Transmission matrices (TMs) have emerged as powerful tools for distal control through multimode fibers (MMFs) 1 and turbid media. 2 Through proper phase control at the proximal end of the fiber, typically achieved through the use of a spatial light modulator (SLM) 3 or digital. The transfer-matrix method is a method used in optics and acoustics to analyze the propagation of electromagnetic or acoustic waves through a stratified medium — a stack of thin films. This is, for example, relevant for the design of anti-reflective coatings and dielectric mirrors. The. This tab provides a brief explanation of how we determine several key specifications for our 1x2 couplers. 1x2 couplers are manufactured using the same process as our 2x2 fiber optic couplers, except the second input port is internally terminated using a proprietary method that minimizes back. This document describes, briefly, how to use the Matlab script, TransferMatrix. m to calculate optical interference and absorption in multilayer stacks. The transmission elements within the TM, which connect input. Transmission matrix measurements of multimode fibers are now routinely performed in numerous laboratories, enabling control of the electric field at the distal end of the fiber and paving the way for the potential application to ultrathin medical endoscopes with high resolution. Use the device S-parameters to create a compact model of the MMI in INTERCONNECT.