Prof. Stafford Withington
Professor at Univ of Cambridge
SPIE Involvement:
Author | Instructor
Publications (68)

Proceedings Article | 22 May 2023 Presentation + Paper
Proceedings Volume 12327, 123270B (2023)
KEYWORDS: Electric fields, Particles, Electrons, Electric field sensors, Electrical conductivity, Superconductors, Absorption

Proceedings Article | 6 September 2022 Poster + Paper
Proceedings Volume 12190, 121901T (2022)
KEYWORDS: Telescopes, Fourier transforms, Calibration, Spectrometers, Modeling, Astronomy, Optical components

Proceedings Article | 31 August 2022 Presentation + Paper
Proceedings Volume 12190, 121900J (2022)
KEYWORDS: Sensors, Detector arrays, Astronomical detectors, Far infrared

Proceedings Article | 31 August 2022 Poster + Presentation + Paper
David Naylor, Brad Gom, Alicia Anderson, Anthony Huber, Adam Christiansen, Matthew Buchan, Alain Cournoyer, Frédéric Grandmont, J. Louwerse, Peter A. Ade, Willem Jellema, Bram Lap, Stafford Withington
Proceedings Volume 12190, 121900R (2022)
KEYWORDS: Fourier transforms, Spectroscopy, Sensors, Cryogenics, Diffraction gratings, Spectral resolution, Absorption, Black bodies, Mirrors, Interferometers

Proceedings Article | 23 December 2020 Poster
Peter Roelfsema, Pieter Dieleman, Willem Jellema, Gert de Lange, Jaap Evers, Shoko Jin, Martin Giard, Francisco Najarro, Charles Bradford, Marc Audard, Stafford Withington, Yasuo Doi, Frank Helmich, Mika Juvela, Franz Kerschbaum, Csaba Kiss, Oliver Krause, Bengt Larsson, David Naylor, Luigi Spinoglio, Ryszard Szczerba, Floris van der Tak, Bart Vandenbussche, Shiang-Yu Wang
Proceedings Volume 11443, 114436W (2020)
KEYWORDS: Spectroscopes, Spectroscopy, Sensors, Beam steering, Mirrors, Galactic astronomy, Observatories, Relays, Signal detection, Telescopes

Showing 5 of 68 publications
Proceedings Volume Editor (3)

Conference Committee Involvement (3)
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy
26 June 2008 | Marseille, France
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III
29 May 2006 | Orlando, Florida , United States
Millimeter and Submillimeter Detectors for Astronomy II
23 June 2004 | Glasgow, United Kingdom
Course Instructor
SC646: Theoretical Foundations of Far-Infrared and Submillimetre-Wave Astronomical Optics: Modes, Coherence, and Photons
This course describes the theoretical foundations of far-infrared and submillimetre-wave astronomical optics. First the notion of coherent modal optics (Gaussian-Hermite, Gaussian-Laguerre, plane-wave, and Gabor-mode analysis) is introduced, and then a detailed procedure for modeling partially coherent optical systems, including sources and detectors, is described. A variety of advanced analytical techniques are presented (for example, how much power is coupled between two partially coherent beams? and how do we find the natural modes of a radiation field?), and the relationship to quantum optics is outlined. The concepts are demonstrated by explaining the modal principles of planar submillimetre-wave astronomical imaging arrays and multi-mode astronomical bolometric interferometers.
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