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 …

Optofluidic, as an emerging technology that combines photons and microfluidics, has
become a powerful, intelligent, and universal sensing platform in the field of bio‐chemical …

Thanks to the peculiarities of optical fiber and its ability to be combined with
nanotechnology, precise and accurate measurements of the changes in optical properties …

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 …

A Mach-Zehnder interferometer based on a twin-core fiber was proposed and
experimentally demonstrated for gas pressure measurements. The in-line Mach-Zehnder …

In recent years, optical fiber sensors have become most popular due to their unique
advantages. A review of optical fiber Mach–Zehnder interferometers (MZIs) with micro-cavity …

In-line fiber optic interferometers have attracted intensive attention for their potential sensing
applications in refractive index, temperature, pressure and strain measurement, etc. Typical …

An ultra-sensitive gas pressure sensor based on tapered single-mode fiber (SMF) coated
with thin polydimethylsiloxane (PDMS) film which works at turning around point (TAP) is …

Compact interferometers based on waveguiding structures have found countless
applications in refractive index measurements, chemical sensing, as well as temperature …

This paper presents a micro-machined, high-resolution refractive index sensor suitable for
monitoring of small changes in the composition of gases. Experimentally demonstrated …