The aim of this paper is to provide a comprehensive review of mode-division and spatial-
division optical fiber sensors, mainly encompassing interferometers and advanced fiber …

Recent developments in fiber-optic sensing have involved booming research in the design
and manufacturing of novel micro-structured optical fiber devices. From the conventional …

We present a comprehensive study of the strain and temperature-sensing characteristics of
single-mode–multimode–single-mode (SMS) structures based on the modal interference of …

A novel all-fiber refractometer sensor is proposed, which is based on multimode interference
in the multimode fiber core section sandwiched between two single-mode fibers. A wide …

Photonics is a fast and galloping technology related to both microwave and optics science.
Photonics is a very vast and distinctive field in recent days. Due to the enlarged difficulty of …

The proposed sensing device relies on the self-imaging effect that occurs in a pure silica
multimode fiber (coreless MMF) section of a single-mode–multimode–single-mode (SMS) …

Single-mode-multimode-single-mode (SMS) fiber structures have been demonstrated to be
a simple and effective way to realize multimode interference (MMI) in optical fibers. The …

A novel relative humidity sensor based on a singlemode-side polished multimode-
singlemode fibre structure coated with gelatin material is reported. The sensing principle …

We experimentally demonstrate a new compact surrounding refractive-index sensor using a
MMF-CSF-MMF (MCM) structure. The evanescent waves in the coreless silica fibre (CSF) …

An interrogation technique for fiber Bragg grating (FBG) sensor is devised with customized
in-line edge filtering single-multi-single mode fiber (SMS) component and optical time …