4.5 Review

Advances in Multicore Fiber Grating Sensors

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Article Engineering, Electrical & Electronic

Characterization and calibration of shape sensors based on multicore optical fibre

Ravil Idrisov et al.

Summary: Characterization and calibration procedures are crucial for achieving high accuracy in shape measurement with multicore optical fibres. Applying calibration corrections can significantly reduce errors in curvature calculation and improve the overall accuracy of curvature measurement.

OPTICAL FIBER TECHNOLOGY (2021)

Article Engineering, Electrical & Electronic

Multipoint Bending Measurement Using Multicore Fiber Bragg Grating and Two-Photon Absorption Process in Si-APD

Naohiro Sonoda et al.

Summary: The proposed fiber optic multi-point bending measurement system utilizes TPA photocurrent from Si-APD to measure optical intensity, allowing measurement of reflection spectra of multiple Bragg gratings in MCF and accurate measurement of bending radius and direction.

IEEE SENSORS JOURNAL (2021)

Article Engineering, Electrical & Electronic

Curvature, twist and pose measurements using fiber Bragg gratings in multi-core fiber: A comparative study between helical and straight core fibers

Fouzia Khan et al.

Summary: This paper presents a technique for comparing the measurement accuracy of two multi-core fibers with straight cores and helical cores. The results show that the twist measurement error is significantly lower with the helical core fiber, making it more suitable for applications where twist measurements are required.

SENSORS AND ACTUATORS A-PHYSICAL (2021)

Article Engineering, Electrical & Electronic

Three-Dimensional Vector Accelerometer Using a Multicore Fiber Inscribed With Three FBGs

Rui Zhou et al.

Summary: The fiber-optic three-dimensional vector accelerometer designed and characterized for vibration measurement is based on fiber Bragg gratings inscribed with seven cores of fiber. It is capable of obtaining vibration acceleration information in the XYZ directions, enhancing application in small-scale seismic surveys.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2021)

Article Optics

Enabling long range distributed vibration sensing using multicore fiber interferometers

Zhiyong Zhao et al.

Summary: The novel fiber optic vibration sensor utilizes two counter-propagating interferometers to extend the sensing range significantly. The spatially separated structure of the interferometers allows for good correlation in the output waveforms, enabling direct determination of vibration location without the need for complicated data processing methods.

OPTICS LETTERS (2021)

Article Optics

Plasmonic sensors based on tilted Bragg gratings in multicore optical fibers

Angel Ortega-Gomez et al.

Summary: Bare and gold-coated tilted fiber Bragg gratings (TFBGs) are mature technologies for volume and surface refractometric sensing. Efforts are being made to produce more sensitive sensors for high-resolution screening of surroundings and detection of rare events. This study explores the development of TFBG refractometers in 4-core fibers, achieving high sensitivity and surface sensitivity with DNA probes immobilization as proof.

OPTICS EXPRESS (2021)

Article Optics

Experimental study of the influence of FBG length on optical shape sensor performance

Ignazio Floris et al.

OPTICS AND LASERS IN ENGINEERING (2020)

Article Engineering, Electrical & Electronic

All-Fiber Two-Dimensional Inclinometer Based on Bragg Gratings Inscribed in a Seven-Core Multi-Core Fiber

Jingxian Cui et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2020)

Article Engineering, Electrical & Electronic

Pose Measurement of Flexible Medical Instruments Using Fiber Bragg Gratings in Multi-Core Fiber

Fouzia Khan et al.

IEEE SENSORS JOURNAL (2020)

Article Robotics

Improved FBG-Based Shape Sensing Methods for Vascular Catheterization Treatment

Omar Al-Ahmad et al.

IEEE ROBOTICS AND AUTOMATION LETTERS (2020)

Review Optics

Distributed multicore fiber sensors

Zhiyong Zhao et al.

OPTO-ELECTRONIC ADVANCES (2020)

Article Engineering, Electrical & Electronic

Refractometer With Etched Chirped Fiber Bragg Grating Fabry-Perot Interferometer in Multicore Fiber

Sema Guvenc Kilic et al.

IEEE PHOTONICS TECHNOLOGY LETTERS (2019)

Article Engineering, Electrical & Electronic

Multi-Core Optical Fibers With Bragg Gratings as Shape Sensor for Flexible Medical Instruments

Fouzia Khan et al.

IEEE SENSORS JOURNAL (2019)

Article Engineering, Multidisciplinary

Effects of core position uncertainty on optical shape sensor accuracy

Ignazio Floris et al.

MEASUREMENT (2019)

Article Computer Science, Information Systems

Simultaneous Distributed Vibration and Temperature Sensing Using Multicore Fiber

Yunli Dang et al.

IEEE ACCESS (2019)

Article Engineering, Electrical & Electronic

Long Period Gratings in Multicore Optical Fibers for Directional Curvature Sensor Implementation

David Barrera et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2018)

Article Engineering, Multidisciplinary

Recent developments in fibre optic shape sensing

Moe Amanzadeh et al.

MEASUREMENT (2018)

Review Engineering, Multidisciplinary

Review of optical fiber bending/curvature sensor

Qi Wang et al.

