Abstract
We propose a flexible method for fabricating complex fiber grating structures based on sequential writing for fiber gratings with polarization control of the UV source beam. Pure apodized as well as arbitrary phase-shifted fiber Bragg gratings (FBGs) can be fabricated in a single scan. Experimental examples of raised- apodized and dispersionless FBG filters are given to demonstrate the feasibility of this method.
© 2004 Optical Society of America
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