A technique is described wherein the pupil phase profile is obtained from the image irradiance or point spread function. Results of numerical examples are shown that illustrate the procedure on spread functions with large aberrations and on irradiance measurements containing noise.
© 1977 Optical Society of America
W. H. Southwell, "Wave-front analyzer using a maximum likelihood algorithm," J. Opt. Soc. Am. 67, 396-399 (1977)