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 …

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

Polydimethylsiloxane (PDMS) optical microspheres are fabricated and whispering gallery
modes with quality factors of 10 6 in the 1480 nm band are demonstrated. The dependence …

This paper describes the contribution of Fabry–Perot (FP) fiber optic temperature sensor to
investigate the effects of concrete hydration process. The FP temperature sensor was easily …

A simple multiwavelength Tm-doped fiber laser at the 2 μm band based on multimode
interference (MMI) is proposed and experimentally demonstrated. In this scheme, a 4 m Tm …

The strain and temperature dependencies of a step-index single-mode-multimode-single-
mode (SMS) fiber structure are investigated numerically and experimentally. For intensity …

Single-mode multimode single-mode (SMS) fiber optic sensors are characterized for
corrosion monitoring of steel rebars in NaCl and simulated concrete pore solutions. Three …

A novel fiber optic temperature sensor based on a liquid-core multimode interference device
is demonstrated. The advantage of such structure is that the thermo-optic coefficient (TOC) of …

In this article, a temperature sensor of single-mode-no-core-single-mode (SNCS) fiber
structure coated with polydimethylsiloxane (PDMS) is proposed and investigated. Due to the …

Single-mode/multi-mode/single-mode (SMS) fiber sensors are optimally designed and used
as high sensitivity temperature sensors in special temperature range. It is shown that the …