Dr. Timothy J. Bunning Profile

Dr. Timothy J. Bunning

Chief Technology Officer

SPIE Involvement:

Fellows Committee | Conference Program Committee | Author

Publications (66)

Proceedings Article | 30 September 2024 Presentation

Pushing the boundaries of photoalignment

Michael McConney, Steven Wolf, Kyung Min Lee, Sarah Hicks, Elizabeth Bernhardt, Nelson Tabiryan, Timothy Bunning

Proceedings Volume PC13121, PC131210C (2024) https://doi.org/10.1117/12.3028376

KEYWORDS: Polymers, Liquid crystals, Reflection, Optical properties, Optical lithography, Matrices, Holography, Electrical phenomena, Electric fields

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Proceedings Article | 18 June 2024 Presentation + Paper

Electro-optic tuning of terahertz Yagi-Uda antenna arrays through liquid crystal reorientation

Ivan Yakovkin, Victor Yu. Reshetnyak, Timothy Bunning, Dean Evans

Proceedings Volume 13016, 1301603 (2024) https://doi.org/10.1117/12.3017639

KEYWORDS: Antennas, Liquid crystals, Terahertz radiation, Absorbance, Electrooptics, Tunable metamaterials, Plasmonics

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Proceedings Article | 13 March 2024 Presentation

Recent work in color changing polymer stabilized cholesteric liquid crystals in response to e-fields

Michael McConney, Brian Radka, Kyung Min Lee, Nicholas Godman, Timothy White, Timothy Bunning

Proceedings Volume PC12907, PC1290703 (2024) https://doi.org/10.1117/12.3003147

KEYWORDS: Liquid crystals, Polymers, Color, Mixtures, Deformation, Photopolymerization, Molecular self-assembly, Holography, Electric fields, Doping

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Proceedings Article | 13 March 2024 Presentation

Keys to fabricating high-quality geo-phase planar optics

Nelson Tabiryan, Jonathan Slagle, Michael McConney, Timothy Bunning

Proceedings Volume PC12907, PC129070C (2024) https://doi.org/10.1117/12.3006433

KEYWORDS: Tolerancing, Wave plates, Polarization, Phase modulation, Optical transmission, Optical components, Multilayers, Materials processing, Fabrication, Engineering

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Proceedings Article | 13 March 2024 Presentation

Advanced photonics polymers and related display concepts

Nelson Tabiryan, Jonathan Slagle, Michael McConney, Timothy Bunning

Proceedings Volume 12909, 129090A (2024) https://doi.org/10.1117/12.3006278

KEYWORDS: Polymers, Photonics, Liquid crystals, LCDs, Optical design, Optical components, Visible radiation, Thin films, Photonic crystals, Materials processing

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Proceedings Article | 13 March 2024 Poster

Phase behavior of blue phase liquid crystals stabilized with nanomaterials

Kyung Min Lee, Urice Tohgha, Timothy Bunning, Nicholas Godman, Michael McConney

Proceedings Volume PC12907, PC129070P (2024) https://doi.org/10.1117/12.3000201

KEYWORDS: Liquid crystals, Nanoparticles, Nanomaterials, Optical properties, Spherical lenses, Thermal stability, Temperature metrology, Reflection, Optical spheres

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Proceedings Article | 3 October 2022 Presentation

4G optics saving environment and time (Conference Presentation)

Nelson Tabiryan, Brian Kimball, Diane Steeves, Michael McConney, Jonathan Slagle, Timothy Bunning

Proceedings Volume PC12207, PC122070B (2022) https://doi.org/10.1117/12.2633953

KEYWORDS: Optics manufacturing, Thin films, Thin film manufacturing, Glasses, Air contamination

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Proceedings Article | 9 March 2022 Presentation

Creation and control of twist in nematic liquid crystal director via bulk photoalignment

Sarah Hicks, Kyungmin Lee, Michael McConney, Nicholas Godman, Nelson Tabiryan, Timothy Bunning

Proceedings Volume PC12023, PC1202304 (2022) https://doi.org/10.1117/12.2608200

KEYWORDS: Liquid crystals, Visible radiation, Polarization, Optical lithography, Beam steering

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Proceedings Article | 9 March 2022 Presentation

Effect of amorphous crosslinker on phase behavior of polymer stabilized blue phase liquid crystals

Kyung Min Lee, Timothy Bunning, Michael McConney, Nicholas Godman

Proceedings Volume PC12023, PC1202309 (2022) https://doi.org/10.1117/12.2608775

KEYWORDS: Polymers, Liquid crystals, Temperature metrology, Photopolymerization, Photonics, Optical components, LCDs