MEASUREMENT (2018)

Article Engineering, Electrical & Electronic

Enabling Simultaneous DAS and DTS Through Space-Division Multiplexing Based on Multicore Fiber

Zhiyong Zhao et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2018)

Article Engineering, Electrical & Electronic

Distributed Vibration Sensor Based on Space-Division Multiplexed Reflectometer and Interferometer in Multicore Fiber

Zhiyong Zhao et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2018)

Article Engineering, Multidisciplinary

Bio-inspired all-optical artificial neuromast for 2D flow sensing

Ben J. Wolf et al.

BIOINSPIRATION & BIOMIMETICS (2018)

Article Engineering, Electrical & Electronic

Microwave Photonic Filtering for Interrogating FBG-Based Multicore Fiber Curvature Sensor

Di Zheng et al.

IEEE PHOTONICS TECHNOLOGY LETTERS (2017)

Article Engineering, Electrical & Electronic

Femtosecond Laser Inscription of Fiber Bragg Grating in Twin-Core Few-Mode Fiber for Directional Bend Sensing

Kaiming Yang et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2017)

Article Engineering, Electrical & Electronic

Continuous Multicore Optical Fiber Grating Arrays for Distributed Sensing Applications

Paul S. Westbrook et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2017)

Article Engineering, Multidisciplinary

Simultaneous measurement of curvature and temperature based on LP11 mode Bragg grating in seven-core fiber

Yunshan Zhang et al.

MEASUREMENT SCIENCE AND TECHNOLOGY (2017)

Article Engineering, Electrical & Electronic

Spatially Arrayed Long Period Gratings in Multicore Fiber by Programmable Electrical Arc Discharge

Ruoxu Wang et al.

IEEE PHOTONICS JOURNAL (2017)

Article Engineering, Electrical & Electronic

Dense Space-Division Multiplexed Transmission Systems Using Multi-Core and Multi-Mode Fiber

Takayuki Mizuno et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2016)

Article Engineering, Electrical & Electronic

Multicore Fiber Technology

Kunimasa Saitoh et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2016)

Article Engineering, Electrical & Electronic

Fabrication of a Multifiber Optical Inclinometer

Gary A. Miller

IEEE PHOTONICS TECHNOLOGY LETTERS (2015)

Article Engineering, Electrical & Electronic

Multipoint Two-Dimensional Curvature Optical Fiber Sensor Based on a Nontwisted Homogeneous Four-Core Fiber

David Barrera et al.

JOURNAL OF LIGHTWAVE TECHNOLOGY (2015)

Article Optics

Making spatial multiplexing a reality

Peter J. Winzer

NATURE PHOTONICS (2014)

Article Optics

Demonstration of uniform multicore fiber Bragg gratings

Emma Lindley et al.

OPTICS EXPRESS (2014)

Article Optics

All-solid multi-core fiber-based multipath Mach-Zehnder interferometer for temperature sensing

Zhiyong Zhao et al.

APPLIED PHYSICS B-LASERS AND OPTICS (2013)

Article Optics

On-line writing identical and weak fiber Bragg grating arrays

Huiyong Guo et al.

CHINESE OPTICS LETTERS (2013)

Article Engineering, Electrical & Electronic

Free-Space Coupling Optics for Multicore Fibers

Werner Klaus et al.

IEEE PHOTONICS TECHNOLOGY LETTERS (2012)

Article Engineering, Electrical & Electronic

Low Loss Optical Connection Module for Seven-Core Multicore Fiber and Seven Single-Mode Fibers

Yusaku Tottori et al.

IEEE PHOTONICS TECHNOLOGY LETTERS (2012)

Article Engineering, Electrical & Electronic

Fiber-Optic Curvature Sensor Based on Cladding-Mode Bragg Grating Excited by Fiber Multimode Interferometer

Wenjun Zhou et al.

IEEE PHOTONICS JOURNAL (2012)

Article Optics

Supermodes for optical transmission

Cen Xia et al.

OPTICS EXPRESS (2011)

Article Engineering, Electrical & Electronic

Highly Sensitive Bend Sensor Based on Bragg Grating in Eccentric Core Polymer Fiber

Xianfeng Chen et al.

IEEE PHOTONICS TECHNOLOGY LETTERS (2010)

Article Optics

Efficient multi-mode to single-mode coupling in a photonic lantern

Danny Noordegraaf et al.

OPTICS EXPRESS (2009)

Article Engineering, Electrical & Electronic

Two-axis temperature-insensitive accelerometer based on multicore fiber Bragg gratings

Amanda Fender et al.

IEEE SENSORS JOURNAL (2008)

Article Engineering, Multidisciplinary

Tunnel monitoring using multicore fibre displacement sensor

W. N. MacPherson et al.

MEASUREMENT SCIENCE AND TECHNOLOGY (2006)

Article Engineering, Electrical & Electronic

Differential phase tracking applied to Bragg gratings in multi-core fibre for high accuracy curvature measurement

GMH Flockhart et al.

ELECTRONICS LETTERS (2006)

Article Engineering, Multidisciplinary

Pitch and roll sensing using fibre Bragg gratings in multicore fibre

WN MacPherson et al.

MEASUREMENT SCIENCE AND TECHNOLOGY (2004)

Article Engineering, Electrical & Electronic

Bend measurement using Bragg gratings in multicore fibre

MJ Gander et al.

ELECTRONICS LETTERS (2000)