Use of an expert system for optimization of optical systems

Scott A. Lerner

doi:10.1117/12.511276

6 November 2003 Use of an expert system for optimization of optical systems

Scott A. Lerner

Proceedings Volume 5174, Novel Optical Systems Design and Optimization VI; (2003) https://doi.org/10.1117/12.511276
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

We present, as a different perspective on optimization, an expert system for optimization of optical systems that can be used in conjunction with damped least squared methods to find minima for specific design forms. Expert system optimization differs from global optimization in that it preserves the basic structure of the optical system and limits its search for a minima to a relatively small portion of the design space. In general, the high density of local minima obscures the general trend of the merit function in the region of interest for systems with a large number of variables and constraints. Surprisingly, there may be a potential decrease of an order a magnitude in the merit function for a region of solution space. While global optimization is well-suited to identifying design forms of interest, expert system optimization can be used for in-depth optimization of such forms. An expert system based upon such techniques was used to obtain the winning entry for the 2002 IODC lens design problem. The expert system used is discussed along with other design examples.

Citation Download Citation

Scott A. Lerner "Use of an expert system for optimization of optical systems", Proc. SPIE 5174, Novel Optical Systems Design and Optimization VI, (6 November 2003); https://doi.org/10.1117/12.511276

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