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Gerald Farrell

Institution

TU Dublin

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Subjects

Physics

Engineering

Details
Publications 212
As first author 9
As last author 87
Unique topics 579
Collaborations 79
Patents 1
Sources 5
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2020

A miniature Fabry-Perot interferometer based on a movable microsphere reflector
2020

Color variation of the up-conversion luminescence in Er3+-Yb3+ Co-doped lead germanate glasses and microsphere integrated devices
2020

Crystal-field Engineering of Ultrabroadband Mid-infrared Emission in Co2+-doped Nano-chalcogenide Glass Composites
2020

High sensitivity, low temperature-crosstalk strain sensor based on a microsphere embedded Fabry- Perot interferometer
2020

Investigation on the polarization dependence of an angled polished multimode fibre structure
2019

Dissipative soliton generation in Er Er-doped fibre laser using SnS SnS2 as saturable absorber
2019

Efficient Spectral Compression of Wavelength-Shifting Soliton and Its Application in Integratable All-Optical Quantization
2019

Fused Silica Capillary Interferometer with a layer-by-layer Functional Coating for the Analysis of Chemicals Content in Aqueous Solutions
2019

Magnetic Field Sensor Based on a Tri-Microfiber Coupler Ring in Magnetic Fluid and a Fiber Bragg Grating
2019

Multiwavelength Q-switched pulse operation with gold nanoparticles as saturable absorber
2019

Nanosecond passively Q-switched fibre laser using a NiS2 based saturable absorber
2019

SNS OPTICAL FIBER STRUCTURE SENSOR FOR DIRECT DETECTION OF THE PHASE TRANSITION IN C18H38 N-ALKANE MATERIAL
2019

Temperature-Compensated Magnetic Field Sensing with a Dual-Ring Structure Consisting of Microfiber Coupler-Sagnac Loop and Fiber Bragg Grating - Assisted Resonant Cavity
2019

Temperature-insensitive refractometer based on an RI-modulated singlemode-multimode-singlemode fibre structure
2018

A Coated Spherical Micro-Resonator for Measurement of Water Vapor Concentration at ppm Levels in Very Low Humidity Environments
2018

A Comprehensive Experimental Study of Whispering Gallery Modes in a Cylindrical Micro-Resonator Excited by a Tilted Fiber Taper
2018

A High Sensitivity Temperature Sensor Based on Balloon-Shaped Bent SMF Structure with its Original Polymer Coating
2018

A Review of Multimode Interference in Tapered Optical Fibers and Related Applications
2018

A microfiber knot incorporating a tungsten disulfide saturable absorber based multi-wavelength mode-locked erbium-doped fiber laser
2018

A simple all-fiber comb filter based on the combined effect of multimode interference and Mach-Zehnder interferometer.
2018

An in-fibre whispering-gallery modes microsphere resonator based integrated device
2018

Broadband Multicolor Upconversion from Yb3+-Mn2+ Codoped Fluorosilicate Glasses and Transparent Glass Ceramics
2018

Chalcogenide glasses with embedded ZnS nanocrystals: potential mid-infrared laser host for divalent transition metal ions
2018

Compound glass microsphere resonator devices
2018

High Sensitivity Optical Fiber Sensors for Simultaneous Measurement of Methanol and Ethanol
2018

High sensitivity temperature sensor based on balloon-shaped bent SMF structure with its original polymer coating
2018

High sensitivity temperature sensor based on singlemode no-core-singlemode fibre structure and alcohol
2018

High-sensitivity salinity sensor based on optical microfiber coil resonator
2018

Highly Sensitive Twist Sensor Based on Partially Silver Coated Hollow Core Fiber Structure
2018

Highly sensitive strain sensor based on composite interference established within S-tapered multimode fiber structure
2018

Highly sensitive temperature sensor using packaged optical microfiber coupler filled with liquids
2018

Hollow Core Fiber Based Interferometer for High Temperature (1000 °C) Measurement
2018

Investigation of a novel SMS fiber based planar multimode waveguide and its sensing performance
2018

