Characterizing Fiber Bragg Grating Index Profiles to Improve the Writing Process Espejo, R. Joseph ; Svalgaard, Mikael ; Dyer, Shellee D. Abstract Publication: IEEE Photonics Technology Letters Pub Date: November 2006 DOI: 10.1109/LPT.2006.884740 Bibcode: 2006IPTL...18.2242E