The optical analog of the Vernier effect applied to fiber interferometers is a recent tool to
enhance the sensitivity and resolution of optical fiber sensors. This effect relies on the …

Fiber-optic sensors have developed rapidly because of their excellent sensing
performances and abilities to detect in remote and harsh environments. However, on some …

Featured Application This article is an extensive overview of the different types of in-fiber
interferometric-based sensors and their technology. Abstract In-fiber interferometric-based …

For decades, optical fiber interferometers have been extensively studied and applied for
their inherent advantages. With the rapid development of science and technology, fiber …

The optical Vernier effect magnifies the sensing capabilities of an interferometer, allowing for
unprecedented sensitivities and resolutions to be achieved. Just like a caliper uses two …

This paper proposes and demonstrates an ultrasensitive refractive index (RI) sensor based
on harmonic Vernier effect (HEV) and a cascaded Fabry–Perot interferometer (FPI). The …

In this article, an ultra-sensitive optical sensor based on vernier effect for glucose
concentration measurement is reported. First of all, the structure of lateral offset single side …

This article introduces a label-free DNA sensor based on the double microcavities Fabry–
Perot (FP) interference and Vernier effect. The sensor can simultaneously monitor the …

A novel temperature sensor based on rare earth fiber peanut (REFP) shape structure in fiber
ring laser (FRL) is proposed and demonstrated. A single-mode rare earth doped fiber is …

A new reflective fiber-optic Fabry-Perot (FP) salinity sensor is proposed with a section of
open liquid cavity, which ensures that the seawater flows in and out freely, and the seawater …