Polymer optical fiber (POF) level sensors have a lot of potential in liquid level sensing
because of their inherent safety, chemical corrosion resistance, anti-electromagnetic …

The monitoring of human physiological signs and body functions, such as respiration rate,
heart rate, foot pressure, and joint movement, plays an important role in medical advances …

Temperature measurements are of great importance in many fields of human activities,
including industry, technology, and science. For example, obtaining a certain temperature …

It is an enormous challenge for optical fiber sensors to intuitively achieve the simultaneous
measurement of both gas pressure and temperature with high sensitivity. To address this …

This review discusses recent achievements on grating fabrications in polymer optical fibers
doped with photosensitive materials. First, different photosensitive dopants in polymer …

The investigation of the bandwidth in multimode graded-index microstructured polymer
optical fiber (GI mPOF) with a solid core is proposed using a modal diffusion approach. For a …

A high sensitivity FBG humidity sensor coated with polyimide and graphene films is
proposed. The sensing probe is based on a fiber Bragg grating coated with an inner …

We investigate mode coupling in a multimode graded-index microstructured polymer optical
fiber (GI mPOF) with a solid core by solving the time-independent power flow equation (TI …

In this paper, fiber sensor based on Vernier effect for simultaneous measurement of relative
humidity (RH) and temperature is proposed. The sensor is fabricated by coating two kinds of …

Human physiological signal monitoring is a key factor in diagnosing health conditions, such
as monitoring heart rate and respiration. To meet the increasing monitoring requirements …