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 …

Oil and gas (O&G) explorations moving into deeper zones for enhanced oil and gas
recovery are causing serious safety concerns across the world. The sensing of critical …

A kind of temperature and magnetic field sensor using Fabry-Perot interferometers (FPIs)
and Vernier effect to enhance sensitivity is proposed. The sensor structure involves filling the …

A compact fiber-optic temperature sensor with hybrid interferometers enhanced by the
harmonic Vernier effect was proposed, which realized 36.9 times sensitization of the sensing …

An ultra-sensitive sensor, based on two Fabry–Perot interferometers (FPIs), has been
realized for temperature and pressure sensing. A polydimethylsiloxane (PDMS)-based …

A sensitivity-amplifying optical fiber sensor using cascaded Sagnac interferometers (CSIs)
was designed and experimentally demonstrated for the dual-parameter measurement of …

Optical Vernier effect has been recently demonstrated as a tool to enhance the sensitivity of
optical fiber interferometric sensors and has become a hot topic in the last few years. The …

In order to measure humidity and temperature simultaneously, a U-shaped microfiber strain
sensor coated with polyvinyl alcohol (PVA) nanofibers is proposed in this paper. The PVA …

A high-sensitivity and miniature open cavity Fabry–Perot interferometer (OCFPI)
encapsulated with the polydimethylsiloxane (PDMS) film based on the high-order harmonic …

In this work, we present a supermode interferometer for biosensing application. The
interferometer was fabricated with a segment of a seven-core fiber fusion-spliced to a …