A wide range of applications such as health, human comfort, agriculture, food processing
and storage, and electronic manufacturing, among others, require fast and accurate …

In recent years, optical fiber sensors based on multimode interference (MMI) have attracted
increasing interest and developed into various sensors used in many practical applications …

During the last decades, both governments and companies have been committed to the
continuous checking of biological parameters, which can prevent extra costs to …

A novel fiber-optic sensing structure based on miniaturized modal interferometer (MMI) for
simultaneous refractive index (RI), strain and temperature measurement is proposed. It is …

Dispersion remains an enduring challenge for the characterization of wavelength-
dependent transmission through optical multimode fiber (MMF). Beyond a small spectral …

A simple-to-fabricate and highly sensitive optical fiber temperature sensor is presented. The
device consists of an optical microfiber mode interferometer embedded in a polymer with …

Concrete is the most commonly used construction material nowadays. With emerging cutting-
edge technologies such as nanomaterials (graphene, carbon nanotubes, etc.), advanced …

A novel, simple and compact optical fiber sensor based on multipath Mach-Zehnder
interferometer (m-MZI) is proposed and experimentally demonstrated. The device consists of …

We report the development of an optical fiber sensor capable of simultaneously measuring
strain, temperature and refractive index. The sensor is based on the combination of two fiber …

The multimode interference (MMI) concept has been comprehensively studied in the past
few years in order to develop new optical devices [1]. Typically, the MMI-based fiber device …