Fiber optic-based liquid-level sensors (FOLLSs) can work in harsh environments with
inherent advantageous features that only optical fiber offers, such as intrinsic safety …

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 …

An optical fiber sensor for simultaneous measurement of liquid level and temperature is
proposed and experimentally demonstrated. The sensor is formed by the integration of a no …

A new liquid level sensor based on in fiber Mach-Zehnder interferometer (MZI) is proposed
and demonstrated. The MZI is formed by cascading two peanut-shaped fiber structures in …

An ultra-compact in-core-parallel-written fiber Bragg grating (FBG) and Mach–Zehnder
interferometer (MZI) for simultaneous measurement of strain and temperature is described …

A fiber optic sensor capable of simultaneous measurement of liquid level and temperature is
proposed and demonstrated. The sensor is formed by the integration of an asymmetrical …

A single longitudinal mode (SLM) fiber laser with a ring cavity based on Sagnac
interferometer (SI) for temperature sensing in the 2-μm band is proposed and demonstrated …

In this article, a liquid level and refractive index double-parameter sensor with single-mode
fiber-tapered photonic crystal fiber (TPCF)-single-mode fiber structure is designed. We …

Abstract A Mach–Zehnder interferometer (MZI) for simultaneous measurement of liquid level
and temperature is proposed. It is formed by embedding a long-period fiber grating in the …

In this paper, a multi-parameter optical fiber sensor based on all-fiber in-line single-mode-
multimode-no-core-single-mode (SMNS) structure is proposed and experimentally …