Zhou, JTGuo, KKHe, JHou, MXZhang, ZLiao, CRWang, YXu, GXWang, YP2018-11-082018-11-082018-11-08201810.1364/OE.26.013311https://infoscience.epfl.ch/handle/20.500.14299/150678WOS:000432457600101Novel fabrication technique for phase-shifted fiber Bragg gratings using a variable-velocity scanning beam and a shielded phase masktext::journal::journal article::research article