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7 December 1982 New Methods For Computing Fields In Focal Regions
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Abstract
Various efficient methods for computing fields in focal regions are described. The methods are based on the Kirchhoff integral, the Rayleigh-Sommerfeld integrals, the boundary-diffraction-wave integral, or the angular-spectrum representation. Efficient numerical algorithms are obtained from these diffraction integrals by employing local phase and amplitude approximations, asymptotic approximations, and fast-Fourier-transform algorithms. Both ordinary lenses and holographic lenses are considered.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jakob J. Stamnes "New Methods For Computing Fields In Focal Regions", Proc. SPIE 0358, Applications of Mathematics in Modern Optics, (7 December 1982); https://doi.org/10.1117/12.934071
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