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Proceedings Article | 3 August 2021 Presentation

Tunable reflective colors in holographically patterned liquid crystal gels

Kyung Min Lee, Timothy Bunning, Timothy White, Michael McConney, Nicholas Godman

Proceedings Volume 11807, 1180705 (2021) https://doi.org/10.1117/12.2593997

KEYWORDS: Polymers, Liquid crystals, Holography, Reflectivity, Photorefractive polymers, Refractive index, Reflection, Thin films, Switching, Photonic crystals

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Proceedings Article | 2 August 2021 Presentation

Evolution of the fourth generation optics

Nelson Tabiryan, Brian Kimball, Diane Steeves, Michael McConney, Timothy Bunning

Proceedings Volume 11807, 118070L (2021) https://doi.org/10.1117/12.2596138

KEYWORDS: Thin films, Prisms, Lenses, Beam shaping

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Proceedings Article | 2 August 2021 Presentation

Rewriting bulk photoalignment of nematic liquid crystals in a two-step exposure system

Sarah Hicks, Kyung Min Lee, Michael McConney, Nelson Tabiryan, Timothy Bunning

Proceedings Volume 11807, 118070I (2021) https://doi.org/10.1117/12.2594786

KEYWORDS: Liquid crystals, Polarization, Wave plates

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Proceedings Article | 5 March 2021 Presentation

Bulk photoalignment of nematic liquid crystals by addition of azobenzene components

Sarah Hicks, Michael McConney, Kyung Min Lee, Nelson Tabirian, Timothy Bunning, Elizabeth Bernhardt

Proceedings Volume 11707, 117070B (2021) https://doi.org/10.1117/12.2577673

KEYWORDS: Liquid crystals, Optical lithography, Liquids, Crystals

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Proceedings Article | 5 March 2021 Presentation

Electro-optic response in polymer stabilized cholesteric liquid crystals

Kyung Min Lee, Timothy White, Timothy Bunning, Michael McConney, Nicholas Godman

Proceedings Volume 11707, 117070J (2021) https://doi.org/10.1117/12.2578297

KEYWORDS: Electro optic polymers, Polymers, Liquid crystals, Electro optics, Diffraction, Photonic crystals, Scattering, Optical components, Laser scattering, LCDs

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Proceedings Article | 20 August 2020 Poster

Eﬀect of cell thickness on the electro-optic response of polymer stabilized cholesteric liquid crystals with negative dielectric anisotropy

Kyung Min Lee, Ecklin Crenshaw, Mariacristina Rumi, Timothy White, Timothy Bunning, Michael McConney

Proceedings Volume 11472, 1147217 (2020) https://doi.org/10.1117/12.2568117

KEYWORDS: Electro optic polymers, Polymers, Electro optics, Liquid crystals, Dielectrics, Anisotropy, Electroluminescent displays, Photonic crystals, Modulation, Fast packet switching

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Proceedings Article | 20 August 2020 Presentation

Electro-optic response in holographic polymer stabilized cholesteric liquid crystals

Kyung Min Lee, Vincent Tondiglia, Timothy White, Timothy Bunning, Michael McConney

Proceedings Volume 11472, 1147208 (2020) https://doi.org/10.1117/12.2568108

KEYWORDS: Polymers, Liquid crystals, Holography, Electro optics, Electro optic polymers, Diffraction, Photonic crystals, Diffraction gratings, Optical components, LCDs

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Proceedings Article | 20 August 2020 Presentation

Thermo-plasmonic assisted reconfigurable optical components

Luciano De Sio, Filippo Pierini, Nelson Tabiryan, Timothy Bunning

Proceedings Volume 11472, 114720A (2020) https://doi.org/10.1117/12.2568043

KEYWORDS: Optical components, Nanoparticles, Photonics, Plasmonics, Liquid crystals, Nanophotonics, Light sources, Medicine, Electronics, Thermography

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Proceedings Article | 9 March 2020 Presentation

Electrically-tunable holographic polymer stabilized liquid-crystal reflection gratings (Conference Presentation)

Kyung Min Lee, Vincent Tondiglia, Timothy White, Timothy Bunning, Michael McConney

Proceedings Volume 11303, 113030R (2020) https://doi.org/10.1117/12.2544263

KEYWORDS: Polymers, Holography, Liquid crystals, Switching, Prisms, Temperature metrology, Refractive index, Photorefractive polymers, Liquids, Crystals

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Proceedings Article | 4 March 2019 Presentation

Tunable holographic gratings based on cross-linked liquid-crystalline polymers in nematic liquid crystals (Conference Presentation)

Kyung Min Lee, Vincent Tondiglia, Timothy Bunning, Timothy White, Michael McConney

