This paper is an effort to introduce application of Long period fiber grating (LPG) sensors in
perpetual monitoring of industrial waste water effluent. A change in ambient refractive index …

Industrial effluent is largely being used for irrigation of crops. Hence, monitoring its pollution
level is essential to check its suitability for the purpose. We propose a simple and highly …

Fiber Bragg grating (FBG) and Long Period Grating (LPG) chemical sensors are one of the
most exciting developments in the field of optical fiber sensors. In this paper we have …

Accuracy in quantitative determination of trace elements like Zinc, present in drinking water
in ppm level, is a big challenge and optical fiber gratings as chemical sensors may provide a …

Optical fiber sensors based on waveguide technology are promising and attractive in
chemical, biotechnological, agronomy, and civil engineering applications. A microfluidic …

Purpose–The on‐line concentration and temperature measurement of solutions is of great
interest as a means of quality production control in many industrial processes, such as in …

Selectivity was added to a refractometric fiber sensor based on a long-period grating coated
with a film of gold nanoparticles by the functionalization with cysteamine. The sensor was …

The spectral response of uniform long period fiber grating is analyzed theoretically
considering fluoride contaminated water as its surrounding medium. The response is …

The continuous development of society has led to the flourishing of environmental chemistry
and biomedical fields, as well as to the research and development of novel functional …

In this article, a pH fiber‐optic sensor based on an air‐gap long period fiber grating (AG‐
LPG) in a multi‐modes fiber is proposed. Owing to the different pH solutions to cause the …