Prof. John M. Ballato Profile

Prof. John M. Ballato

Professor, Material Science and Engineering at Clemson Univ

SPIE Involvement:

Publications Committee | Fellow status | Conference Program Committee | Conference Chair | Conference Co-Chair | Track Chair | Author | Editor | Student Chapter Advisor

Area of Expertise:

optical materials , optical fiber

Websites:

Company Website

Profile Summary

John Ballato is a Professor of Materials Science and Engineering, Professor of Electrical and Computer Engineering, and Director of the Center for Optical Materials Science and Engineering Technologies (COMSET), which is a South Carolina Research Center of Economic Excellence. Previously, Dr. Ballato served as the interim Vice President for Research and Associate Vice President for Research and Economic Development at Clemson University where he championed the University’s research and economic development in all areas of advanced materials.

Dr. Ballato earned a BS in Ceramic Science and Engineering (1993) and the PhD in Ceramic and Materials Engineering (1997) from Rutgers, The State University of New Jersey. He has published over 200 archival scientific papers, holds 25 US and foreign patents, has given in excess of 125 invited lectures/colloquia, and has co-organized 25 national and international conferences and symposia.

He is a Fellow of the Optical Society of America (OSA), the International Society of Optical Engineering (SPIE), and the American Ceramic Society (ACerS).

Publications (43)

PROCEEDINGS ARTICLE | May 17, 2018

Thalium-doped nanoparticles and their properties in silica-based optical fibers

Proc. SPIE. 10683, Fiber Lasers and Glass Photonics: Materials through Applications

KEYWORDS: Optical fibers, Silica, Nanoparticles, Spectroscopy, Ions, Doping, Scanning electron microscopy, Aluminum, Thulium, Lanthanum

PROCEEDINGS ARTICLE | May 17, 2018

A unified materials approach to mitigating optical nonlinearities in fiber lasers

Proc. SPIE. 10683, Fiber Lasers and Glass Photonics: Materials through Applications

KEYWORDS: Optical fibers, Refractive index, Silica, Cladding, Glasses, Fiber lasers, Nonlinear optics, Aluminum, Raman scattering, Fluorine

PROCEEDINGS ARTICLE | May 14, 2018

Recent advances in holmium doped fibers for high-energy lasers (Conference Presentation)

Proc. SPIE. 10637, Laser Technology for Defense and Security XIV

KEYWORDS: Eye, Silica, Nanoparticles, Laser energy, Laser applications, Fiber lasers, Directed energy weapons, Phonons, Holmium, Laser safety

PROCEEDINGS ARTICLE | April 20, 2017

Internal cooling of fiber and disc lasers by radiation balancing and other optical and phonon processes: radiation-balanced lasers: new vistas in optical gain and refrigeration materials (Conference Presentation)

Proc. SPIE. 10121, Optical and Electronic Cooling of Solids II

KEYWORDS: Resonators, Laser processing, Solid state lasers, Fiber lasers, Solids, Phonons, Current controlled current source

PROCEEDINGS ARTICLE | March 7, 2017

Ho-nanoparticle-doping for improved high-energy laser fibers

Proc. SPIE. 10100, Optical Components and Materials XIV

KEYWORDS: Optical fibers, Silica, Nanoparticles, Ions, Doping, Fiber lasers, Holmium, Lutetium, Neptunium, Absorption

SPIE Conference Volume | June 30, 2016

Fiber Lasers XIII: Technology, Systems, and Applications

PROCEEDINGS ARTICLE | August 31, 2015

Transverse Anderson localization and image transport through disordered fibers

Proc. SPIE. 9546, Active Photonic Materials VII

KEYWORDS: Refractive index, Image compression, Scattering, Polymers, Glasses, Image quality, Image transmission, Geometrical optics, Active optics, Beam propagation method

SPIE Conference Volume | April 21, 2015

Fiber Lasers XII: Technology, Systems, and Applications

PROCEEDINGS ARTICLE | June 9, 2014

Compositional tuning of glass for the suppression of nonlinear and parasitic fiber laser phenomena

Proc. SPIE. 9081, Laser Technology for Defense and Security X

KEYWORDS: Optical fibers, Refractive index, Photoelasticity, Thermal optics, Silica, Scattering, Glasses, Fiber lasers, Raman scattering, Acoustics

SPIE Journal Paper | May 28, 2014

Chirped fiber Brillouin frequency-domain distributed sensing

Dragic, Peter , Mangognia, Anthony , Ballato, John

OE Vol. 53 Issue 05

KEYWORDS: Sensors, Signal to noise ratio, Fiber optics sensors, Scattering, Temperature metrology, Acoustics, Optical fibers, Receivers, Cadmium sulfide, Spatial resolution

