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Program MOL calculates the mode indices and fields for strip, rib, and other general waveguides using the method of lines. All input and output is via text on screen or files on disk. Materials are characterized by their scalar refractive index. The algorithm is described in detail in the accompanying 55 page manual that describes the underlying physical equations upon which the program is based as well as providing many examples, often taken from the literature, demonstrating some of calculations that are possible.


  • The program runs in a DOS window in Windows 10 or 11 with a 64-bit OS, Intel or AMD processor, and with 8 GB RAM. Software is shipped on a USB memory stick with a security dongle and manual - one dongle for all programs purchased per order.

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