In this video, we demonstrate a step-by-step simulation of Single Mode Optical Fiber using COMSOL Multiphysics. You'll learn how to model the fiber structure, set up boundary conditions, select appropriate physics (like Electromagnetic Waves, Frequency Domain), and. Among the wide variety of fibers that exist, one important categorization criterion is if the fiber is multimode or single mode. In a single mode fiber, only one spatial mode can exist. The simulation analytics is divided into two parts, i. simulation through COMSOL, whereby varying the core diameter and wavelength, EM. In this paper we investigate by simulation the dependence of the numerical aperture, normalized frequency and power propagating in the fibre, on the refractive index difference between the cladding and the core. The main purpose of the presented numerical modelling results is developing a simple. Focusing a laser beam onto the tip of a single mode fiber is a common way to couple light. In this model, we use the beam envelopes method to compute a small free-space fiber–fiber. Then, through structured projects, you'll explore how to model, analyze, and visualize fiber modes, including single-mode, multi-mode, double-cladding, and bent fibers, as well as microstructured photonic crystal fibers. What You'll Learn Key Features Projects Covered Mode analysis, V-number.