88th Optical Society of America Annual Meeting Proceedings: Rochester, NY, October 1, 2005.
Copyright © 2005 Optical Society of America. This paper was published in 88th Optical Society of America Annual Meeting Proceedings: Rochester, NY and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.osa.org/. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
NOTE: At the time of publication, the author Glen Gillen was not yet affiliated with Cal Poly.
For a plane wave (having wavelength λ) incident on a circular aperture (radius a), the transverse distribution of light intensity beyond the aperture is expressed in terms of a dimensionless parameter, p1=a/λ, for various distances close to the aperture, using the vector Rayleigh-Sommerfeld diffraction theory.