Proceedings Volume 10944, 1094406 (2019) https://doi.org/10.1117/12.2510438

KEYWORDS: Liquid crystals, Holography, Polymers, Dielectric polarization, Diffraction gratings, Photopolymerization, Liquids, Diffraction, Dielectrics, Anisotropy

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Proceedings Article | 4 March 2019 Presentation

Dynamic electro-optic responses of holographically patterned polymer stabilized cholesteric liquid crystals (Conference Presentation)

Kyung Min Lee, Vincent Tondiglia, Timothy White, Timothy Bunning, Michael McConney

Proceedings Volume 10944, 1094404 (2019) https://doi.org/10.1117/12.2507475

KEYWORDS: Liquid crystals, Holography, Polymers, Electro optics, Electro optic polymers, Ultraviolet radiation, Laser stabilization, Prisms, Dielectrics, Anisotropy

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Proceedings Article | 2 October 2018 Presentation + Paper

Chromatic aberration corrected switchable optical systems

David Roberts, Zhi Liao, J. Y. Hwang, S. Nersisyan, Nelson Tabirian, D. Steeves, B. Kimball, Timothy Bunning

Proceedings Volume 10735, 107350Q (2018) https://doi.org/10.1117/12.2323033

KEYWORDS: Lenses, Liquid crystals, Prisms, Chromatic aberrations, Switching, Wave plates, Diffraction, Optics manufacturing, Image processing, RGB color model

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Proceedings Article | 22 February 2018 Presentation + Paper

All-optical probing of GHz acoustic waves in multiferroic MEMS

Derek Bas, Hwaider Lin, Piyush Shah, Michael Page, Brandon Howe, Nian Xiang Sun, Timothy Bunning, Michael McConney

Proceedings Volume 10545, 1054506 (2018) https://doi.org/10.1117/12.2290650

KEYWORDS: Acoustics, Antennas, Microelectromechanical systems, Objectives, Electrodes, Polarization, Interferometry, Bandpass filters, Wave propagation, Shape memory alloys

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Proceedings Article | 19 September 2017 Open Access

High power 4G optics (Conference Presentation)

Nelson Tabiryan, David Roberts, Sergiy Kaim, Svetlana Serak, Sarik Nersisyan, Haiqing Xianyu, Timothy Bunning, Diane Steeves, Brian Kimball

Proceedings Volume 10361, 103610V (2017) https://doi.org/10.1117/12.2275600

KEYWORDS: Geometrical optics, Wave plates, Liquid crystals, Electro optics, Thin films, Prisms, Diffraction, Polymers, Beam steering, Diffraction gratings

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Proceedings Article | 21 April 2017 Presentation

Time-dependent deformation of polymer network in polymer-stabilized cholesteric liquid crystals (Conference Presentation)

Kyung Min Lee, Vincent Tondiglia, Timothy Bunning, Timothy White

Proceedings Volume 10125, 1012517 (2017) https://doi.org/10.1117/12.2250581

KEYWORDS: Polymers, Liquid crystals, Electro optic polymers, Electrodes, Electro optics, Ions, Electro optical modeling, Dielectrics, Anisotropy, Photopolymerization

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Proceedings Article | 2 November 2016 Open Access

Integrating 4G Optics (Conference Presentation)

Nelson Tabiryan, Jeoungyeon Hwang, Diane Steeves, Brian Kimball, Timothy Bunning, Timothy White

Proceedings Volume 9940, 994018 (2016) https://doi.org/10.1117/12.2238955

KEYWORDS: Liquid crystals, Polymers, Electro optics, Integrated optics, Photonic devices, Electro optic polymers, Multilayers, Polymer thin films, Solids, Graphene

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Proceedings Article | 23 September 2016 Presentation + Paper

Tuning surface plasmons in graphene ribbons with liquid crystal layer

Viktor Yu. Reshetnyak, Timothy Bunning, Dean Evans

Proceedings Volume 9940, 994019 (2016) https://doi.org/10.1117/12.2237264

KEYWORDS: Liquid crystals, Graphene, Surface plasmons, Plasmonics, Plasmons, Dielectrics, Reflection, Radio propagation, Maxwell's equations, Electromagnetic radiation

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Proceedings Article | 12 September 2013 Paper

Effects of in-plane electric fields on the optical properties of cholesteric liquid crystals

Mariacristina Rumi, Vincent Tondiglia, Lalgudi Natarajan, Timothy White, Timothy Bunning

