Richard Walker

Publication Activity (10 Years)

Years Active: 2009-2019
Publications (10 Years): 1

Top Topics

Multispectral Imaging

Sensing Modalities

Top Venues

IEEE J. Solid State Circuits

Publications

Ahmet T. Erdogan, Richard Walker, Neil Finlayson, Nikola Krstajic, Gareth Williams, John M. Girkin, Robert K. Henderson
A CMOS SPAD Line Sensor With Per-Pixel Histogramming TDC for Time-Resolved Multispectral Imaging. IEEE J. Solid State Circuits 54 (6) (2019)
Leo Huf Campos Braga, Leonardo Gasparini, Lindsay Grant, Robert K. Henderson, Nicola Massari, Matteo Perenzoni, David Stoppa, Richard Walker
A Fully Digital 8 × 16 SiPM Array for PET Applications With Per-Pixel TDCs and Real-Time Energy Output. IEEE J. Solid State Circuits 49 (1) (2014)
Nikola Krstajic, Richard Walker, James Levitt, Simon P. Poland, David Day-Uei Li, Simon Ameer-Beg, Robert K. Henderson
A 256 × 8 SPAD line sensor for time resolved fluorescence and raman sensing. ESSCIRC (2014)
Leo Huf Campos Braga, Leonardo Gasparini, Lindsay Grant, Robert K. Henderson, Nicola Massari, Matteo Perenzoni, David Stoppa, Richard Walker
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 (2013)
Robert K. Henderson, Eric A. G. Webster, Richard Walker
A gate Modulated avalanche bipolar transistor in 130nm CMOS technology. ESSDERC (2012)
David Day-Uei Li, Simon Ameer-Beg, Jochen Arlt, David Tyndall, Richard Walker, Daniel R. Matthews, Viput Visitkul, Justin A. Richardson, Robert K. Henderson
Time-Domain Fluorescence Lifetime Imaging Techniques Suitable for Solid-State Imaging Sensor Arrays. Sensors 12 (5) (2012)
Marek Gersbach, Yuki Maruyama, Rahmadi Trimananda, Matthew W. Fishburn, David Stoppa, Justin A. Richardson, Richard Walker, Robert K. Henderson, Edoardo Charbon
A Time-Resolved, Low-Noise Single-Photon Image Sensor Fabricated in Deep-Submicron CMOS Technology. IEEE J. Solid State Circuits 47 (6) (2012)
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
A 160×128 single-photon image sensor with on-pixel 55ps 10b time-to-digital converter. ISSCC (2011)
Day-Uei Li, Richard Walker, Justin A. Richardson, Bruce Rae, Alex Buts, David R. Renshaw, Robert K. Henderson
FPGA Implementation of a Video-rate Fluorescence Lifetime Imaging System with a 32×32 CMOS Single-photon Avalanche Diode Array. ISCAS (2009)
Marek Gersbach, Yuki Maruyama, E. Labonne, J. Richardson, Richard Walker, Lindsay Grant, Robert K. Henderson, Fausto Borghetti, David Stoppa, Edoardo Charbon
A parallel 32×32 time-to-digital converter array fabricated in a 130 nm imaging CMOS technology. ESSCIRC (2009)
David Stoppa, Fausto Borghetti, Justin A. Richardson, Richard Walker, Lindsay Grant, Robert K. Henderson, Marek Gersbach, Edoardo Charbon
A 32x32-pixel array with in-pixel photon counting and arrival time measurement in the analog domain. ESSCIRC (2009)
Justin A. Richardson, Richard Walker, Lindsay Grant, David Stoppa, Fausto Borghetti, Edoardo Charbon, Marek Gersbach, Robert K. Henderson
A 32×32 50ps resolution 10 bit time to digital converter array in 130nm CMOS for time correlated imaging. CICC (2009)