Investigation of temperature dependence of microfibre coil resonators
2018

Measurements of Milli-Newton Surface Tension Forces with Tilted Fiber Bragg Gratings
2018

Microdisk Resonator With Negative Thermal Optical Coefficient Polymer for Refractive Index Sensing With Thermal Stability
2018

Mid-Infrared Self-Similar Pulse Compression in a Tapered Tellurite Photonic Crystal Fiber and Its Application in Supercontinuum Generation
2018

Optical Fiber Fresnel Reflection Sensor for Direct Detection of the Solid-Liquid Phase Change in N-Octadecane
2018

Optical Fibre Sensors for Monitoring Phase Transitions in Phase Changing Materials
2018

Silica Gel Coated Spherical Micro resonator for Ultra-High Sensitivity Detection of Ammonia Gas Concentration in Air
2018

Simultaneous Measurement of Displacement and Temperature Based on Baloon - Shaped Bent SMF Structure Incorporating an LPG
2018

Simultaneous measurement of displacement and temperature based on a balloon-shaped bent SMF structure incorporating an LPG
2018

Singlemode-multimode-singlemode fibre structure for phase transition monitoring in phase changing materials
2018

Studies of Geometrical Profiling in Fabricated Tapered Optical Fbers Using Whispering Gallery Modes Spectroscopy
2018

Thermo-optic Tuning of a Packaged Whispering Gallery Mode Resonator Filled with Nematic Liquid Crystal
2018

Whispering Gallery Mode Micro Resonators for Multi-Parameter Applications
2017

A Packaged Whispering Gallery Mode Strain Sensor Based on a Polymer Wire Cylindrical Micro Resonator
2017

A Review of Multimode Interference in Tapered Optical Fibers and Related Applications.
2017

A Simple Optical Fiber Interferometer Based Breathing Sensor
2017

A humidity sensor based on a singlemode-side polished multimode-singlemode (SSPMS) optical fibre structure coated with gelatin
2017

Glass-ceramic optical fiber containing Ba2TiSi2O8 nanocrystals for frequency conversion of lasers
2017

High Sensitivity Ammonia Gas Sensor Based on a Silica-Gel-Coated Microfiber Coupler
2017

High Sensitivity Refractometer Based on Reflective Smf-Small Diameter No Core Fiber Structure.
2017

Magnetic Field Sensing Using Whispering Gallery Modes in a Cylindrical Microresonator Infilitrated With Ferronematic Liquid Crystal
2017

Magnetic Field Sensor Based on a Combination of a Microfiber Coupler Covered with magnetic Fluid and a Sagnac Loop
2017

Mid-Infrared Self-Similar Compression of Picosecond Pulse in an Inversely Tapered Silicon Ridge Waveguide
2017

Passive Photonic Integrated Ratiometric Wavelength Monitor with Resolution Better than 15PM
2017

Selective doping of Ni2+ in highly transparent glass-ceramics containing nano-spinels ZnGa2O4 and Zn1+xGa2-2xGexO4 for broadband near-infrared fiber amplifiers
2017

Silica Gel Coated Spherical Micro resonator for Ultra-High Sensitivity Detection of Ammonia Gas Concentration in Air.
2017

Simultaneous Measurement of Both Magnetic Field Strength and Temperature with a Microfiber Coupler Based Fiber Laser Sensor
2017

Strain Sensor Based on Grourd-Shaped Single-mode-multimode-single-mode Hybrid Optical Fibre Structure
2017

Strain sensor based on gourd-shaped single-mode-multimode-single-mode hybrid optical fibre structure
2017

Strain-Induced Spectral Tuning of the Whispering Gallery Modes in a Cylindrical Micro-Resonator Formed by a Polymer Optical Fiber
2017

Study of the Influence of the Agarose Hydrogel Layer Thickness on Sensitivity of the Coated Silica Microsphere
2016

Glass-ceramic optical fiber containing Ba2TiSi2O8 nanocrystals for frequency conversion of lasers.
2016

High Sensitivity Sol-Gel Silica Coated Optical Fiber Sensor for Detection of Ammonia in Water
2016