Proceedings Volume 8828, 882817 (2013) https://doi.org/10.1117/12.2023282

KEYWORDS: Electrodes, Reflectivity, Liquid crystals, Transmittance, Polarizers, Dielectrics, Anisotropy, Refractive index, Birefringence, Optical properties

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Proceedings Article | 2 February 2011 Paper

Liquid crystal Bragg filters

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Christopher Bailey, Madeline Duning, Anastasia Voevodin, Timothy White, Timothy Bunning

Proceedings Volume 7955, 79550S (2011) https://doi.org/10.1117/12.878500

KEYWORDS: Liquid crystals, Optical filters, Modulation, Dielectrics, Polymers, Birefringence, Diffraction, Tunable filters, Switching, Fiber Bragg gratings

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Proceedings Article | 18 August 2010 Paper

Non-symmetric broadening of the reflection notch in polymer stabilized cholesteric liquid crystals

Lalgudi Natarajan, Jimmy Voss, Vincent Tondiglia, Deng-Ke Yang, Timothy White, Timothy Bunning

Proceedings Volume 7775, 77750Z (2010) https://doi.org/10.1117/12.861367

KEYWORDS: Ultraviolet radiation, Liquid crystals, Polymerization, Polymers, Diffusion, Lamps, Absorption, Reflection, Light sources, Ultraviolet sources

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Proceedings Article | 3 February 2009 Paper

Lasing of pyrromethene 597 in 2D holographic polymer dispersed liquid crystals: influence of columnar conformation

Rachel Jakubiak, Vincent Tondiglia, Lalgudi Natarajan, Pamela Lloyd, Richard Sutherland, Richard Vaia, Timothy Bunning

Proceedings Volume 7232, 72320K (2009) https://doi.org/10.1117/12.810496

KEYWORDS: Photonic crystals, Liquid crystals, Polymers, Polarization, Holography, Scanning electron microscopy, Reflection, Photopolymerization, Diffraction, Crystals

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Proceedings Article | 2 September 2008 Paper

Plasma enhanced chemical vapor deposition of high refractive index polymer films

Jesse Enlow, Hao Jiang, Kurt Eyink, John Grant, Weijie Su, Walter Johnson, Timothy Bunning

Proceedings Volume 7049, 70490T (2008) https://doi.org/10.1117/12.798152

KEYWORDS: Polymers, Refractive index, Polymer thin films, Photorefractive polymers, Plasma enhanced chemical vapor deposition, Plasma, Refraction, Thin films, Metals, Polymerization

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Proceedings Article | 28 August 2008 Paper

The structure of a polymer blend in a volume grating

Michael Birnkrant, Christopher Li, Lalgudi Natarajan, Vincent Tondiglia, Richard Sutherland, Pamela Lloyd, Rachel Jakubiak, Timothy Bunning

Proceedings Volume 7049, 70490M (2008) https://doi.org/10.1117/12.798322

KEYWORDS: Polymers, Holography, Transmission electron microscopy, Crystals, X-rays, Synchrotrons, Liquid crystals, Prisms, Polymerization, X-ray microscopy

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Proceedings Article | 27 August 2008 Paper

Enhancing the electro-optical properties of liquid crystal nanodroplets for switchable Bragg gratings

R. Sutherland, V. Tondiglia, L. Natarajan, P. Lloyd, T. Bunning

Proceedings Volume 7050, 705003 (2008) https://doi.org/10.1117/12.792629

KEYWORDS: Liquid crystals, Scattering, Diffraction, Diffraction gratings, Polymers, Nanodroplets, Transmittance, Fiber Bragg gratings, Polarization, Transmission electron microscopy

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Proceedings Article | 12 September 2007 Paper

Polarization dependent photoactuation in azobenzene LC polymers

Timothy White, J. Koval, V. Tondiglia, L. Natarajan, R. Vaia, S. Serak, V. Grozhik, N. Tabirian, Timothy Bunning

Proceedings Volume 6654, 665403 (2007) https://doi.org/10.1117/12.734670

KEYWORDS: Polymers, Liquid crystals, Polarization, Liquids, Holography, Crystals, Helium cadmium lasers, Photopolymerization, Ultraviolet radiation, Absorbance

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Proceedings Article | 12 September 2007 Paper

Tuning of a cholesteric filter having a negative dielectric anisotropy

Lalgudi Natarajan, Jeremy Wofford, Vincent Tondiglia, Richard Sutherland, Stephen Siwecki, Hilmar Koerner, Richard Vaia, Timothy Bunning

Proceedings Volume 6654, 66540A (2007) https://doi.org/10.1117/12.730860

KEYWORDS: Liquid crystals, Dielectrics, Dielectric filters, Anisotropy, Molecules, X-rays, Calorimetry, Scattering, X-ray diffraction, Liquids

