Global Coordinates and Exact Aberration Calculations Applied to Physical Optics Modeling of Complex Optical Systems

G. Lawrence; C. Barnard; V. Viswanathan

doi:10.1117/12.975496

25 November 1986 Global Coordinates and Exact Aberration Calculations Applied to Physical Optics Modeling of Complex Optical Systems

G. Lawrence, C. Barnard, V. Viswanathan

Author Affiliations +

Proceedings Volume 0642, Modeling and Simulation of Optoelectronic Systems; (1986) https://doi.org/10.1117/12.975496
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States

Abstract

Historically, wave optics computer codes have been paraxial in nature. Folded systems could be modeled by "unfolding" the optical system. Calculation of optical aberrations is, in general, left for the analyst to do with off-line codes. While such paraxial codes were adequate for the simpler systems being studied 10 years ago, current problems such as phased arrays, ring resonators, coupled resonators, and grazing incidence optics require a major advance in analytical capability. This paper describes extension of the physical optics codes GLAD and GLAD V to include a global coordinate system and exact ray aberration calculations. The global coordinate system allows components to be positioned and rotated arbitrarily. Exact aberrations are calculated for components in aligned or misaligned configurations by using ray tracing to compute optical path differences and diffraction propagation. Optical path lengths between components and beam rotations in complex mirror systems are calculated accurately so that coherent interactions in phased arrays and coupled devices may be treated correctly.

Citation Download Citation

G. Lawrence, C. Barnard, and V. Viswanathan "Global Coordinates and Exact Aberration Calculations Applied to Physical Optics Modeling of Complex Optical Systems", Proc. SPIE 0642, Modeling and Simulation of Optoelectronic Systems, (25 November 1986); https://doi.org/10.1117/12.975496

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