Proceedings PaperLISA optics model
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The LISA experiment has six telescopes, in three spacecraft, in orbit about the sun. There is a continuous laser link between all of the spacecraft. Because of the large, 5 million kilometer distances, between the spacecraft and the need to perform picometer level interferometry and the fact that the optical system is dynamic precludes the use of standard optical codes in the design and analysis of this optical system. A description of the mathematical approach used to model the optics, in the spacecraft in orbit, is presented and the ability of this model to analyze requirements is discussed.