Dr. Dean R. Evans Profile

Dr. Dean R. Evans

Physicist

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 2 October 2024 Presentation + Paper

Bandpass filter characteristics of multilayer metallo-dielectric structures

Guo Chen, Partha Banerjee, Mariacristina Rumi, Lirong Sun, Peter Stevenson, Jonathan Slagle, Dean Evans

Proceedings Volume 13109, 131090C (2024) https://doi.org/10.1117/12.3029415

KEYWORDS: Bandpass filters, Metals, Tunable filters, Dielectrics, Transmittance, Silver, Refractive index, Dielectric filters, Design, Multilayers

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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 | 1 August 2021 Presentation

Nanotechnology inspired biosensor with photo-responsive liquid crystals

Luciano De Sio, Kwang-Un Jeong, Francesca Petronella, Melissa De Angelis, Federica Zaccagnini, Vanessa Verrina, Daniela De Biase, Seok-Im Lim, Nicholas Godman, Dean Evans, Michael McConney

Proceedings Volume 11807, 118070S (2021) https://doi.org/10.1117/12.2594628

KEYWORDS: Biosensors, Liquid crystals, Nanotechnology, Nanorods, Gold, Spectroscopy, Pathogens, Nanolithography, Molecules, Microfluidics

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Proceedings Article | 1 March 2019 Paper

Tailoring of amplification spectrum using dc-field for high-precision two-wave mixing adaptive interferometry with CdTe

Konstantin Shcherbin, Marvin Klein, Dean Evans

Proceedings Volume 10934, 109341G (2019) https://doi.org/10.1117/12.2514802

KEYWORDS: Interferometers, Crystals, Phase modulation, Two wave mixing, Holograms, Diffraction gratings, Photorefraction

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Proceedings Article | 1 March 2019 Paper

Solid-state characterization of CdTe:Sn as a medium for adaptive interferometry

Konstantin Shcherbin, Serguey Odoulov, Dean Evans, François Ramaz, Bernard Briat

Proceedings Volume 10934, 109341H (2019) https://doi.org/10.1117/12.2514823

KEYWORDS: Crystals, Interferometers, Absorption, Semiconductors, Phase modulation, Interferometry, Two wave mixing, Photorefraction

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Proceedings Article | 23 February 2018 Presentation + Paper

Transfer function for electromagnetic propagation through anisotropic metamaterials

Rudra Gnawali, Partha Banerjee, Joseph Haus, Dean Evans

Proceedings Volume 10526, 1052614 (2018) https://doi.org/10.1117/12.2292272

KEYWORDS: Wave propagation, Beam propagation method, Metamaterials, Dielectrics, Metals, Wavefronts, Electromagnetism, Anisotropy

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Proceedings Article | 22 February 2018 Presentation + Paper

Effect of particular nonlinear dispersion in photorefractive four-wave mixing on slow and fast light

Konstantin Shcherbin, Pierre Mathey, Dean Evans

Proceedings Volume 10548, 105480X (2018) https://doi.org/10.1117/12.2292709

KEYWORDS: Phase conjugation, Slow light, Dispersion, Phase shifts, Four wave mixing, Nonlinear optics, Nonlinear crystals

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Proceedings Article | 25 August 2017 Presentation + Paper

Confined photovoltaic fields in a photo-responsive liquid crystal test cell

Atefeh Habibpourmoghadam, Lin Jiao, Faissal Omairat, Dean Evans, Liana Lucchetti, Viktor Reshetnyak, Alexander Lorenz

Proceedings Volume 10361, 1036112 (2017) https://doi.org/10.1117/12.2273990

KEYWORDS: Liquid crystals, Photovoltaics, Solar cells, Lithium niobate, Particles, Photonics, Iron, Indium, Oxides

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Proceedings Article | 22 February 2017 Paper

Optical propagation in anisotropic metamaterials

Rudra Gnawali, Partha Banerjee, Joseph Haus, Dean Evans

Proceedings Volume 10098, 100981F (2017) https://doi.org/10.1117/12.2255757

KEYWORDS: Metamaterials, Optoelectronic devices, Radio propagation, Electromagnetism, Optical properties, Refractive index, Polarization, Wave propagation, Magnetism, Instrument modeling, Dielectrics, Transmittance, Reflectivity, Metals, Silver, Free space

