Thanks to the peculiarities of optical fiber and its ability to be combined with
nanotechnology, precise and accurate measurements of the changes in optical properties …

The development of reliable, affordable and efficient sensors is a key step in providing tools
for efficient monitoring of critical environmental parameters. This review focuses on the use …

A novel refractive index (RI) sensor based on a fiber Mach-Zehnder interferometer was
realized by concatenating two single-mode fiber tapers separated by a middle section. The …

In-line fiber optic interferometers have attracted intensive attention for their potential sensing
applications in refractive index, temperature, pressure and strain measurement, etc. Typical …

An approach of phase-shift transform is proposed and demonstrated to suppress the
interference fading in phase sensitive optical time domain reflectometry (Φ-OTDR). The …

We report a highly sensitive refractive index (RI) sensor based on three cascaded single-
mode fiber tapers, in which a weak taper is sandwiched between the two tapers to improve …

Novel in-line single-mode fiber interferometers—Mach–Zehnder and Michelson—have been
designed, fabricated, and tested as refractive index (RI) sensors. Abrupt tapers and …

An ultracompact optical fiber sensor based on a Mach-Zehnder interferometer (MZI)
embedded in fiber Bragg grating (FBG) is proposed and experimentally demonstrated for …

An optical fiber sensor based on a fiber surface waveguide and Bragg grating is proposed
for a simultaneous refractive index (RI) and temperature sensing. The device consists of two …

Rapid advances in optical microfiber and nanofibers (MNF) based sensors have been
driven by powerful industries such as automotive, biomedical and defense, with the …