A Mini-Two-Path Mach–Zehnder Interferometer Sensor
In this paper, we propose an MTP-MZI sensor based on FMF. This sensor directly fuses an SFS and a section of SMF through discharge, forming a
Cascaded MZI and FPI Sensor for Simultaneous
In this paper, we propose and experimentally demonstrate a dual-parameter fiber optic sensor, which combines a Fabry–Perot interferometer (FPI)
Highly Sensitive Multiparametric Sensors Based on Mach–Zehnder
An all-fiber Mach–Zehnder interferometer (MZI) sensor for measuring temperature (low and high), curvature, strain, refractive index (RI), and taper curvature is proposed and experimentally
MZI-SPR fiber optic strain sensor with in-situ
Abstract Fiber optic strain and temperature sensors have important application value in fields such as petrochemicals and in-situ monitoring of batteries. This article proposes a Mach
Sensitivity-Enhanced Curvature Mini-Two-Path Mach-Zehnder
This paper presents a mini-two-path Mach-Zehnder interferometer (MTP-MZI) curvature sensor based on a seven-core fiber (SCF). The sensor consists of a reference path using a single
Dual-MZI sensitivity-enhanced U-shaped microfiber Vernier probe for
Here, the double-tapered single-mode fiber serves as the reference MZI, while the U-shaped microfiber functions as the sensing MZI. By precisely matching the free spectral ranges of
In-Fiber Mach–Zehnder Interferometers for Sensing
In-fiber Mach–Zehnder interferometers (MZIs) are based on the interference between two light beams transmitted in the functional optical fiber. They have the advantages of compact
[2409.09148] Widely tunable dual acousto-optic interferometric device
An all-fiber dual Mach-Zehnder interferometer (MZI) based on an acoustically modulated hollow-core fiber (HCF) is experimentally demonstrated for the first time.
Integrated temperature and humidity sensor based on
A novel, to the best of our knowledge, highly sensitive, and compact optical fiber sensor for measuring temperature and relative humidity (RH) is
Optical Fiber Sensors for High-Temperature Monitoring: A Review
Typical types of MZI sensors for high-temperature measurements realized with optical fiber tapers (a, b), core diameter mismatch (c, d), trench structure (e, f), laser micromachining (g, h): (a) MZI consists of
Highly sensitive humidity sensor based on aluminum-core liquid-metal
The microcavity MZI configuration is constructed by splicing three sections of single-mode fiber (SMF) and multimode fiber (MMF) with a large lateral offset. This thermo-optic transduction strategy
Multi-tapered polarization-maintaining fiber-optic sensor for
Abstract In this paper, a fiber-optic refractive index and temperature sensor based on Mach-Zehnder interferometer (MZI) is designed and fabricated. The sensor structure consists of a
Turning Fiber into a Sensing System: The Magic of
Imagine a world where the Internet doesn''t just connect but senses—detecting earthquakes, monitoring battery health, or safeguarding
Low-Cost FBG Interrogator Using Random Nanoparticle-Doped Fiber
The use of fiber Bragg gratings (FBGs) is widespread in a broad range of applications. However, one of the main drawbacks is the cost and practicality of FBG interrogation systems, which are generally
Simultaneous Measurement of Seawater Salinity and Temperature
In this article, an optical fiber temperature sensor with high sensitivity and a wide detection range based on a Mach-Zehnder interferometer (MZI) is proposed and experimentally
Fiber-integrated acousto-optic-modulator-based phase-controlled
Here, we demonstrate a fiber-integrated MZI architecture in which the interferometric phase is controlled electronically by a pair of double-pass acousto-optic modulators (AOMs).
Fabrication and Sensing Characteristics of Long-Period Fiber Grating
The two output ends of each coupler are approximately equal in length, to ensure that the optical path variations of the MZI only result from the differences in the lengths between the two HC
The growth of the global Fiber Optic Current Sensors (FOCS
The Fiber Optic Current Sensors (FOCS) market is poised for significant growth, projected to expand at a CAGR of 10.2% from 2026 to 2033.
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