, P. G. QUINCEY and W. J. RADCLIFFE
Superconductor Science & Technology, 4, 574-576 (1991)
Characterization of Microwave Surface Impedance of High-temperature Superconductors
J. C. GALLOP and W. J. RADCLIFFE
Superconductor Science & Technology, 4, 568-573 (1991)
Time and Frequency In Fundamental Metrology
B. W. PETLEY
Proceedings of the Ieee, 79, 1070-1076 (1991)
Squids, the Josephson Effects and Measurement
J. GALLOP
Measurement Science & Technology, 2, 485-496 (1991)
High-tc Films Break Microwave Barriers
J. GALLOP
Physics World, 4, 21-22 (1991)
Interferometric Measurements of Te-130(2) Reference Frequencies For 1s-2s Transitions In Hydrogenlike Atoms
G. P. BARWOOD, W. R. C. ROWLEY, P. GILL, J. L. FLOWERS and B. W. PETLEY
Physical Review A, 43, 4783-4790 (1991)
High-temperature Superconductivity - Supercurrents At A Pinch
J. GALLOP
Nature, 350, 465-465 (1991)
Fine Tuning the Si Units and Fundamental Physical Constants
B. W. PETLEY
Proceedings of the Royal Society of London Series A-mathematical Physical and Engineering Sciences, 433, 219-233 (1991)
An Automated Cryogenic Current Comparator Resistance Ratio Bridge
J. M. WILLIAMS and A. HARTLAND
Ieee Transactions On Instrumentation and Measurement, 40, 267-270 (1991)
Surface-resistance of Bulk and Thick-film Yba2cu3ox
N. M. ALFORD, T. W. BUTTON, G. E. PETERSON, P. A. SMITH, L. E. DAVIS, S. J. PENN, M. J. LANCASTER, Z. WU and J. C. GALLOP
Ieee Transactions On Magnetics, 27, 1510-1518 (1991)
Microwave Surface Impedance In A Coaxial Cavity As A Material Characterization Technique
J. C. GALLOP, W. J. RADCLIFFE, T. W. BUTTON and N. M. ALFORD
Ieee Transactions On Magnetics, 27, 1310-1312 (1991)
Thick-film Ybco Microstrip Resonators
R. MOSSAVATI, J. C. GALLOP, T. BUTTON and N. M. ALFORD
Ieee Transactions On Magnetics, 27, 2952-2954 (1991)
Direct Comparison of the Quantized Hall Resistance In Gallium-arsenide and Silicon
A. HARTLAND, K. JONES, J. M. WILLIAMS, B. L. GALLAGHER and T. GALLOWAY
Physical Review Letters, 66, 969-973 (1991)
Microwave Surface Impedance In A Coaxial Cavity As A Material Characterization Technique
J. C. GALLOP, W. J. RADCLIFFE, T. W. BUTTON and N. M. ALFORD
Superconductor Science & Technology, 4, S319-S321 (1991)
Thick-film Ybco Microstrip Resonators
R. MOSSAVATI, J. C. GALLOP, W. J. RADCLIFFE, T. BUTTON and N. M. ALFORD
Superconductor Science & Technology, 4, S145-S147 (1991)
Applications of Low and High-tc Thin-film Devices To Metrology
J. C. GALLOP
Institute of Physics Conference Series, 261-272 (1990)
30 Years (or So) of the Si
B. W. PETLEY
Measurement Science & Technology, 1, 1261-1262 (1990)
Calibration of Fast Sampling Oscilloscopes
D. HENDERSON and A. G. RODDIE
Measurement Science & Technology, 1, 673-679 (1990)
Metrology, the Key To Progress - In the Past and In the Future
B. W. PETLEY
Physica Scripta, 41, 701-711 (1990)
An Optically Pumped He-3 Maser Operating At 0.1-t
J. L. FLOWERS, B. W. PETLEY and M. G. RICHARDS
Journal of Physics B-atomic Molecular and Optical Physics, 23, 1359-1362 (1990)
Multimode Microwave Measurements On A Coaxial Cavity With High-temperature Superconductor Center Conductor
W. J. RADCLIFFE, J. C. GALLOP, C. D. LANGHAM, N. M. ALFORD and T. W. BUTTON
Superconductor Science & Technology, 3, 151-154 (1990)
Developments In Hts Devices
J. C. GALLOP
Superconductor Science & Technology, 3, 20-25 (1990)
Josephson Effects and Microwave Response of Hts Thin-films
J. C. GALLOP, W. J. RADCLIFFE, C. D. LANGHAM, R. SOBOLEWSKI, W. KULA and P. GIERLOWSKI
Physica C, 162, 1545-1546 (1989)