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 …

Multimode fiber (MMF) sensors have been extensively developed and utilized in various
sensing applications for decades. Traditionally, the performance of MMF sensors was …

In this study, the finite element method (FEM) for phased array technology in ultrasonic time
of flight diffraction (TOFD) for the defect detection of two-dimensional (2-D) geometric …

A new method about the multi-fault condition monitoring of slurry pump based on principal
component analysis (PCA) and sequential probability ratio test (SPRT) is proposed. The …

In this manuscript, a simple and innovative Mach-Zehnder interferometer (MZI) based on few-
mode fiber (FMF) cascaded with a core-offset structure is presented to measure seawater …

Food safety is of obvious importance, but there are frequent problems caused by foodborne
pathogens that threaten the safety and health of human beings worldwide. Although the …

We have proposed a high sensitive photonic crystal fiber (PCF) strain sensor based on the
Mach-Zehnder interferometer (MZI). The sensing head is formed by all-fiber in-line single …

An all-fiber sensor based on a Mach-Zehnder interferometer (MZI) is proposed and
experimentally demonstrated to measure directional torsion and strain simultaneously. The …

We demonstrated a fiber in-line Mach-Zehnder interferometer (MZI) coated with platinum (Pt)
for the simultaneous measurement of strain and temperature. The sensor was fabricated by …

A novel structure of photonic crystal fiber (PCF) Mach-Zehnder interferometer (MZI) for
temperature and relative humidity measurement is proposed. The novel structure is …