The results showed that this kind of FLRDS fiber optic chemical sensors can be applicable to trace chemicals in water solutions. Moreover, fiber optic sensors ...

PDF | On Sep 25, 2020, Malik KAYA published Fiber optic chemical sensors for water testing by using fiber loop ringdown spectroscopy technique | Find, ...

Waveguide-based cavity ring-down spectroscopy (CRD) can be used for quantitative measurements of chemical concentrations in small amounts of liquid, ...

Background: The fiber-loop ring-down spectroscopy technique has the benefits of optical fiber sensors and also has many unique advantages. Combined with various ...

The Fiber Loop Ringdown (FLRD) spectroscopy is a multi-functional fiber optic measurement technique that is evolved from the Cavity Ringdown Spectroscopy (CRDS) ...

Oct 30, 2019 · This review covers work on fiber optic chemical sensors and biosensors (FOCS) published in the time between October 2015 and October 2019 ...

Fiber loop ringdown (FLRD) utilizes an inexpensive telecommunications light source, a photodiode, and a section of single-mode fiber to form a uniform fiber ...

Fiber loop ringdown (FLRD) spectroscopy evolves directly from cavity ringdown spectroscopy, using a section of optical waveguide to replace the mirror-based ...

Abstract. An optical fiber relative humidity (RH) sensor based on the evanescent field-fiber loop ringdown (EF-FLRD) technique is demonstrated.

This new type of fiber optic water sensor will have broad applications in long-term monitoring of presence/absence of water inside concrete as well as in ...