In the last decade refractometric sensors have attracted an increasing interest by the
scientific community due to their ability to perform ambient monitoring, to assess food quality …

Photonics | Free Full-Text | Phase-Inserted Fiber Gratings and Their Applications to Optical
Filtering, Optical Signal Processing, and Optical Sensing: Review Next Article in Journal A …

A compact temperature-insensitive optical fiber twist sensor based on multi-phase-shifted
helical long period fiber grating has been proposed and experimentally demonstrated in this …

A new concept to measure rotation angles based on a fiber-optic modal Mach-Zehnder
interferometer is demonstrated by using a nonadiabatic taper cascaded with a long-period …

摘要随着光通信网络的发展, 高性能宽带模式转换器成为了迫切需求. 提出并实验制备了强调制
相移少模光纤螺旋长周期光栅, 其可以实现全光纤宽带轨道角动量模式转换器的功能 …

We have obtained useful analytical expressions for the spectra of phase shifted and
cascaded long-period gratings and have demonstrated experimental results which are in …

We have demonstrated an ultra-broadband fiber mode converter based on \rmCO_2 CO_2-
laser inscribed length apodized phase-shifted long-period gratings (LPGs) with a three …

We propose and demonstrate an ultra-broadband mode converter based on a cascade
chirped long-period fiber grating (CLPFG) written in a two-mode fiber. The mode converter …

We propose an ultra-broadband mode converter based on the structure of a length-
apodized long-period grating, where π-phase shifts are introduced at strategic locations of …

A refractometric sensor based on a phase-shifted long-period fiber grating written by electric-
arc discharges is presented. Transmission and reflective configurations for refractive index …