Fiber‐optic technology emerged originally for applications in data transmission and
telecommunications. However, sensors based on fiber‐optics have been developed rapidly …

Abstract The Internet-of-Things (IoT) has witnessed exponential growth over the past decade
and will significantly reshape human life from every aspect, eg, defense, environmental …

Ammonia nitrogen (ammonia or ammonium) is widely present in natural waters and can
significantly affect aquatic flora and fauna. It plays an extremely important role in human …

Optical fiber gratings (OFGs), especially long-period gratings (LPGs) and etched or tilted
fiber Bragg gratings (FBGs), are playing an increasing role in the chemical and biochemical …

Most volatile organic compounds (VOCs) are toxic, carcinogenic, and mutagenic, and can
have serious effects on human health and the ecological environment. Therefore, the …

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 …

Fiber-optics enable direct optical spectroscopy (from the infared to the ultraviolet; in
absorption, emission and plasmonic resonance) to be performed at inaccessible sites, over …

Porphyrins and related families of molecules are important organic modules as has been
reflected in the award of the Nobel Prizes in Chemistry in 1915, 1930, 1961, 1962, 1965 …

A humidity and temperature optical fiber sensor based on a long-period grating (LPG), which
can provide simultaneous response to both magnitudes, is proposed and demonstrated via …

This Letter reports a Fe-C coated long period fiber gratings sensor with a grating period of
387±0.1 μm for corrosion monitoring of low carbon steel in a 3.5 wt.% NaCl solution. An …