Richard Walker

12 papers C 1Journal 4Unranked 7
YearRankTypeTitle / Venue / Authors
2019 J jnl
A CMOS SPAD Line Sensor With Per-Pixel Histogramming TDC for Time-Resolved Multispectral Imaging.
IEEE J. Solid State Circuits
Ahmet T. Erdogan, Richard Walker, Neil Finlayson, Nikola Krstajic, Gareth O. S. Williams, John M. Girkin, Robert K. Henderson
2014 — conf
A 256 × 8 SPAD line sensor for time resolved fluorescence and raman sensing.
ESSCIRC
Nikola Krstajic, Richard Walker, James Levitt, Simon P. Poland, David Day-Uei Li, Simon Ameer-Beg, Robert K. Henderson
2014 J jnl
A Fully Digital 8 × 16 SiPM Array for PET Applications With Per-Pixel TDCs and Real-Time Energy Output.
IEEE J. Solid State Circuits
Leo Huf Campos Braga, Leonardo Gasparini, Lindsay Grant, Robert K. Henderson, Nicola Massari, Matteo Perenzoni, David Stoppa, Richard Walker
2013 — conf
An 8×16-pixel 92kSPAD time-resolved sensor with on-pixel 64ps 12b TDC and 100MS/s real-time energy histogramming in 0.13µm CIS technology for PET/MRI applications.
ISSCC
Leo Huf Campos Braga, Leonardo Gasparini, Lindsay Grant, Robert K. Henderson, Nicola Massari, Matteo Perenzoni, David Stoppa, Richard Walker
2012 J jnl
A Time-Resolved, Low-Noise Single-Photon Image Sensor Fabricated in Deep-Submicron CMOS Technology.
IEEE J. Solid State Circuits
Marek Gersbach, Yuki Maruyama, Rahmadi Trimananda, Matthew W. Fishburn, David Stoppa, Justin A. Richardson, Richard Walker, Robert K. Henderson, Edoardo Charbon
2012 — conf
A gate Modulated avalanche bipolar transistor in 130nm CMOS technology.
ESSDERC
Robert K. Henderson, Eric A. G. Webster, Richard Walker
2012 J jnl
Time-Domain Fluorescence Lifetime Imaging Techniques Suitable for Solid-State Imaging Sensor Arrays.
Sensors
David Day-Uei Li, Simon Ameer-Beg, Jochen Arlt, David Tyndall, Richard Walker, Daniel R. Matthews, Viput Visitkul, Justin A. Richardson, Robert K. Henderson
2011 — conf
A 160×128 single-photon image sensor with on-pixel 55ps 10b time-to-digital converter.
ISSCC
Chockalingam Veerappan, Justin A. Richardson, Richard Walker, Day-Uei Li, Matthew W. Fishburn, Yuki Maruyama, David Stoppa, Fausto Borghetti, Marek Gersbach, Robert K. Henderson, Edoardo Charbon
2009 — conf
A 32x32-pixel array with in-pixel photon counting and arrival time measurement in the analog domain.
ESSCIRC
David Stoppa, Fausto Borghetti, Justin A. Richardson, Richard Walker, Lindsay Grant, Robert K. Henderson, Marek Gersbach, Edoardo Charbon
2009 — conf
A 32×32 50ps resolution 10 bit time to digital converter array in 130nm CMOS for time correlated imaging.
CICC
Justin A. Richardson, Richard Walker, Lindsay Grant, David Stoppa, Fausto Borghetti, Edoardo Charbon, Marek Gersbach, Robert K. Henderson
2009 — conf
A parallel 32×32 time-to-digital converter array fabricated in a 130 nm imaging CMOS technology.
ESSCIRC
Marek Gersbach, Yuki Maruyama, E. Labonne, J. Richardson, Richard Walker, Lindsay Grant, Robert K. Henderson, Fausto Borghetti, David Stoppa, Edoardo Charbon
2009 C conf
FPGA Implementation of a Video-rate Fluorescence Lifetime Imaging System with a 32×32 CMOS Single-photon Avalanche Diode Array.
ISCAS
Day-Uei Li, Richard Walker, Justin A. Richardson, Bruce Rae, Alex Buts, David Renshaw, Robert K. Henderson