Bragg Grating Waveguide Array Ultrafast Laser Inscribed into the Cladding of a Flat FiberStephen J. Beecher, Robert R. Thomson, Graeme Brown, Andrew. S. Webb, Jayanta. K. Sahu and Ajoy K. KarMATEC Web of Conferences, 8 (2013) 06001DOI: https://doi.org/10.1051/matecconf/20130806001