MICROSTRUCTURING OF AN OPTICAL WAVEGUIDES FOR PRODUCING FUNCTIONAL OPTICAL ELEMENTS

摘要

The invention relates to a method for microstructuring an optical waveguide which comprises a first cross section area having a first refraction index, a second cross section area having a second refraction index and a limiting area which is disposed at the junction of the first and second cross section areas. The inventive method consists in exposing the optical waveguide to the effect of a laser beam which is embodied in the form of at least one individual ultrashort pulse or a pulse sequence with a given power input, thereby defining quantity of received energy. The optical waveguide is exposed to the effect of the laser beam in such a way that at least one optical property thereof is modified in at least one defined part of the limiting area