Glasses and Refractive indices
Planar Waveguides
Cylindrical Waveguides
Dispersion
Optical Detection
Erbium Fibers
API
Versions
Calculate the Petermann-2 radius for a step-index fiber.
This is a convenience function that works when V is an array.
V – V-parameter of the fiber [–]
approximate Petermann-2 radius normalized by core radius [–]