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Proceedings Article | 12 February 2007 Paper

Nanostructured porous polymeric photonic bandgap structures for sensing

Sung Jin Kim, Vamsy Chodavarapu, Rachel Bukowski, A. Titus, Alexander Cartwright, Mark Swihart, Frank Bright, Timothy Bunning

Proceedings Volume 6447, 64470O (2007) https://doi.org/10.1117/12.716666

KEYWORDS: Sensors, Polymers, Chemical elements, Oxygen, Luminescence, Polymeric sensors, Structural sensing, Reflection, Glucose, Optical sensors

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Proceedings Article | 12 February 2007 Paper

Liquid crystal Bragg gratings: dynamic optical elements for spatial light modulators

R. Sutherland, V. Tondiglia, L. Natarajan, J. Wofford, S. Siwecki, G. Cook, D. Evans, P. Lloyd, T. Bunning

Proceedings Volume 6487, 64870V (2007) https://doi.org/10.1117/12.710829

KEYWORDS: Liquid crystals, Fiber Bragg gratings, Modulation, Diffraction, Polymers, Diffraction gratings, Crystals, Transmittance, Polarization, Molecules

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Proceedings Article | 15 September 2006 Paper

Holographic polymer dispersed liquid crystal (HPDLC) transmission gratings formed by visible light initiated thiol-ene photopolymerization

Jeremy Wofford, Lalgudi Natarajan, Vincent Tondiglia, Richard Sutherland, Pamela Lloyd, Stephen Siwecki, Timothy Bunning

Proceedings Volume 6332, 63320Q (2006) https://doi.org/10.1117/12.682743

KEYWORDS: Liquid crystals, Polymers, Photopolymerization, Holography, Visible radiation, Diffraction gratings, Transmission electron microscopy, Spherical lenses, Krypton ion lasers, Glasses

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Proceedings Article | 30 August 2006 Paper

Influence of morphology on the lasing behavior of pyrromethene 597 in a holographic polymer dispersed liquid crystal reflection grating

Rachel Jakubiak, Dean Brown, Lalgudi Natarajan, Vincent Tondiglia, Pamela Lloyd, Richard Sutherland, Timothy Bunning, Richard Vaia

Proceedings Volume 6322, 63220A (2006) https://doi.org/10.1117/12.682255

KEYWORDS: Liquid crystals, Polymers, Holography, Photonic crystals, Polymerization, Electro optics, Dielectrics, Reflection, Diffraction, Diffraction gratings

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Proceedings Article | 30 August 2006 Paper

Tunable porous photonic bandgap structures for chemical and biological sensing

Sung Jin Kim, Vamsy Chodavarapu, Firdous Kamal, Vincent Hsiao, Alexander Cartwright, Mark Swihart, Paras Prasad, Timothy Bunning

Proceedings Volume 6322, 632201 (2006) https://doi.org/10.1117/12.681356

KEYWORDS: Polymers, Sensors, Reflection, Liquid crystals, Holography, Chemical elements, Luminescence, Glasses, Silicon, Prisms

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Proceedings Article | 13 September 2005 Paper

Organic solvent vapor sensing using porous photopolymer photonic bandgap structures

Vincent Hsiao, William Kirkey, Alexander Cartwright, Paras Prasad, Pamela Lloyd, Timothy Bunning

Proceedings Volume 5926, 59260K (2005) https://doi.org/10.1117/12.619262

KEYWORDS: Polymers, Glasses, Reflection, Liquid crystals, Refractive index, Holography, Polymer thin films, Silicon, Sensors, Reflectivity

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Proceedings Article | 22 August 2005 Paper

Visible light initiated thiol-ene based reflection H-PDLCs

Lalgudi Natarajan, Dean Brown, Jeremy Wofford, Vincent Tondiglia, Richard Sutherland, Pam Lloyd, Rachel Jakubiak, Richard Vaia, Timothy Bunning

Proceedings Volume 5936, 59360F (2005) https://doi.org/10.1117/12.617376

KEYWORDS: Remote sensing, Ultraviolet radiation, Rhodamine, Liquid crystals, Holography, Polymerization, Absorption, Visible radiation, Reflection, Photopolymerization

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Proceedings Article | 4 April 2005 Paper

Stimulated emission from pyrromethene 597 in holographic polymer dispersed liquid crystal structures

Rachel Jakubiak, Vincent Tondiglia, Lalgudi Natarajan, Richard Sutherland, Pamela Lloyd, Timothy Bunning, Richard Vaia

