A method and an apparatus for writing apodized Bragg gratings into an optical fiber. The method includes the steps of providing a photosensitive optical fiber and a writing beam. A periodic intensity distribution of period .LAMBDA. is created from the writing beam and the optical fiber is translated...http://www.google.fr/patents/US5912999?utm_source=gb-gplus-shareBrevet US5912999 - Method for fabrication of in-line optical waveguide index grating of any length
Method for fabrication of in-line optical waveguide index grating of any length