Investigation of Humidity and Temperature Response of a Silica Gel Coated Microfiber Coupler
2016

On-Chip Integratable All-optical Quantizer Using Strong Cross-Phase Modulation In A Silicon-Organic Hybrid Slot Waveguide
2016

Overview of Fiber Optic Sensor Technologies for Strain/Temperature Sensing Applications in Composite Materials
2016

Selective doping of Ni(2+) in highly transparent glass-ceramics containing nano-spinels ZnGa2O4 and Zn1+x Ga2-2x Ge x O4 for broadband near-infrared fiber amplifiers.
2016

Utilising a Loop Structure to Allow a Microfiber Coupler with Larger Taper Diameters to be Used for Sensing
2015

A Ratiometric Wavelength Measurement Based on a Silicon-on-Insulator Directional Coupler Integrated Device.
2015

High Sensitivity Refractive Index Sensor Based on a Tapered Small Core Single-Mode Fiber Structure.
2015

On-chip integratable all-optical quantizer using strong cross-phase modulation in a silicon-organic hybrid slot waveguide.
2015

Optical Fiber Sensors for Smart Composite Materials and Structures
2015

Optical Microfibre Based Photonic Components and Their Applications in Label-Free Biosensing.
2015

Overview of Fiber Optic Sensor Technologies for Strain/Temperature Sensing Applications in Composite Materials.
2015

Refractive Index Sensor Based on a Silica Microsphere Whispering Gallery Mode Resonator
2015

The Influence of Particle Content on the Equi-Biaxial Fatigue Behaviour of Magnetorheological Elastomers
2014

A Miniaturized Flexible Surface Attachable Interrogator for Hybrid Optical Fiber Sensing
2014

A Photonic Crystal Fiber Based Polarimetric Sensor for Cure Monitoring of Magneto-Rheological Smart Composite Material
2014

CMOS-compatible 2-bit optical spectral quantization scheme using a silicon-nanocrystal-based horizontal slot waveguide.
2014

Enhanced Broadband Parametric Wavelength Conversion in Silicon Waveguide With the Multi-Period Grating
2014

Experimental Study and Analysis of a Polymer Fiber Bragg Grating Embedded in a Composite Material
2014

Microfiber Coupler Based Biosensor Incorporating a Layer of Gold Nanoparticles with Improved Sensitivity
2014

Microfiber Coupler Based Label-Free Immunosensor
2014

Photonic Crystal Fiber Half-Taper Probe Based Refractometer
2014

Suppression of Raman Soliton Self-frequency Shift in Photonic Cystal Fibers with Tellurite Subwavelength Core
2013

Coherent Anti-Stokes raman Scattering Microscopy by Dispersive Wave Generations in a polarization Maintaining Photonic Crystal Fiber
2013

Effect of coating thickness on the sensitivity of a humidity sensor based on an Agarose coated photonic crystal fiber interferometer.
2013

Efficient Red-Shifted Dispersive Wave in a Photonic Crystal Fiber for Widely Tunable Mid-Infrared Wavelength Generation
2013

Enhanced Refractive Index Sensor Using a Combination of a Long Period Fiber Grating and a Small Core Singlemode Fiber Structure
2013

Experimental demonstration of a high-sensitivity humidity sensor based on an Agarose-coated transmission-type photonic crystal fiber interferometer.
2013

High Sensitivity Fiber Refractometer Based on an Optical Microfiber Coupler
2013

Hybrid Plasmonic Biosensor for Simultaneous Measurement of Both Thickness and Refractive Index
2013

Lumped Time-Delay Compensation Scheme for Coding Synchronization in the Nonlinear Spectral Quantization-Based All-Optical Analog-to-Digital Conversion
2013

Mid-Infrared Raman Sources Using Spontaneous Raman Scattering in Germanium Core Optical Fibers
2013

Novel Dielectric Loaded Plasmonic Waveguide for Tight-Confined Hybrid Plasmon Mode
2013

