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 …

Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

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

An ultra-high sensitivity open-cavity Fabry–Perot interferometer (FPI) gas refractive index
(RI) sensor based on the photonic crystal fiber (PCF) and Vernier effect is proposed and …

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 …

An ultrasensitive refractive index (RI) sensor based on enhanced Vernier effect is proposed,
which consists of two cascaded fiber core-offset pairs. One pair functions as a Mach …

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 …

A novel parallel structured fiber-optic Fabry-Perot interferometer (FPI) based on Vernier-
effect is theoretically proposed and experimentally demonstrated for ultrasensitive strain …

The field of hybrid optical fibers is one of the most active research areas in current fiber
optics and has the vision of integrating sophisticated materials inside fibers, which are not …