DIFFRACTION CALCULATIONS IN THE NEAR-FIELD AND THE VALIDITY OF THE FRESNEL APPROXIMATION
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 6:12 (1989) 1809-1814
Credit: I believe this widely-used image is public domain; it was obtained by download in 2015; source unknown
Prof Andrew Steane
Professor of Physics
Research theme
Sub department
