He, Xuelan; Zhou, Jian; Meng, Lingzhi; Zhang, Kai; … - 2022
A micro tapered long-period fiber grating (MTLPFG) fabricated successfully by periodically tapering a standard single-mode fiber (SMF) with arc discharge technology, is proposed and experimentally demonstrated. The effective refractive index difference between the core and the cladding modes is...