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PROCEEDINGS ARTICLE | March 8, 2014

Image transport using Anderson localized modes in disordered optical fibers

Proc. SPIE. 8992, Photonic Instrumentation Engineering

KEYWORDS: Optical fibers, Refractive index, Polymethylmethacrylate, Visualization, Polymers, Image quality, Wave propagation, Picosecond phenomena, Beam propagation method, Photorefractive polymers

PROCEEDINGS ARTICLE | February 19, 2014

Anderson localized modes in a disordered glass optical fiber

Proc. SPIE. 8994, Photonic and Phononic Properties of Engineered Nanostructures IV

KEYWORDS: Refractive index, Waveguides, Scattering, Quartz, Glasses, Laser scattering, Electron microscopes, Scanning electron microscopy, Beam propagation method, Light wave propagation

PROCEEDINGS ARTICLE | May 29, 2013

Novel optical fibers for Brillouin-based distributed sensing

Proc. SPIE. 8722, Fiber Optic Sensors and Applications X

KEYWORDS: Optical fibers, Silica, Scattering, Cladding, Sensors, Fiber optics sensors, Sensing systems, Acoustics, Specialty optical fibers, Temperature metrology

PROCEEDINGS ARTICLE | May 23, 2013

Intrinsically-low Brillouin gain optical fibers

Proc. SPIE. 8733, Laser Technology for Defense and Security IX

KEYWORDS: Optical fibers, Refractive index, Photoelasticity, Silica, Waveguides, Scattering, Glasses, Laser scattering, Single mode fibers, Acoustics

PROCEEDINGS ARTICLE | March 22, 2013

Longitudinally graded optical fibers

Proc. SPIE. 8601, Fiber Lasers X: Technology, Systems, and Applications

KEYWORDS: Optical fibers, Refractive index, Silica, Scattering, Cladding, Signal attenuation, Glasses, Single mode fibers, Acoustics, Fluorine

PROCEEDINGS ARTICLE | March 6, 2013

Spectroscopic characterization and upconversion processes under ~1.5 um pumping in Er doped Yttria ceramics

Proc. SPIE. 8599, Solid State Lasers XXII: Technology and Devices

KEYWORDS: Spectroscopy, Energy transfer, Crystals, Ceramics, Ions, Laser applications, Erbium, Upconversion, Nanocrystals, Absorption

PROCEEDINGS ARTICLE | February 26, 2013

All-glass optical fibers derived from sapphire

Proc. SPIE. 8601, Fiber Lasers X: Technology, Systems, and Applications

KEYWORDS: Optical fibers, Refractive index, Photoelasticity, Silica, Scattering, Glasses, Laser scattering, Fiber lasers, Sapphire, Acoustics

PROCEEDINGS ARTICLE | November 1, 2012

Preparation and characterization of GaP colloidal nanoparticles and films

Proc. SPIE. 8411, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VI

KEYWORDS: Nanotechnology, Nanoparticles, Chemical species, Luminescence, Crystals, Transmission electron microscopy, Raman spectroscopy, Nanocrystals, Nanocomposites, Gallium

PROCEEDINGS ARTICLE | February 16, 2012

YAG-derived fiber for high-power narrow-linewidth fiber lasers

Proc. SPIE. 8237, Fiber Lasers IX: Technology, Systems, and Applications

KEYWORDS: Optical fibers, Fiber amplifiers, Optical amplifiers, Silica, Signal attenuation, Crystals, Fiber lasers, Ytterbium, YAG lasers, Acoustics

PROCEEDINGS ARTICLE | May 26, 2011

Sub-micron grained highly transparent sesquioxide ceramics: synthesis, processing, and properties

Proc. SPIE. 8039, Laser Technology for Defense and Security VII

KEYWORDS: FT-IR spectroscopy, Transparency, High power lasers, Crystals, Ceramics, Solid state lasers, Transmittance, YAG lasers, Laser systems engineering, Absorption

PROCEEDINGS ARTICLE | February 26, 2010

Progress in crystalline semiconductor core optical fibers

Proc. SPIE. 7598, Optical Components and Materials VII

KEYWORDS: Semiconductors, Optical fibers, Cladding, Crystals, Germanium, Silicon, Raman spectroscopy, Crystal optics, Crystallography, Single crystal X-ray diffraction

PROCEEDINGS ARTICLE | February 19, 2010

Challenges and opportunities of manufacturing the next generation of integrated photonics

Proc. SPIE. 7591, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics III

KEYWORDS: Optical components, Nanostructures, Dielectrics, Interfaces, Indium, Silicon, Manufacturing, Silicon films, Semiconducting wafers, Integrated photonics