Packaged Chalcogenide Microsphere Resonator with High Q-factor
2013

Sensitivity Enhancement for a Multimode Fiber Sensor with an Axisymmetric Metal Grating Layer
2012

A Silica Single-Mode Fibre-Chalcogenide Multimode Fibre-Silica Single-Mode Fibre Structure
2012

A miniature optical breathing sensor.
2012

Chalcogenide Microsphere Fabricated from Fiber Tapers Using Contact With a High-Temperature Ceramic Surface
2012

Enhanced Refractometer Based on Periodically Tapered Small Core Singlemode Fiber
2012

Evanescent Field Coupling Between Two Parallel Close Contact SMS Fiber Structures
2012

Germanium Microsphere High-Q Resonator
2012

High Temperature Performance of an Optical Microfibre Coupler and Its Potential Use as a Sensor
2012

High-Q Bismuth-Silicate Nonlinear Glass Microsphere Resonators
2012

Optical Fibre Technology
2012

Photonic Crystal Fiber Interferometer for Dew Detection
2012

The Use of a Fiber Comb Filter Fabricated By a CO2 Laser Irradiation to Improve the Resolution of a Ratiometric Wavelength Measurement System
2011

A Comprehensive Analysis Verified by Experiment of a Refractometer Based on an SMF28–Small-Core Singlemode Fiber (SCSMF)–SMF28 Fiber Structure
2011

A Fiber-Optic Voltage Sensor Based on Macrobending Structure
2011

A High Sensitivity, Evanescent Feld Refractometric Sensor Based on Tapered Multimode Fiber Interference
2011

A Novel High Sensitive Optical Fiber Microphone Based on a Singlemode-Multimode-Singlemode Structure
2011

A Simple Ultrasensitive Displacement Sensor Based on a High Bend Loss Single-Mode Fibre and a Ratiometric Measurement System
2011

Comparing FBG and PCF Force Sensors in a Laparoscopic Smart Surgical Scissor Instrument
2011

Experimental Demonstration of an All-Fiber Variable Optical Attenuator Based on Liquid Crystal Infiltrated Photonic Crystal Fiber
2011

Fiber refractometer based on a fiber Bragg grating and single-mode-multimode-single-mode fiber structure.
2011

High sensitivity SMS fiber structure based refractometer--analysis and experiment.
2011

Humidity sensor based on a single-mode hetero-core fiber structure.
2011

Influence of Angular Orientation of the Embedded Highly Birefringent Fiber on Pmd Changes Under Axial Stress
2011

Investigation and Experimental Measurement of Scissor Blade Cutting Forces Using Fiber Bragg Grating Sensors.
2011

Investigation of Singlemode-Multimode-Singlemode and Singlemode-Tapered Multitmode-Singlemode Fibre Structures and Their Application for Refractive Index Sensing
2011

Lead Silicate Glass Microsphere Resonators With Absorption-Limited Q
2011

Light Coupling Between a Singlemode-Multimode-Singlemode (SMS) Fiber Structure and a Long Period Fiber Gating
2011

Liquid crystal infiltrated photonic crystal fibers for electric field intensity measurements.
2011

Numerical Study of an Ion-Exchanged Glass Waveguide Using Both Two-Dimensional and Three-Dimensional Models
2011

Photonic crystal fiber sensors for minimally invasive surgical devices.
2011

Proposal for a Simple Integrated Optical Ion Exchange Waveguide Polarizer with a Liquid Crystal Overlay
2011

The Influence of Thermal Expansion of a Composite Material on Embedded Polarimetric Sensors
2010

A Bend Loss Based Singlemode Fiber Micro-displacement Sensor
2010

A Fiber Bragg Grating-Based All-Fiber Sensing Systems for Telerobotic Cutting Applications
2010

A Hybrid Fiber Optic Sensing System for Simultaneous Strain and Temperature Measurement and its Application
2010

A Hybrid Highly Birefringent Fiber Optic Sensing System for Simultaneous Strain and Temperature Measurement
2010

A Liquid Crystal Coated Tapered Photonic Crystal Fiber Interferometer
2010

A Macrobending Singlemode Fiber Refractive Index Sensor for Low Refractive Index Liquids
2010

