A singlemode-multimode-singlemode (SMS) fiber structure consists of a short section of
multimode fiber fusion-spliced between two SMS fibers. The mechanism underpinning the …

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 …

This tutorial reviews various noncontact optical sensing techniques that can be used to
measure distances to objects, and related parameters such as displacements, surface …

We have investigated the influence of multimode fiber core (MMFC) diameters and lengths
on the sensitivity of an SMS fiber based refractometer. We show that the MMFC diameter has …

Displacement measurements are of significant importance in a variety of critical scientific
and engineering fields, such as gravitational wave detection, geophysical research, and …

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

Pulse wave (PW) measurement is a highly prominent technique, used in biomedical
diagnostics. Development of novel PW sensors with increased accuracy and reduced …

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

A kind of fiber-optic magnetic field sensing structure based on no-core fiber (NCF) cascaded
with fiber Bragg gratings (FBGs) is proposed. The NCF is sandwiched between two pieces of …

This paper presents a low-cost, flexible, and highly efficient wheel polishing techniques for
the fabrication of sidepolished single mode-multimode-single mode fiber (SP-SMSF). The …