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Proceedings Paper

Integrating geometrical and physical optics with the lensgroup operator method
Author(s): George N. Lawrence
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Paper Abstract

Some years ago Lawrence and Moore developed the basic principles of integrating geometrical and physical optics by incorporating conventional ray-based methods into the diffraction-based program GLAD. This paper discusses more specifically the difficulties in ray-based methods and hybrid methods in which physical optics is encapsulated within a ray-based program. Phase singularities are common in physical optics analysis and are shown to pose severe difficulties for ray-based methods. Time-averaged, through- focus behavior of a clipped excimer beam is taken as an illustration of a problem which can not be solved by ray- based methods but is readily solved with the lensgroup operator method of Lawrence and Moore. Beam reshaping is taken as a second example where diffractive effects should be considered.

Paper Details

Date Published: 27 September 1999
PDF: 10 pages
Proc. SPIE 3780, Optical Design and Analysis Software, (27 September 1999); doi: 10.1117/12.363783
Show Author Affiliations
George N. Lawrence, Applied Optics Research (United States)


Published in SPIE Proceedings Vol. 3780:
Optical Design and Analysis Software
Richard C. Juergens, Editor(s)

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