A Study of the Effect of the Position of an Edge Filter Within a Ratiometric Wavelength Measurement System
2010

A Voltage Sensor Based on a Singlemode-Multimode-Singlemode Fiber Structure
2010

Bent SMS Fiber Structure for Temperature Measurement
2010

Experimental Analysis and Demonstration of a Low Cost Fibre Optic Temperature Sensor System for Engineering Applications
2010

Experimental Demonstration of a Simple Displacement Sensor Based on a Bent Singlemode-Multimode-Singlemode (SMS) Fiber Structure
2010

Humidity Sensor Based on a Photonic Crystal Fiber Interferometer
2010

Optimum Design for Maximun Wavelength Resolution for an Edge Filter Based Ratiometric System
2010

Passive All-Fiber Wavelength Measurement Systems: Performance Determination Factors
2010

Polarization Dependence of an Edge Filter Based on Singlemode-Multimode-Singlemode Fibre
2010

Simple Design Technique for a Triangular FBG Filter Based on a Linearly Chirped Grating
2010

Strain sensor based on a pair of single-mode-multimode-single-mode fiber structures in a ratiometric power measurement scheme.
2010

Study of the effect of source signal bandwidth on ratiometric wavelength measurement.
2010

Temperature performance of a macrobending single-mode fiber-based refractometer.
2010

Use of a Bent Single SMS Fiber Structure for Simultaneous Measurement of Displacement and Temperature Sensing
2009

A Macrobending Singlemode Fiber Based Refractometer
2009

Analysis and Performance Evaluation of an All-Fiber Wide Range Interrogation System for a Bragg Grating Sensor Array
2009

Analysis of Strain Transfer to FBG’s for Sensorized Telerobotic End-effector Applications
2009

Analysis of Temperature Dependence for a Ratiometric Wavelength Measurement System Using SMS Fiber Structure Based Edged Filters
2009

Digital Camera Photographing in Measuring Propagation Loss Properties of Ion2exchange Planar Optical Waveguides
2009

Electronic Tunability of Ferroelectric Liquid Crystal Infiltrated Photonic Crystal Fibre
2009

Generalised Design Process for Fiber-bend-loss-based Edge Filters for a Wavelength Measurement System
2009

Generalized design process for fiber-bend-loss-based edge filters for a wavelength measurement system.
2009

High Resolution Temperature Insensitive Interrogation Technique for FBG Sensors
2009

Investigation of Polarization Dependent Loss for a Macrobending Loss
2009

Investigation of Polarization Dependent Loss for a Macrobending Loss Sensitive Singlemode Fiber
2009

Misalignment Limits for a Singlemode-multimode-singlemode Fiber-based Edge Filter
2009

SMS Fibre Structure for Temperature Measurement Using a Simple Intensity-Based Interrogation System
2009

Temperature Induced Instabilities in Macro-bend Fiber Based Wavelength Measurement Systems
2009

Use of a Single-Multiple-Single-Mode Fiber Filter for Interrogating Fiber Bragg Grating Strain Sensors with Dynamic Temperature Compensation
2008

A Low Polarization Sensitivity All-fiber Wavelength Measurement System
2008

An All-fiber Temperature Sensor Based on a Macro-bend Singlemode Fiber Loop
2008

Influence of Fiber Manufacturing Tolerances on the Spectral Response of a Bend Loss Based All-fiber Edge Filter
2008

Investigation on Singlemode-multimode-singlemode Fiber Structure
2008

Modelling and Analysis of the Effect of Noise on an Edge Filter Based Ratiometric Wavelength Measurement System
2008

Ratiometric Wavelength Monitor Based on Singlemode-Multimode-Singlemode Fiber Structure
2008

Temperature Dependence of Macrobending Loss in All-fiber Bend Loss Edge Filter
2008

Temperature Dependence of a Macrobending Edge Filter Based on a High-bend Loss Fiber
2007

A Method to Measure Reference Strain in FBG Strain Sensor Interrogation System Involving Actuators
2007

