User-defined objects for stray-light and illumination system modeling

Kenneth E. Moore; Mark G. Nicholson; Jennifer R. Warwick

doi:10.1117/12.514700

18 February 2004 User-defined objects for stray-light and illumination system modeling

Kenneth E. Moore, Mark G. Nicholson, Jennifer R. Warwick

Proceedings Volume 5249, Optical Design and Engineering; (2004) https://doi.org/10.1117/12.514700
Event: Optical Systems Design, 2003, St. Etienne, France

Abstract

Ray-tracing codes used for stray light analysis or illumination system design often require access to complex object shapes. This is sometimes achieved by designing objects in CAD packages, and then importing them into the ray-tracing package. The disadvantage to using imported CAD objects is flexibility, ray-tracing speed, and in some cases, ray-tracing accuracy. This paper describes a new approach in which a user-defined object is used. The user-defined object is an external, user-supplied program called a Dynamic Link Library or DLL. The advantages to defining an object using a DLL, rather than the other methods listed above, are described and examples given which compare the two approaches.

Citation Download Citation

Kenneth E. Moore, Mark G. Nicholson, and Jennifer R. Warwick "User-defined objects for stray-light and illumination system modeling", Proc. SPIE 5249, Optical Design and Engineering, (18 February 2004); https://doi.org/10.1117/12.514700

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