Proceedings Volume 5724, (2005) https://doi.org/10.1117/12.591048

KEYWORDS: Holography, Liquid crystals, Polymers, Dielectrics, Diffraction gratings, Luminescence, Optical pumping, Laser damage threshold, Photons, Dielectric polarization

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Proceedings Article | 16 December 2004 Paper

Effect of adding a multifunctional acrylate on the electro-optical properties of reflection gratings formed by thiol-ene photopolymerization

Lagudi Natarajan, Jay Klosterman, Vincent Tondiglia, Richard Sutherland, Pamela Lloyd, Timothy Bunning

Proceedings Volume 5621, (2004) https://doi.org/10.1117/12.579365

KEYWORDS: Polymers, Polymerization, Photopolymerization, Liquid crystals, Switching, Ultraviolet radiation, Electro optics, Reflection, Spherical lenses, Holography

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Proceedings Article | 14 October 2004 Paper

Dynamic holographic polymer dispersed liquid crystals

Augustine Urbas, Jay Klosterman, Vincent Tondiglia, Lalgudi Natarajan, Richard Sutherland, Nelson Tabirian, Tomiki Ikeda, Timothy Bunning

Proceedings Volume 5511, (2004) https://doi.org/10.1117/12.560014

KEYWORDS: Liquid crystals, Polymers, Holography, Ultraviolet radiation, Diffraction, Optical properties, Absorption, Photonic crystals, Visible radiation, Diffraction gratings

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Proceedings Article | 5 January 2004 Paper

Effect of gel-point versus conversion on the real-time dynamics of holographic polymer-dispersed liquid crystal (HPDLC) formation

Timothy Bunning, Lalgudi Natarajan, Vincent Tondiglia, Richard Sutherland

Proceedings Volume 5213, (2004) https://doi.org/10.1117/12.505846

KEYWORDS: Liquid crystals, Diffraction, Polymers, Holography, Chemistry, Refractive index, Ultraviolet radiation, Polymerization, Photopolymerization, Diffraction gratings

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Proceedings Article | 8 December 2003 Paper

Volume hologram formation in liquid-crystal/photopolymer mixtures

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning

Proceedings Volume 5216, (2003) https://doi.org/10.1117/12.504865

KEYWORDS: Diffraction gratings, Diffraction, Polymers, Data modeling, Liquid crystals, Holograms, Polymerization, Holography, Diffusion, Volume holography

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Proceedings Article | 14 July 2003 Paper

Holographic photopolymerization for fabrication of electrically switchable inorganic-organic hybrid photonic structures

Rachel Jakubiak, Dean Brown, Fatma Vatansever, Vincent Tondiglia, Lalgudi Natarajan, David Tomlin, Timothy Bunning, Richard Vaia

Proceedings Volume 4991, (2003) https://doi.org/10.1117/12.479443

KEYWORDS: Liquid crystals, Nanoparticles, Polymers, Holography, Zinc oxide, Photopolymerization, Diffraction, Refractive index, Diffraction gratings, Quantum dots

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Proceedings Article | 30 April 2003 Paper

Holographic polymer-dispersed liquid crystals in display applications

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning

Proceedings Volume 5003, (2003) https://doi.org/10.1117/12.473863

KEYWORDS: Polymers, Diffraction, Liquid crystals, Switching, Diffraction gratings, LCDs, Ultraviolet radiation, Holography, Projection systems, Polarization

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Proceedings Article | 23 January 2002 Paper

Contradirectional two-wave mixing in bulk and multimode fibers of iron doped lithium niobate

Mohammad Saleh, Dean Evans, R. Shariff, Timothy Pottenger, Lizhu Lu, Richard Meltzer, William Yen, Timothy Bunning, Shekhar Guha

Proceedings Volume 4459, (2002) https://doi.org/10.1117/12.454005

KEYWORDS: Crystals, Laser crystals, Optical fibers, Iron, Diffraction, Multimode fibers, Lithium niobate, Two wave mixing, Reflection, Energy efficiency

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Proceedings Article | 16 January 2002 Paper

Investigation of photorefractive nonlinear optical properties of iron-doped lithium niobate in bulk and fiber configurations

Dean Evans, Timothy Pottenger, Mohammad Saleh, S. Basun, G. Landis, Timothy Bunning, Shekhar Guha

Proceedings Volume 4462, (2002) https://doi.org/10.1117/12.452726

KEYWORDS: Crystals, Iron, Laser crystals, Lithium niobate, Reflection, Nonlinear crystals, Crystallography, Antireflective coatings, Photovoltaics, Fiber couplers

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Proceedings Article | 11 December 2001 Paper

Switchable holograms for displays and telecommunications

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, S. Siwecki, Suresh Chandra, Timothy Bunning