PROCEEDINGS ARTICLE | December 2, 2009

Progress in semiconductor optical fibers

Proc. SPIE. 7630, Passive Components and Fiber-based Devices VI

KEYWORDS: Semiconductors, Optical fibers, Cladding, Glasses, Crystals, Germanium, Silicon, Raman spectroscopy, Optical semiconductors, Single crystal X-ray diffraction

PROCEEDINGS ARTICLE | October 5, 2009

Strain and temperature characterization of interferometric sensors based on ARROW fibers

Proc. SPIE. 7503, 20th International Conference on Optical Fibre Sensors

KEYWORDS: Optical fibers, Refractive index, Waveguides, Interferometers, Cladding, Sensors, Glasses, Interferometry, Head, Temperature metrology

PROCEEDINGS ARTICLE | February 14, 2008

The synthesis and properties of rare earth doped yttria and scandia for eye-safe single crystal and ceramic lasers

Proc. SPIE. 6871, Solid State Lasers XVII: Technology and Devices

KEYWORDS: Oxides, FT-IR spectroscopy, Nanoparticles, Particles, Crystals, Ceramics, Solid state lasers, Laser crystals, Crystallography, Single crystal X-ray diffraction

PROCEEDINGS ARTICLE | October 18, 2007

Engineered solution synthesis of rare-earth nanomaterials and their optical properties

Proc. SPIE. 6707, Penetrating Radiation Systems and Applications VIII

KEYWORDS: Polymers, Glasses, Particles, Crystals, Ceramics, Nanomaterials, Infrared radiation, Nanocrystals, Nanocomposites, Lanthanides

PROCEEDINGS ARTICLE | February 3, 2007

Design and experimental verification of a novel anisotropic photonic crystal band edge device

Proc. SPIE. 6480, Photonic Crystal Materials and Devices VI

KEYWORDS: Transmitters, Thin films, Polarization, Dielectrics, Photonic crystals, Receivers, Transform theory, Structural design, Microwave radiation, Anisotropy

PROCEEDINGS ARTICLE | October 2, 2006

Ultra-broadband amplification through nanotechnology

Proc. SPIE. 6389, Active and Passive Optical Components for Communications VI

KEYWORDS: Refractive index, Optical amplifiers, Nanoparticles, Polymers, Particles, Energy transfer, Ions, Erbium, Nanocomposites, Fluorine

PROCEEDINGS ARTICLE | March 3, 2006

The optical performance of perfluorocyclobutyl-based fluoropolymers and waveguides

Proc. SPIE. 6124, Optoelectronic Integrated Circuits VIII

KEYWORDS: Waveguides, Optical properties, Nanoparticles, Polymers, Glasses, Particles, Telecommunications, Erbium, Nanocomposites, Absorption

PROCEEDINGS ARTICLE | March 25, 2005

Polarization-enhanced optical transmission through plasmonic metal films with high aspect ratio apertures

Proc. SPIE. 5732, Quantum Sensing and Nanophotonic Devices II

KEYWORDS: Plasmonics, Visible radiation, Surface plasmons, Surface plasmon polaritons, Polarization, Dispersion, Metals, Crystals, Interfaces, Transmittance

PROCEEDINGS ARTICLE | November 10, 2003

Optical properties of perfluorocyclobutyl (PFCB) polymers

Proc. SPIE. 5212, Linear and Nonlinear Optics of Organic Materials III

KEYWORDS: Long wavelength infrared, Refractive index, Optical properties, Dispersion, Polymers, Ultraviolet radiation, Infrared spectroscopy, Infrared radiation, Short haul, Absorption

PROCEEDINGS ARTICLE | July 14, 2003

Novel perfluorocyclobutyl (PFCB) polymers containing isophorone-derived chromophore for electro-optic [EO] applications

Proc. SPIE. 4991, Organic Photonic Materials and Devices V

KEYWORDS: Thermography, Refractive index, Thermal optics, Argon, Polymers, Nitrogen, Chromophores, Electro optics, Fluorine, Electro optic polymers

PROCEEDINGS ARTICLE | July 1, 2003

Novel light detection and sensing devices based on optical nanocomposites

Proc. SPIE. 4999, Quantum Sensing: Evolution and Revolution from Past to Future

KEYWORDS: Photovoltaics, Organic photovoltaics, Sensors, Polymers, Composites, Photonic crystals, Chemical analysis, Biological and chemical sensing, Nanocomposites, Single walled carbon nanotubes

