Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

The mesmerizing properties of nanomaterials and the features offered by optical fibers can
be combined to result in an attractive new platform for chemical sensing. This review (with …

Compact interferometers based on waveguiding structures have found countless
applications in refractive index measurements, chemical sensing, as well as temperature …

This paper presents a micro-machined, high-resolution refractive index sensor suitable for
monitoring of small changes in the composition of gases. Experimentally demonstrated …

A temperature-compensated Fabry–Perot (FP) interferometric gas refractive-index (RI)
sensor, fabricated by inserting a single-mode fiber (SMF) and a hollow silica tube (HST) with …

A miniature and all-optical fiber sensor based on integration of Fabry–Perot interferometer
(FPI) and fiber Bragg grating (FBG) is proposed and experimentally demonstrated for …

A micro-cavity fiber Fabry-Perot interferometer based on dual capillaries is proposed and
demonstrated for gas pressure measurement. Such a device is fabricated by fusion splicing …

We report an ultrasensitive gas refractive index (RI) sensor based on optical nanofiber
couplers (ONCs). Theoretical analysis reveals that a dispersion turning point (DTP) exists …

In paper, an all-fiber Fabry-Pérot interferometer (FPI) sensor with cascaded micro-cavities is
presented to measure air pressure and temperature simultaneously. The proposed sensor …

A compact and simple double FP interference optical fiber optic gas pressure sensor based
on suspended core structure is proposed and demonstrated. The sensor is formed by …