Dr. Demetris L. Geddis Profile

Dr. Demetris L. Geddis

Assistant Professor at Norfolk State Univ

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Author

Publications (8)

Proceedings Article | 17 April 2017 Presentation + Paper

How coupling affects closely packed rectenna arrays used for wireless power transmission

Deidra Walls, Sang Choi, Hargsoon Yoon, Demetris Geddis, Kyo Song

Proceedings Volume 10167, 101670R (2017) https://doi.org/10.1117/12.2260510

KEYWORDS: Antennas, Diodes, Wireless energy transfer, Microwave radiation, Biomedical optics, Manufacturing, Thin films, Linear filtering, Analytical research, Copper

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Proceedings Article | 24 February 2016 Paper

Erbium-doped zinc-oxide waveguide amplifiers for hybrid photonic integrated circuits

Lawrence O'Neal, Deion Anthony, Carl Bonner, Demetris Geddis

Proceedings Volume 9744, 97441G (2016) https://doi.org/10.1117/12.2213409

KEYWORDS: Waveguides, Optical amplifiers, Zinc oxide, Erbium, Etching, Signal attenuation, Silicon, Prisms, Luminescence, Fiber amplifiers

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Proceedings Article | 3 April 2015 Paper

Enhanced electromechanical behaviors of cellulose ZnO hybrid nanocomposites

Seongchoel Mun, Seung-Ki Min, Hyun Chan Kim, Jongbeom Im, Demetris Geddis, Jaehwan Kim

Proceedings Volume 9434, 94340U (2015) https://doi.org/10.1117/12.2084454

KEYWORDS: Zinc oxide, Nanocomposites, Dielectrics, Composites, Transparency, Semiconductors, Nanomaterials, Electrodes, Chemical reactions, Nanorods

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Proceedings Article | 3 April 2015 Paper

Review of radio wave for power transmission in medical applications with safety

John Day, Demetris Geddis, Jaehwan Kim, Sang Choi, Hargsoon Yoon, Kyo Song

Proceedings Volume 9434, 94340T (2015) https://doi.org/10.1117/12.2084854

KEYWORDS: Tissues, Absorption, Skin, Dielectrics, Microwave radiation, Safety, Temperature metrology, Wireless energy transfer, Nerve, Biosensors

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Proceedings Article | 31 March 2012 Paper

Wireless power using magnetic resonance coupling for neural sensing applications

Hargsoon Yoon, Hyunjung Kim, Sang Choi, Larry Sanford, Demetris Geddis, Kunik Lee, Jaehwan Kim, Kyo Song

Proceedings Volume 8344, 83440S (2012) https://doi.org/10.1117/12.917650

KEYWORDS: Magnetism, Sensing systems, Inductive coupling, Magnetic sensors, Brain, Animal model studies, Signal processing, Data communications, Systems modeling, Receivers

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Proceedings Article | 1 April 2009 Paper

Bio/chemical sensors heterogeneously integrated with Si-CMOS circuitry

Frances Williams, Moriba George, Ozgul Yasar, Demetris Geddis, Zhili Hao

Proceedings Volume 7291, 72910N (2009) https://doi.org/10.1117/12.817872

KEYWORDS: Sensors, Acoustics, Wave plates, Integrated circuits, Biosensing, Silicon, Integrated circuit design, Electronic circuits, Transducers, Wave sensors

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Proceedings Article | 19 October 2006 Paper

Tunable fiber Bragg grating ring lasers using macro fiber composite actuators

Demetris Geddis, Sidney Allison, Qamar Shams

Proceedings Volume 6371, 637101 (2006) https://doi.org/10.1117/12.684181

KEYWORDS: Fiber Bragg gratings, Microsoft Foundation Class Library, Actuators, Fiber lasers, Tunable lasers, Optical filters, Optical fibers, Electrodes, Sensors, Composites

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Proceedings Article | 10 November 2005 Paper

Stretch-tuning optical fiber Bragg gratings using macro-fiber composite (MFC) piezoelectric actuators

Sidney Allison, Qamar Shams, Demetris Geddis

Proceedings Volume 6004, 60040C (2005) https://doi.org/10.1117/12.631191

KEYWORDS: Actuators, Microsoft Foundation Class Library, Fiber Bragg gratings, Optical fibers, Tunable lasers, Electrodes, Fiber lasers, Composites, Coating, Adhesives

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Showing 5 of 8 publications

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