Dr. Nezih Mrad Profile

Dr. Nezih Mrad

Defence Scientist at DRDC Ctr for Seurity Science

SPIE Involvement:

Author

Publications (25)

Proceedings Article | 5 September 2014 Paper

Pressure sensitivity analysis of fiber Bragg grating sensors

Nezih Mrad, Vasant Sridharan, Alex Kazemi

Proceedings Volume 9202, 92021J (2014) https://doi.org/10.1117/12.2063103

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Commercial off the shelf technology, Sensing systems, Multiplexing, Demodulation, Refractive index, Manufacturing, Aerospace engineering

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Proceedings Article | 5 September 2014 Paper

Optical and piezoelectric properties of p-type ZnO nanowires on transparent flexible substrate for energy harvesting

Guocheng Liu, Man Chun Tam, Lilei Hu, Karim EI-Rayes, Qiuquan Guo, Jun Yang, Nezih Mrad, Dayan Ban

Proceedings Volume 9202, 92020H (2014) https://doi.org/10.1117/12.2061237

KEYWORDS: Zinc oxide, Lithium, Crystals, Doping, Energy harvesting, Solar energy, Crystal optics, Electrodes, Scanning electron microscopy, Nanowires

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Proceedings Article | 31 May 2013 Paper

Phase-shifted fiber-Bragg-grating-based humidity sensor

Hao Wang, Honglei Guo, Gaozhi Xiao, Nezih Mrad, Alex Kazemi, Dayan Ban

Proceedings Volume 8720, 872019 (2013) https://doi.org/10.1117/12.2016600

KEYWORDS: Humidity, Fiber Bragg gratings, Sensors, Temperature metrology, Fiber optics sensors, Polymers, Coating, Absorption, Optical fibers, Picosecond phenomena

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Proceedings Article | 17 April 2013 Paper

Implementation of a novel imaging technique in an existing structural health monitoring system

Patrice Masson, Nicolas Quaegebeur, Adrien Brunel, Nezih Mrad

Proceedings Volume 8695, 86951I (2013) https://doi.org/10.1117/12.2009723

KEYWORDS: Imaging systems, Sensors, Structural health monitoring, Actuators, Reflectors, Inspection, Wave propagation, Dispersion, Image sensors, Ultrasonics

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Proceedings Article | 7 November 2012 Paper

Towards the simultaneous monitoring of load and damage in aircraft structures using fiber Bragg grating sensors

Gaozhi Xiao, Honglei Guo, Nezih Mrad, Bruno Rocha, Zhigang Sun

Proceedings Volume 8421, 8421BD (2012) https://doi.org/10.1117/12.975070

KEYWORDS: Fiber Bragg gratings, Sensors, Acoustics, Structural health monitoring, Signal detection, Aircraft structures, Actuators, Damage detection, Wave propagation, Ferroelectric materials

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Proceedings Article | 10 May 2012 Paper

Aircraft fiber optic structural health monitoring

Nezih Mrad

Proceedings Volume 8368, 83680F (2012) https://doi.org/10.1117/12.921037

KEYWORDS: Fiber optics sensors, Sensors, Structural health monitoring, Fiber Bragg gratings, Resistance, Photoelasticity, Coating, Fiber optics, Reliability, Optical fibers

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Proceedings Article | 10 May 2012 Paper

On the use of a compact optical fiber sensor system in aircraft structural health monitoring

Nezih Mrad, Honglei Guo, Gaozhi Xiao, Bruno Rocha, Zhigang Sun

Proceedings Volume 8368, 836808 (2012) https://doi.org/10.1117/12.921041

KEYWORDS: Fiber Bragg gratings, Sensors, Acoustics, Damage detection, Structural health monitoring, Fiber optics sensors, Actuators, Sensor technology, Environmental sensing, Seaborgium

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Proceedings Article | 5 April 2012 Paper

A multi-point ultrasonic detection approach to fretting crack detection in an aircraft component

Kuo-Ting Wu, Zhigang Sun, Cheng-Kuei Jen, Alain Blouin, Nezih Mrad, Hugo Bélanger

Proceedings Volume 8347, 834710 (2012) https://doi.org/10.1117/12.915382

KEYWORDS: Acoustics, Transducers, Sensors, Ultrasonics, Diagnostics, Wave plates, Inspection, Adhesives, Spatial resolution, Signal processing

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Proceedings Article | 18 May 2011 Paper

Static and dynamic strain fiber Bragg grating sensor interrogation using a monolithically integrated echelle diffractive grating

Honglei Guo, Gaozhi Xiao, Nezih Mrad, Jianping Yao

Proceedings Volume 7753, 775379 (2011) https://doi.org/10.1117/12.885043

KEYWORDS: Fiber Bragg gratings, Sensors, Acoustic emission, Optical filters, Defense and security, Temperature metrology, Structural health monitoring, Aerospace engineering, Failure analysis, Optical amplifiers

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Proceedings Article | 28 April 2011 Paper

Temperature measurement in a turbine stator assembly using an integratable high-temperature ultrasonic sensor network

Kuo-Ting Wu, Zhigang Sun, Makiko Kobayashi, Brian Galeote, Nezih Mrad

Proceedings Volume 7979, 797902 (2011) https://doi.org/10.1117/12.880522

KEYWORDS: Temperature metrology, Ultrasonics, Transducers, Sensor networks, Ferroelectric materials, Ultrasonography, Electrodes, Inspection, Titanium, Sol-gels

