Ireland, J; Henderson, D; Williams, J M; Kieler, O*; Kohlmann, J*; Behr, R*; Gran, J*; Malmbekk, H*; Lind, K*; Chi Kwong Tang* (2014) An optoelectronic coupling for pulse-driven Josephson junction arrays. In: 29th Conference on Precision Electromagnetic Measurements (CPEM 2014), 24-29 August 2014, Rio de Janeiro, Brazil.

Henderson, D; Williams, J M; Yamada, T* (2012) Application of a Josephson quantum voltage source to the measurement of microsecond timescale settling time on the Agilent 3458A 8½ digit voltmeter. Meas. Sci. Technol., 23 (12). 124006

Williams, J M; Henderson, D; Yamada, T* (2012) Quantum waveform synthesizer using Nb/TiN/Nb binary-divided Josephson junction arrays. In: 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012), 1-6 July 2012, Washington DC, USA.

Williams, J M; Henderson, D; Pickering, J*; Behr, R*; Muller, F*; Scheibenreiter, P* (2011) Quantum referenced voltage waveform synthesizer. IET Sci. Meas. Technol., 5 (5). pp. 163-174.

Williams, J M; Henderson, D; Patel, P; Behr, R*; Palafox, L* (2007) Achieving sub-100-ns switching of programmable Josephson Arrays. IEEE Trans. Instrum. Meas., 56 (2). pp. 651-654.

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.

Marra, G; Henderson, D; Oxborrow, M (2007) Frequency stability and phase noise of a pair of X-band cryogenic sapphire oscillators. Meas. Sci. Technol., 18 (5). pp. 1224-1228.

Williams, J M; Henderson, D; Patel, P; Behr, R*; Palafox, L* (2006) Achieving sub-100 ns switching of programmable Josephson arrays. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Williams, J M; Henderson, D; Patel, P; Behr, R*; Palafox, L* (2006) Achieving sub-100 ns switching of programmable Josephson arrays. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Szymaniec, K; Chalupczak, W; Whibberley, P B; Lea, S N; Henderson, D (2006) Reply to the comment on 'Evaluation of the primary frequency standard NPL-CsF1'. Metrologia, 43 (3). L18-19

D'Souza, H; Henderson, D; Quincey, P (2005) UK non-automatic hydrocarbon network: measurement of selected ozone precursors from existing chromatograms. NPL Report. DQL-AS 017

Henderson, D (2005) Essen and the National Physical Laboratory's atomic clock. Metrologia, 42 (3). pp. S4-S9.

Szymaniec, K; Chalupczak, W; Whibberley, P B; Lea, S N; Henderson, D (2005) Evaluation of the primary frequency standard NPL-CsF1. Metrologia, 42 (1). pp. 49-57.

Szymaniec, K; Chalupczak, W; Whibberley, P B; Lea, S N; Henderson, D (2004) Evaluation of NPL-CSF1 primary frequency standard. In: Conference on Precision Electromagnetic Measurement (CPEM) 2004, 27 June - 2 July 2004, London, UK.

Szymaniec, K; Chalupczak, W; Henderson, D (2003) Initial evaluation of the NPL caesium fountain frequency standard. In: Proceedings of the 2003 IEEE International Frequency Control Symposium and PDS Exhibition (jointly with the 17th European Frequency and Time Forum), 3-9 May 2003, Tempa, Florida, USA.

Lea, S N; Margolis, H S; Huang, G; Rowley, W R C; Henderson, D; Barwood, G P; Klein, H A; Webster, S A; Blythe, P; Gill, P (2002) Femtosecond optical frequency comb measurements of lasers stabilised to transitions in 88Sr+, 171Yb+ and I2 at NPL. In: Proceedings of the 6th Symposium on Frequency Standards and Metrology, 9-14 September 2001, University of St Andrews, Fife, Scotland, UK.

Henderson, D; Lea, S N; Szymaniec, K; Whibberley, P B (2001) Towards a caesium fountain frequency standard at the NPL. In: Proceedings of the 15th European Frequency and Time Forum (EFTF), March 2001, Neuchatel, Switzerland.

Henderson, D; Lea, S N; Szymaniec, K; Whibberley, P B (2001) Towards a ceasium fountain frequency standard at the NPL. In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Whibberley, P B; Henderson, D; Lea, S N (1999) Development of a caesium fountain primary frequency standard at the NPL. 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.

Henderson, D; Whibberley, P B; Szymaniec, K; Lea, S N (1999) Towards a caesium fountain frequency standard at NPL. In: BEMC 99 - 9th International Conference on Electromagnetic Measurement, November 1999, Brighton, UK.

Zucco, M*; Dudle, G*; Webb, C*; Whibberley, P B; Lea, S N; Henderson, D (1997) Current progress with the NPL caesium fountain frequency standard. In: Proc. EFTF 97, European Frequency and Time Forum, 4 - 6 March 1997, Neuchatel, Switzerland.

Smith, A J A; Roddie, A G; Henderson, D (1996) Electro-optic sampling of low temperature GaAs pulse generators for oscilloscope calibration. Opt. Quantum Electron., 28 (July). pp. 933-943.

Roddie, A G; Smith, A J A; Gifford, A D; Henderson, D (1995) Application of femosecond pulses to electrical metrology. In: BEMC 95 7th British Electromagnetic Measurements Conference Digest, 6-9 November 1995, Malvern.

Whibberley, P B; Henderson, D; Lea, S N; Zucco, M* (1995) The Caesium Fountain: progress towards the new primary frequency standard at NPL. In: BEMC 95 7th British Electromagnetic Measurements Conference Digest, 6 - 9 November 1995, Malvern.

Hall, S R G; Henderson, D; Roddie, A G; Smith, A J A (1993) Applications of time frequency domain de-embedding techniques to picosecond optoelectronics. In: 6th British Electromagnetic Measurements Conference Digest (BEMC 93), 2-4 November 1993, NPL, Teddington, UK.

Henderson, D; Roddie, A G (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. Opt. Commun., 100 (5-6). pp. 456-460.