Optical fiber sensor operating at the dispersion turning point (DTP) has become a promising
building block for future development in biosensing application due to its ultrahigh …

Optical fiber sensors working at the dispersion turning point (DTP) have served as promising
candidates for various sensing applications due to their ultrahigh sensitivity. In this review …

Optical microfiber-based refractometer, which relies on modal interference operating near
the dispersion turning point (DTP), has attracted a high level of research interest. The …

High-sensitivity fiber-optic interferometric refractive index sensors (FIRSs) have been of
interest to researchers due to their potential to fabricate specific physical, chemical, and …

A refractive index (RI) fiber sensor with low detection limit but large dynamic range is
proposed and demonstrated using an exposed core microstructured optical fiber. The …

We propose and study an optical microfiber coupler (OMC) sensor working near the turning
point of effective group index difference between the even supermode and odd supermode …

High-resolution refractive index (RI) detection is of great significance in many fields such as
biomedical detection. Traditional optical fiber RI sensors based on spectral wavelength …

We propose and demonstrate an extremely simple yet novel sensing strategy for
measurements of a refractive index (RI) based on microwave-photonic optical fiber …

Wavelength tracking methods are widely employed in fiber-optic interferometers, but they
suffer from the problem of fringe order ambiguity, which limits the dynamic range within half …

Optical fiber sensors based on an interferometer structure play a significant role in
monitoring physical, chemical, and biological parameters in natural environments. However …