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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 | 7 March 2016 Paper

Dynamic gratings recording in liquid crystal light valve with semiconductor substrate

Konstantin Shcherbin, Igor Gvozdovskyy, Dean Evans

Proceedings Volume 9771, 97710U (2016) https://doi.org/10.1117/12.2209552

KEYWORDS: Liquid crystals, Light valves, Infrared radiation, Holography, Infrared materials, Refractive index, Phase shifts, Molecules, Semiconductors, Diffraction gratings, Gallium arsenide

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Proceedings Article | 5 September 2014 Paper

Gain dynamics in liquid crystal photorefractive hybrids

C. Liebig, N. Tabiryan, S. Basun, I. Ighodalo, V. Reshetnyak, D. Evans

Proceedings Volume 9200, 92000V (2014) https://doi.org/10.1117/12.2062236

KEYWORDS: Polymers, Liquid crystals, Modulation, Birefringence, Photorefractive polymers, Refraction, Electro optics, Control systems, Crystals, Photoresistors

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Proceedings Article | 25 September 2013 Paper

Contribution of diffusion and photovoltaic effect to self-pumped reflection gratings in photorefractive lithium niobate

R. Aylo, P. Banerjee, S. Basun, D. Evans

Proceedings Volume 8847, 88470B (2013) https://doi.org/10.1117/12.2022138

KEYWORDS: Photovoltaics, Diffusion, Transmittance, Lithium niobate, Crystals, Refractive index, Neodymium, Magnetism, Numerical simulations, Phase shifts

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Proceedings Article | 25 September 2013 Paper

Enhanced gain dynamics in photorefractive polymers

C. Liebig, S. Basun, S. Buller, D. Evans, P. Banerjee, P. A. Blanche, C. Christenson, N. Peyghambarian, J. Thomas

Proceedings Volume 8847, 88470A (2013) https://doi.org/10.1117/12.2023404

KEYWORDS: Electrons, Polymers, Photorefractive polymers, Electroluminescent displays, Ions, Neodymium, Chromophores, Analytical research, Manufacturing, Electro optics

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Proceedings Article | 21 August 2009 Paper

Transmission, reflection, and absorption gratings in photorefractive polymers

Partha Banerjee, Gary Cook, Dean Evans, J. Wofford, P.-A. Blanche, J. Thomas, N. Peyghambarian

Proceedings Volume 7420, 74200H (2009) https://doi.org/10.1117/12.826999

KEYWORDS: Phase shifts, Absorption, Polymers, Refractive index, Diffusion, Reflection, Crystals, Photorefractive polymers, Energy transfer, Einsteinium

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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 | 22 October 2004 Paper

Self-pumped contra-directional two-beam coupling in a photorefractive material using beam propagation simulation

Mohammad Saleh, Gary Cook, Shekhar Guha, Partha Banerjee, Dean Evans

Proceedings Volume 5560, (2004) https://doi.org/10.1117/12.562040

KEYWORDS: Crystals, Photovoltaics, Diffusion, Modulation, Optical simulations, Laser crystals, Beam propagation method, Reflection, Refractive index, Phase shift keying

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Proceedings Article | 21 October 2003 Paper

Optical beam shaping using hybrid acousto-optic devices with feedback

Yasser Abdelaziez, Partha Banerjee, Dean Evans, Shekhar Guha

Proceedings Volume 5206, (2003) https://doi.org/10.1117/12.508600

KEYWORDS: Acousto-optics, Adaptive optics, Beam shaping, Negative feedback, Image processing, Spatial frequencies, Bragg cells, Spatial filters, Diffraction, Positive feedback

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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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Showing 5 of 20 publications

Conference Committee Involvement (5)

Light Manipulating Organic Materials and Devices IV

6 August 2017 | San Diego, California, United States

Light Manipulating Organic Materials and Devices III

31 August 2016 | San Diego, California, United States

Light Manipulating Organic Materials and Devices II

11 August 2015 | San Diego, California, United States

Light Manipulating Organic Materials and Devices

20 August 2014 | San Diego, California, United States

Optical Processes in Organic Materials and Nanostructures II

25 August 2013 | San Diego, California, United States

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