Proceedings Volume 4463, (2001) https://doi.org/10.1117/12.449934

KEYWORDS: Holograms, Polarization, Liquid crystals, Diffraction, Diffraction gratings, Polymers, Holography, Telecommunications, Modulation, Holographic optical elements

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Proceedings Article | 14 October 1998 Paper

Controlling nanoscale morphology in switchable PDLC gratings

Robert Pogue, Lalgudi Natarajan, Vincent Tondiglia, S. Siwecki, Richard Sutherland, Timothy Bunning

Proceedings Volume 3475, (1998) https://doi.org/10.1117/12.326903

KEYWORDS: Liquid crystals, Electro optics, Polymerization, Polymers, Electro optic polymers, Diffraction, Liquids, Spherical lenses, Composites, Anisotropy

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Proceedings Article | 12 October 1998 Paper

Polymer host materials for optical limiting

Hao Jiang, Michael De Rosa, Weigie Su, Mark Brant, Daniel McLean, Timothy Bunning

Proceedings Volume 3472, (1998) https://doi.org/10.1117/12.326885

KEYWORDS: Polymers, Laser induced damage, Laser damage threshold, Polymethylmethacrylate, Optical limiting, Laser energy, Epoxies, Resistance, Molecules, Molecular lasers

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Proceedings Article | 17 June 1998 Paper

Switchable holograms for displays and other applications

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning

Proceedings Volume 3421, (1998) https://doi.org/10.1117/12.311048

KEYWORDS: Holograms, Diffraction, Switching, Liquid crystals, Polymers, Scattering, Diffraction gratings, Holography, Modulation, Optics manufacturing

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Proceedings Article | 20 April 1998 Paper

Holographic PDLCs for optical beam modulation, deflection, and dynamic filter applications

Lalgudi Natarajan, Richard Sutherland, Timothy Bunning, Vincent Tondiglia

Proceedings Volume 3292, (1998) https://doi.org/10.1117/12.305507

KEYWORDS: Liquid crystals, Holograms, Holography, Switching, Modulation, Polymers, Diffraction, Phased array optics, Diffraction gratings, Electro optics

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Proceedings Article | 30 October 1997 Paper

Electrically switchable holograms containing novel PDLC structures

Lalgudi Natarajan, Richard Sutherland, Vincent Tondiglia, Timothy Bunning, R. Neal

Proceedings Volume 3143, (1997) https://doi.org/10.1117/12.290764

KEYWORDS: Switching, Holograms, Liquid crystals, Glasses, Optical interconnects, Holography, Scanning electron microscopy, Polymers, Diffraction gratings, Electro optics

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Proceedings Article | 15 May 1997 Paper

Relation of electro-optical characteristics to materials properties and morphology in polymer-dispersed liquid crystal holographic gratings

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning, Bob Epling, Donna Brandelik

Proceedings Volume 3010, (1997) https://doi.org/10.1117/12.274412

KEYWORDS: Scattering, Light scattering, Switching, Liquid crystals, Diffraction, Rayleigh scattering, Polymers, Particles, Holography, Electro optic polymers

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Proceedings Article | 7 May 1996 Paper

Switchable-focus lenses in holographic polymer-dispersed liquid crystal

Lawrence Domash, Tony Chen, Badri Gomatam, Conrad Gozewski, Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning, W. Wade Adams

Proceedings Volume 2689, (1996) https://doi.org/10.1117/12.239623

KEYWORDS: Liquid crystals, Holography, Diffraction, Lenses, Polymers, Holograms, Switching, Modulation, Volume holography, Glasses

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Proceedings Article | 7 May 1996 Paper

Physics of photopolymer-liquid crystal composite holographic gratings

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning, W. Wade Adams

Proceedings Volume 2689, (1996) https://doi.org/10.1117/12.239619

KEYWORDS: Diffraction gratings, Liquid crystals, Polymers, Diffraction, Holography, Switching, Birefringence, Electro optical modeling, Molecules, Electro optics

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Proceedings Article | 11 March 1996 Paper

Effects of eliminating the chain extender and varying the grating periodicity on the morphology of holographically written Bragg gratings

Timothy Bunning, Lalgudi Natarajan, Vincent Tondiglia, Richard Sutherland, Robert Haaga, W. Wade Adams

Proceedings Volume 2651, (1996) https://doi.org/10.1117/12.235361

KEYWORDS: Liquid crystals, Polymers, Diffusion, Fiber Bragg gratings, Photomicroscopy, Photopolymerization, Floods, Molecules, Polymerization, Composites

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Proceedings Article | 22 September 1995 Paper