An Optimized Macrobending Fiber Based Edge Filter
2007

Effect of Polarisation-dependent Loss on the Performance Accuracy of a Ratiometric Wavelength Measurement System
2007

Effect of SNR of Input Signal on the Accuracy of a Ratiometric Wavelength Measurement System
2007

Integrated liquid-crystal switch for both TE and TM modes: proposal and design.
2007

Investigation of Macrobending Losses of Standard Single Mode Fiber with Small Bend Radii
2007

Macrobending Fiber Loss Filter, Ratiometric Wavelength Measurement and Application
2007

Polarisation Dependence of Bend Loss for a Standard Singlemode Fiber
2007

Polarization Dependence of Bend Loss for a Standard Singlemode Fiber
2007

Resolution Investigation of a Ratiometric Wavelength Measurement System
2007

Temperature Dependence of a Macrobending Edge Filter Based on a High-bend Loss Fiber
2006

All-Fiber Multimode-Interference-Based-Refractometer Sensor:Proposal and Design
2006

Bundling and diameter selectivity in HiPco SWNTs poly(p-phenylene vinylene-co-2,5-dioctyloxy-m-phenylene vinylene) composites.
2006

Design of Integrated Polarization Beam Splitter with Liquid Crystal
2006

Low-Cost Wavelength Measurement Based on a Macrobending Single-Mode Fiber
2006

Modeling Liquid-Crystal Devices with the Three-Dimensional Full-Vector Beam Propagation Method
2005

Electroabsorption Studies of Structurally Modified Fullerene Thin Films
2005

Interaction of Single Walled Carbon Nanotubes with Starch-based Systems
2005

Study of Transmission Response of Edge Filters Employed in Wavelength Measurements
2005

Temperature Dependent Spectroscopic Studies of HiPco SWNT Composites
2005

Temperature-induced nucleation of poly(p-phenylene vinylene-co-2,5-dioctyloxy-m-phenylene vinylene) crystallization by HiPco single-walled carbon nanotubes.
2005

Theoretical and Experimental Investigations of Macro-Bend Losses for Standard Single Mode Fibers
2004

Interaction of Carbon Nanotubes with Saccharides: a Possible Route to Biocompatible Composites
2004

Liquid Crystal Based Optical Switches
2004

Power Coupling Between Two Step-Index Multimode Fibers of Different Numerical Apertures with an Angular Misalignment
2004

Spectroscopic analysis of single-walled carbon nanotubes and semiconjugated polymer composites.
2003

Optical Switches Using Electro-Optical Effects in Liquid Crystals
1996

Theoretical Investigations of Electro-optical Synchonisation of Self-pulsating Laser Diodes
1995

Frequency Dependence of Phase Difference between Synchronised Self-pulsating Laser Emission and Injected Periodic Signals
1994

Comparison of Self Pulsation in Multisection Lasers with Distributed Feedback and Intracavity Satuarable Absorbers
1994

Instability in Self-Pulsation in Laser Diodes and its Effect on All-Optical Synchonization
1993

All optical timing extraction with frequency division using a twin section laser diode.
1993

The Influence of the Unlocked Characteristics of a Self-pulsating Laser Diode on Synchronisation
1992

All Optical Synchronisation with Frequency Division using a Self Pulsating Laser Diode
1992

All-optical Synchronisation and Frequency Division of Mode-locked Pulses
1992

All-optical Synchronisation and Multiplication of the Frequency of Mode-locked Signals
1992

All-optical clock distribution with synchronous frequency division and multiplication
1991

Self-propulsation Operating Regime for the Absorber of a Twin Section Laser Diode

These arethe5 unique sources for Gerald Farrell's 212 publications. A single publication may appear in multiple sources. Click on a name or publication count to see the publications for a particular source.

Source #
Ireland -> Dublin Institute of Technology 138
Ireland -> Dublin Institute of Technology -> PubMed 27
Ireland -> TU Dublin 178
Ireland -> Trinity College Dublin 2
Ireland -> University of Limerick 24
Aug 18, 1993

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