Recent content by Douglas-Stinson

OMG! Yes,, fixed now!

Hi! I am a retired PhD Physicist, R&D manager and now photographer. I have held leadership positions in the data storage, telecommunications and medical device industries. My focus was on complete product realization by creating and leading diverse, multi-functional teams that deliver...

I am attempting to calculate the Fresnel difraction pattern from different diameter circular apertures for specific source to aperture and aperture to sensor distances. I'm generally following the procedure given in Klaus D. Mielenz "Algorithms for Fresnel Diffraction at Rectabngual and Circular...