PROCEEDINGS ARTICLE | January 15, 2003

Processable high-carbon-yielding polymer for micro- and nanofabrication

Proc. SPIE. 4979, Micromachining and Microfabrication Process Technology VIII

KEYWORDS: Carbon, Optical fibers, Refractive index, Silica, Electrodes, Polymers, Capillaries, Silicon, Scanning electron microscopy, Polymerization

PROCEEDINGS ARTICLE | November 25, 2002

Theoretical performance of polymer optical fibers, planar waveguides, and amplifiers

Proc. SPIE. 4805, Design and Fabrication of Planar Optical Waveguide Devices and Materials

KEYWORDS: Refractive index, Optical amplifiers, Polymethylmethacrylate, Silica, Scattering, Signal attenuation, Dispersion, Polymers, Polymer optical fibers, Absorption

PROCEEDINGS ARTICLE | November 25, 2002

Direct micro-transfer molding of perfluorocyclobutyl (PFCB) polymer waveguides

Proc. SPIE. 4805, Design and Fabrication of Planar Optical Waveguide Devices and Materials

KEYWORDS: Thermography, Refractive index, Waveguides, Argon, Polymers, Chemistry, Photonic integrated circuits, Microfabrication, Photorefractive polymers, Polymer multimode waveguides

PROCEEDINGS ARTICLE | November 4, 2002

Integration of photonic bandgap composites with piezoelectric actuators for rejection wavelength tuning

Proc. SPIE. 4809, Nanoscale Optics and Applications

KEYWORDS: Actuators, Polymers, Glasses, Spectroscopy, Particles, Crystals, Composites, Reflectivity, Photonic crystals, Simulation of CCA and DLA aggregates

PROCEEDINGS ARTICLE | November 19, 2001

Tailoring hole transport and color tunability in organic light-emitting devices using single-wall carbon nanotubes

Proc. SPIE. 4590, BioMEMS and Smart Nanostructures

KEYWORDS: Organic light emitting diodes, Polymers, Composites, Electrons, Electroluminescence, Excitons, Nanocomposites, Single walled carbon nanotubes, Information operations, Carbon nanotubes

PROCEEDINGS ARTICLE | November 6, 2001

Property tailored perfluorocyclobutyl (PFCB) copolymers for optical devices

Proc. SPIE. 4439, Design, Manufacturing, and Testing of Planar Optical Waveguide Devices

KEYWORDS: Thermography, Optical components, Refractive index, Visible radiation, Optical properties, Polymers, Telecommunications, Polymerization, Fluorine, Absorption

PROCEEDINGS ARTICLE | November 2, 2001

Synthesis and characterization of optically nonlinear and light-emitting lanthanide borates

Proc. SPIE. 4452, Inorganic Optical Materials III

KEYWORDS: Chemical species, Luminescence, Crystals, Nonlinear optics, Neodymium, Lanthanum, Lanthanides, Crystallography, Single crystal X-ray diffraction, Absorption

PROCEEDINGS ARTICLE | November 2, 2001

Transparent silica glasses containing single-walled carbon nanotubes

Proc. SPIE. 4452, Inorganic Optical Materials III

KEYWORDS: Silica, Dispersion, Glasses, Composites, Nonlinear optics, Rayleigh scattering, Optical limiting, Nanocomposites, Single walled carbon nanotubes, Carbon nanotubes

PROCEEDINGS ARTICLE | April 27, 2001

Energy transfer and sensitization of Nd3+ using Eu3+ and Sm3+ for Nd laser application

Proc. SPIE. 4282, Rare-Earth-Doped Materials and Devices V

KEYWORDS: Glasses, Luminescence, Energy transfer, Ions, Xenon, Neodymium, Europium, Samarium, Laser systems engineering, Absorption

PROCEEDINGS ARTICLE | June 14, 2000

Understanding mechanics and stress effects in RAINBOW and THUNDER stress-biased actuators

Proc. SPIE. 3992, Smart Structures and Materials 2000: Active Materials: Behavior and Mechanics

KEYWORDS: Actuators, Ferroelectric materials, Metals, Ceramics, Dielectrics, 3D modeling, Finite element methods, Circuit switching, Performance modeling, Instrument modeling

Showing 5 of 43 publications

Conference Committee Involvement (29)

Micro-structured and Specialty Optical Fibres

1 April 2019 | Prague, Czech Republic

Fifth Workshop on Specialty Optical Fibers and Their Applications

11 October 2017 | Limassol, Cyprus

Micro-structured and Specialty Optical Fibres

26 April 2017 | Prague, Czech Republic

Fiber Lasers XIV: Technology and Systems

30 January 2017 | San Francisco, California, United States

Fiber Lasers XIII: Technology, Systems, and Applications

15 February 2016 | San Francisco, California, United States

Showing 5 of 29 published special sections

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