Depending on various applications, the process control industry uses liquid-level sensors of
different principles. Due to the dynamic nature of liquid such as water, wastewater …

Fiber optic-based liquid-level sensors (FOLLSs) can work in harsh environments with
inherent advantageous features that only optical fiber offers, such as intrinsic safety …

In this work, a cost-effective procedure to manufacture optical fiber pressure sensors is
presented. This has a high relevance for integration in robotic exoskeletons or for gait …

Micro/nano manipulation for both mechanical and biological structures is currently a popular
research field. To protect small-scale structures and acquire their mechanical properties, a …

Air humidity is a parameter with relevant interest to a wide variety of areas, both in industry
or in domestic processes. Due to the growing demand on air humidity monitors, especially …

Having paved the way, this chapter discusses the use of OFSs in IoT. The current chapter
introduces the concept of IoT, highlighting the factors and motivation pushing towards a …

In this paper, we demonstrate both numerically and experimentally the capability to control
and enhance the hydrostatic pressure sensitivity of an adhesive based Fabry-Pérot (FP) …

In this work, a compact, near-hysteresis-free hydraulic pressure sensor is presented through
interface engineering in a GaN chip-scale optical device. The sensor consists of a monolithic …

This paper presents the characterization of polymer optical fibers (POFs) submitted to the
catastrophic fuse effect towards intensity-variation-based sensing of strain, transverse force …

A liquid level and refractive index double-parameter sensor made by sandwiching the
graded-index multimode fiber (GIMMF) between two pieces of very short stepped-index …