In optical design software like LightTools (developed by Synopsys), "crack-free" geometry refers to a high-precision modeling standard where 3D surfaces and solids are mathematically "water-tight," ensuring no microscopic gaps (cracks) or overlapping facets exist between surfaces. Core Functionality of Crack-Free Modeling This feature is essential for accurate non-imaging optics

LightTools is a comprehensive software package developed by OTI Optic Technology Inc. The software is designed to help engineers and designers create and optimize optical systems, including illumination systems, optical fibers, and more. LightTools offers a range of features and tools, including:

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