Photonic crystal fibers are a kind of fiber optics that present a diversity of new and improved
features beyond what conventional optical fibers can offer. Due to their unique geometric …

Photonic crystal fiber sensors have potential application in environmental monitoring,
industry, biomedicine, food preservation, and many more. These sensors work based on …

We propose simple and compact methods for implementing all-fiber interferometers. The
interference between the core and the cladding modes of a photonic crystal fiber (PCF) is …

This paper presents a systematic review of long period fiber gratings (LPFGs) written by the
CO 2 laser irradiation technique. First, various fabrication techniques based on CO 2 laser …

We report a simple and compact modal interferometer for applications in refractometry. The
device consists of a stub of large-mode-area photonic crystal fiber (PCF) spliced between …

We report a compact fiber in-line Mach-Zehnder interferometer for refractive index sensing
with high sensitivity and precise sensing location. One arm of the interferometer contains a …

We present several simple sensitive fiber-optics-based sensors that utilize a biconical fiber
taper. A displacement sensor with 100-nm accuracy, a temperature monitor with sensitivity …

Long period gratings (LPGs) are fabricated by use of focused high frequency CO_2 laser
pulses to periodically modify the transverse dimension of silica microfibers. A 20-period LPG …

A simple, compact, and low-cost optical fiber refractive-index (RI) sensor is reported. It
consists of a multimode fiber in which a short section of standard single-mode fiber (SMF) is …

Optical microfibers (MF), as a connection between fiber optics and nanotechnology, can
realize enhanced light-matter/environment interactions, which benefit for optical sensing …