1. M. Born and E. Wolf , “Elements of the theory of diffraction,” Chapter 8 inPrinciples of Optics: Electromagnetic Theory of Propagation, Interference and Diffraction, 7th ed., Cambridge University Press, Cambridge, UK (1999).
2. A. Sommerfeld , inOptics, translated by O. Laporte and P. A. Moldauer, pp. 199–201, Academic Press, New York (1954).
3. J. W. Goodmann , “Foundations of scalar diffraction theory,” Chapter 3 inIntroduction to Fourier Optics, McGraw-Hill, San Francisco (1968).
4. Reciprocity Theorems in Various Theories of Diffraction*
5. Analytic expressions and approximations for the on-axis, aberration-free Rayleigh and Debye integral in the case of focusing fields on a circular aperture