Stafford Withington works on the development of advanced instrumentation and ultra-low noise quantum electronics and sensors for fundamental physics. Most of the Group’s work is carried out in the millimetre-wave, submillimetre-wave, and infrared regions of the electromagnetic spectrum, but the team also has interests in x-ray and particle sensing. For example, the Group is currently developing the superconducting imaging arrays for the ESA/JAXA far-infrared space telescope SPICA, and is developing millimetre-wave chip spectrometers for space-based Earth observation. The Quantum Sensors Group runs a major superconducting detector fabrication facility, and is interested in many aspects of superconducting device physics, non-equilibrium superconductivity, heat transport in low-dimensional structures, solid-state noise mechanisms at low temperatures, and the materials science associated with fabricating complex science grade devices and microcircuits. Stafford has considerable experience in the optical physics and numerical modelling of submillimetre-wave systems, infrared bolometers, imaging arrays, interferometers, phased arrays, and pulsed optical systems.