Wade, Scott A Effect of phase mask alignment on fiber Bragg grating spectra at harmonics of the Bragg wavelength. [electronic resource] - Journal of the Optical Society of America. A, Optics, image science, and vision Aug 2012 - 1597-605 p. digital Publication Type: Journal Article ISSN: 1520-8532 Standard No.: 10.1364/JOSAA.29.001597 doi