"For virtual prototyping in the industry, non-sequential ray tracers are becoming more and more common. They can do much more, however: they enable detailed analyses of optical systems and thus help to understand their characteristics and behaviour. This is usually the basis for a target-oriented optimisation. Ray tracing with advanced software features, controlled and creatively utilised by the user, can lower the computing time by many orders of magnitude, and thus for the first time makes certain problems accessible to optics simulation."
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