Poly (acrylic acid)(PAA), as a highly ionic conductive hydrogel, can reversibly swell/deswell
according to the surrounding pH conditions. An optical maskless stereolithography …

This paper presents a review of our work concerning the recent progress in fabrications and
applications of heating-induced long period fiber gratings (LPFGs). Firstly, three kinds of …

A high-sensitivity optical fiber dual-direction weak magnetic field sensor based on a
structural modulated ultralong period microfiber grating (SULPMG) is proposed. The …

In this work, tunable full waveband and adjustable spacing multi-wavelength erbium-doped
fiber laser (EDFL) based on the interferometric filtering performance of a bent single-mode …

As an important passive optical component, long-period fiber gratings (LPFGs) have all the
advantages of optical fiber sensors, such as anti-electromagnetic interference, corrosion …

A polarization-dependent all-fiber comb filter based on a combination effect of multimode
interference and Mach-Zehnder interferometer was proposed and demonstrated. The comb …

In this study, we propose a photoresist-free, laser-assisted wet chemical etching process
used to control the grating depth of a long-period fiber grating (LPFG) termed laser-assisted …

We propose and demonstrate the simulation and fabrication of an all-fiber orbital angular
momentum (OAM) mode converter capable of generating first-to fourth-order modes …

This paper presents a notched long-period fiber grating (NLPFG) for a gas sensor that was
produced by dry etching and includes a refractive index sensitive layer of tungsten trioxide …

A novel method to form asymmetrically corrugated long period fiber gratings (LPFGs) by
periodically scanning the unstripped optical fiber using the high-frequency CO 2 laser under …