光学设计软件zemax源码： This DLL models an nular aspheric surface as described in: \"Annular surfaces in annular field systems\" By Jose M. Sasian Opt. eng. 36 (12) P 3401-3401 December 1997 This surface is essentially an odd aspheric surfa

《field-field methods in materials science and engineering》中model-B的源代码。-" Field-field methods in materials science and engineering" in the model-B source code.