The simple and highly sensitive measurement of the refractive index (RI) of liquids is critical
for designing the optical instruments and important in biochemical sensing applications …

Temperature measurements are of great importance in many fields of human activities,
including industry, technology, and science. For example, obtaining a certain temperature …

This paper presents a polymer optical fiber (POF)-based temperature sensor. The operation
principle of the sensor is the variation in the POF mechanical properties with the temperature …

This paper presents a polymer-optical-fiber (POF)-based sensor system for simultaneous
measurement of angle and temperature. The main contribution is obtaining a sensor with …

This paper presents a system capable of measuring temperature and relative humidity with
polymer optical fiber (POF) sensors. The sensors are based on variations of the Young's and …

The field of tunnel fire detection requires a Raman distributed temperature sensor (RDTS)
with high-accuracy and visual localization. A novel temperature demodulation method to …

We present a low-cost, handheld plastic optical fiber (POF) sensor for hydrogen sulfide (H 2
S) detection integrated onto a smartphone. The sensor uses smartphone flashlight as a …

A sensitive tapered optical fiber sensor incorporating graphene oxide (GO) and polyvinyl
alcohol (PVA) composite film for the rapid measurement of changes in relative humidity was …

In this study, an optical thermometer based on regenerated cellulose fibers modified with
YF3: 20% Yb3+, 2% Er3+ nanoparticles was developed. The presented sensor was …

In this article, a Mach Zehnder interference temperature sensor is proposed by tightly joining
a double-cladding tellurite optical fiber (DTF) between two sections of silica single-mode …