Compact interferometers based on waveguiding structures have found countless
applications in refractive index measurements, chemical sensing, as well as temperature …

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

In this introductory chapter we will begin with an historical outline of the development of
cavity enhanced absorption methods, with just enough attention to the applications that …

UV-Vis spectrometry has become a widespread analytical technique due to its inherent
features (eg, simplicity, ease of operation, convenience and economy). The necessity to …

Continuous-wave (cw) cavity-ringdown (CRD) spectroscopy provides a highly sensitive way
to measure optical absorption by observing the decay rate of light from a high-finesse optical …

An overview on high-resolution and fast interrogation of optical-fiber sensors relying on laser
reflection spectroscopy is given. Fiber Bragg-gratings (FBGs) and FBG resonators built in …

Absorption spectroscopy is potentially an attractive detection technique for microfluidic
applications, as it is universal, label-free, and rapid. However, the short optical pathlength …

Due to its simplicity, versatility, and straightforward interpretation into absolute
concentrations, molecular absorbance detection is widely used in liquid-phase analytical …

The theoretical description and experimental demonstration for pressure sensing
characterized over the spectrum shift of FBG and exponential property are reported, which …

Plasma-cavity ringdown spectroscopy (P-CRDS) was first introduced for trace elemental
measurements in 1997. During the last decade, this technique has rapidly advanced from …