Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

A review of the salinity measurement technology based on the optical fiber sensor is
presented. The principles of optical fiber measurement, the structures of probes and the …

The use of sensors in the real world is on the rise, providing information on medical
diagnostics for healthcare and improving quality of life. Optical fiber sensors, as a result of …

Fiber optic interferometers to sense various physical parameters including temperature,
strain, pressure, and refractive index have been widely investigated. They can be …

An ultra-high sensitivity open-cavity Fabry–Perot interferometer (FPI) gas refractive index
(RI) sensor based on the photonic crystal fiber (PCF) and Vernier effect is proposed and …

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 …

We propose and demonstrate a thinned fiber based Mach-Zehnder interferometer for multi-
purpose sensing applications. The sensor head is formed by all-fiber in-line singlemode …

Fibre Bragg grating (FBG) pressure sensors show a great potential in replacing conventional
electrical pressure sensors due to their numerous advantages. However, increasing their …

We report a miniaturized fiber inline Fabry-Perot interferometer (FPI), with an open micro-
notch cavity fabricated by one-step fs laser micromachining, for highly sensitive refractive …

We demonstrate a fiber in-line Fabry-Perot interferometer cavity sensor for refractive index
measurement. The interferometer cavity is formed by drilling a micro-hole at the cleaved …