Phase shifted Bragg gratings formed in optical fibres by post-fabrication thermal processing[J] . D. Uttamchandani,A. Othonos.Optics Communications . 1996 (4)
Phase shifted Bragg gratings formed in optical fibres by post-fabrication thermal processing[J] . D. Uttamchandani,A. Othonos.Optics Communications . 1996 (4)