We propose a compact ultrasensitive gas pressure sensor based on two cascaded fiber
Mach-Zehnder interferometers (MZIs) with Vernier effect. Each MZI is composed of a hollow …

We have presented and demonstrated a fiber optic gas pressure sensor with ultra-high
sensitivity based on Vernier effect. The sensor is composed of two integrated parallel Mach …

A simple structured ultra-highly sensitive fiber optic gas pressure sensor with low
temperature cross sensitivity is proposed and demonstrated. The sensor is composed of two …

A Mach–Zehnder interferometer based on processed hollow-core fiber (HCF) is proposed
and experimentally demonstrated for gas pressure sensing. The fiber sensor is fabricated by …

A hybrid cascade structure composed of two Mach–Zehnder interferometers (MZI) is
proposed and demonstrated to measure gas pressure and temperature, simultaneously. The …

An ultrasensitive gas refractive index (RI) sensor based on fiber Mach–Zehnder
interferometers (MZIs) and Vernier effect is proposed and demonstrated. The sensor …

A Mach-Zehnder interferometer based on a twin-core fiber was proposed and
experimentally demonstrated for gas pressure measurements. The in-line Mach-Zehnder …

We propose and experimentally demonstrate a highly sensitive gas pressure sensor based
on a near-balanced Mach-Zehnder interferometer (MZI) and constructed by hollow-core …

A high sensitivity optical fiber gas pressure sensor based on the enhanced Vernier effect is
proposed. The sensor is composed of a fiber Fabry-Perot interferometer (FPI) and Mach …

A highly sensitive inline gas pressure sensor based on the hollow core Bragg fiber (HCBF)
and harmonic Vernier effect (VE) is proposed and experimentally demonstrated. By …