Analysis of periodic polymer-dispersed liquid crystal structures for dynamic hologram applications

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning, W. Wade Adams

Proceedings Volume 2532, (1995) https://doi.org/10.1117/12.221231

KEYWORDS: Diffraction, Switching, Diffraction gratings, Liquid crystals, Polymers, Electro optical modeling, Holograms, Holography, Modulation, Polarization

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Proceedings Article | 20 April 1995 Paper

Switchable holograms in new photopolymer-liquid crystal composite materials

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning, W. Wade Adams

Proceedings Volume 2404, (1995) https://doi.org/10.1117/12.207464

KEYWORDS: Diffraction, Switching, Polymers, Holograms, Liquid crystals, Scanning electron microscopy, Electro optics, Electro optical modeling, Diffraction gratings, Holography

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Proceedings Article | 17 June 1994 Paper

Development of photopolymer/liquid crystal composite materials for dynamic hologram applications

Richard Sutherland, Lalgudi Natarajan, Vincent Tondiglia, Timothy Bunning, W. Wade Adams

Proceedings Volume 2152, (1994) https://doi.org/10.1117/12.178085

KEYWORDS: Diffraction, Liquid crystals, Diffraction gratings, Polymers, Holography, Switching, Holograms, Crystals, Argon ion lasers, Ion lasers

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Proceedings Article | 27 April 1993 Paper

Optical limiting in solutions of dithienyl polyenes

Lalgudi Natarajan, Richard Sutherland, Mark Schmitt, Mark Brant, Daniel McLean, Paul Fleitz, Timothy Bunning, Robert Crane

Proceedings Volume 1853, (1993) https://doi.org/10.1117/12.144051

KEYWORDS: Absorption, Optical limiting, Optoelectronics, Transmittance, Nonlinear dynamics, Laser damage threshold, Pulsed laser operation, Laser energy, Chlorine, Organic materials

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Proceedings Article | 27 April 1993 Paper

Second-harmonic generation from liquid crystalline siloxane materials containing disperse red-1 pendant groups

Zbigniew Tokarski, Bob Epling, Timothy Bunning, Laura McGivern, Robert Crane

Proceedings Volume 1853, (1993) https://doi.org/10.1117/12.144075

KEYWORDS: Molecules, Liquid crystals, Liquids, Crystals, Second-harmonic generation, Nonlinear optics, Glasses, Optoelectronics, Quartz, Thin films

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Showing 5 of 66 publications

Conference Committee Involvement (27)

Liquid Crystals XXIX

3 August 2025 | San Diego, California, United States

Liquid Crystals XXVIII

18 August 2024 | San Diego, California, United States

Liquid Crystals XXVII

21 August 2023 | San Diego, California, United States

Liquid Crystals XXVI

22 August 2022 | San Diego, California, United States

Liquid Crystals XXV

1 August 2021 | San Diego, California, United States

Liquid Crystals XXIV

24 August 2020 | Online Only, California, United States

Liquid Crystals XXIII

11 August 2019 | San Diego, California, United States

Liquid Crystals XXII

19 August 2018 | San Diego, California, United States

Liquid Crystals XXI

6 August 2017 | San Diego, California, United States

Liquid Crystals XX

28 August 2016 | San Diego, California, United States

Liquid Crystals XIX

9 August 2015 | San Diego, California, United States

Liquid Crystals XVIII

17 August 2014 | San Diego, California, United States

Liquid Crystals XVII

25 August 2013 | San Diego, California, United States

Liquid Crystals XVI

12 August 2012 | San Diego, California, United States

Liquid Crystals XV

21 August 2011 | San Diego, California, United States

Liquid Crystals XIV

1 August 2010 | San Diego, California, United States

Liquid Crystals XIII

2 August 2009 | San Diego, California, United States

Liquid Crystals XII

11 August 2008 | San Diego, California, United States

Liquid Crystals XI

26 August 2007 | San Diego, California, United States

Liquid Crystals X

13 August 2006 | San Diego, California, United States

Liquid Crystal Technology and Applications

12 June 2006 | Dayton, Ohio, United States

Tuning the Optical Response of Photonic Bandgap Structures II

31 July 2005 | San Diego, California, United States

Liquid Crystals IX

31 July 2005 | San Diego, California, United States

Optical Materials in Defence Systems Technology

25 October 2004 | London, United Kingdom

Liquid Crystals VIII

2 August 2004 | Denver, Colorado, United States

Liquid Crystal Technology Applications

7 July 2004 | Cleveland, Ohio, United States

Liquid Crystals VII

5 August 2003 | San Diego, California, United States

Showing 5 of 27 Conference Committees

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