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Proceedings Article | 14 April 2011 Paper

Aircraft components structural health monitoring using flexible ultrasonic transducer arrays

W.-L. Liu, C.-K. Jen, M. Kobayashi, N. Mrad

Proceedings Volume 7981, 79810P (2011) https://doi.org/10.1117/12.879941

KEYWORDS: Ultrasonics, Transducers, Adhesives, Structural health monitoring, Aluminum, Damage detection, Titanium, Electrodes, Defense and security, Temperature metrology

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Proceedings Article | 8 April 2009 Paper

Investigation of alternative excitation sources for vibrothermography

Marc Genest, Farid Mabrouki, Abbas Fahr, Nezih Mrad

Proceedings Volume 7294, 72940Y (2009) https://doi.org/10.1117/12.814145

KEYWORDS: Ferroelectric materials, Infrared cameras, Thermography, Actuators, Cameras, Defense and security, Infrared imaging, Transducers, Aerospace engineering, Nondestructive evaluation

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Proceedings Article | 12 August 2008 Paper

Strain distribution and sensitivity in fiber Bragg grating sensors

C. Dadpay, N. Sivakumar, N. Mrad

Proceedings Volume 7099, 70992E (2008) https://doi.org/10.1117/12.807190

KEYWORDS: Coating, Sensors, Fiber Bragg gratings, Adhesives, Gold, Optical fibers, Finite element methods, Structured optical fibers, Structural health monitoring, Fiber coatings

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Proceedings Article | 11 April 2008 Paper

Micro-size optical fibre strain interrogation system

Nezih Mrad, Gaozhi Xiao, Honglei Guo

Proceedings Volume 6933, 693304 (2008) https://doi.org/10.1117/12.776661

KEYWORDS: Fiber Bragg gratings, Sensors, Demultiplexers, Silicon, Photonic integrated circuits, Multiplexing, Fiber optics sensors, Aerospace engineering, Defense and security, Optical fibers

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Proceedings Article | 11 April 2008 Paper

Structural health monitoring of composites using integrated ultrasonic transducers

M. Kobayashi, K.-T. Wu, L. Song, C.-K. Jen, N. Mrad

Proceedings Volume 6934, 693407 (2008) https://doi.org/10.1117/12.776588

KEYWORDS: Composites, Ultrasonics, Electrodes, Sensors, Nondestructive evaluation, Structural health monitoring, Silver, Nickel, Temperature metrology, Transducers

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Proceedings Article | 10 April 2008 Paper

Miniaturized long period grating sensor interrogator based on a thermally tunable arrayed-waveguide-grating demultiplexer

Honglei Guo, Gaozhi Xiao, Nezih Mrad, Jianping Yao

Proceedings Volume 6932, 69320B (2008) https://doi.org/10.1117/12.775818

KEYWORDS: Sensors, Temperature metrology, Demultiplexers, Waveguides, Photodiodes, Fiber optics sensors, Defense and security, Optical testing, Signal processing, Fiber optics

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Proceedings Article | 8 April 2008 Paper

Non-contact local and global damage detection with integrated ultrasonic transducers

K.-T. Wu, C.-K. Jen, N. Mrad

Proceedings Volume 6932, 69321J (2008) https://doi.org/10.1117/12.776570

KEYWORDS: Aluminum, Ultrasonics, Nondestructive evaluation, Transducers, Wave plates, Temperature metrology, Damage detection, Electrodes, Sensors, Phase velocity

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Proceedings Article | 2 October 2007 Paper

Addressing fiber optic sensors limitations for aircraft applications

Nezih Mrad

Proceedings Volume 6758, 675809 (2007) https://doi.org/10.1117/12.734206

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Temperature metrology, Multiplexing, Demodulation, Aerospace engineering, Optical fibers, Refractive index, Sensor networks

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Proceedings Article | 2 July 2007 Paper

Miniaturized optical fiber sensor interrogation systems for potential aerospace applications

Gaozhi Xiao, Nezih Mrad, Fengguo Sun, Zhiyi Zhang, Jiaren Liu, Zhenguo Lu

Proceedings Volume 6619, 66192L (2007) https://doi.org/10.1117/12.738656

KEYWORDS: Sensors, Demultiplexers, Fiber Bragg gratings, Silicon, Fiber optics sensors, Photonic integrated circuits, Aerospace engineering, Waveguides, Temperature metrology, Detector arrays

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Proceedings Article | 26 April 2007 Paper

Characterization of fibre Bragg gratings for temperature and strain sensing

Nezih Mrad, Alexei Ivanov, Jacques Albert, Gao Zhi (George) Xiao

Proceedings Volume 6529, 65290T (2007) https://doi.org/10.1117/12.716979

KEYWORDS: Temperature metrology, Thermal effects, Fiber Bragg gratings, Coating, Sensors, Refractive index, Optical fibers, Fiber optics sensors, Multiplexing, Fiber coatings

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Proceedings Article | 11 April 2007 Paper

Integrated surface and plate acoustic wave sensors for health monitoring

C.-K. Jen, K.-T. Wu, M. Kobayashi, J.-H. Kuo, N. Mrad

Proceedings Volume 6532, 653206 (2007) https://doi.org/10.1117/12.715290

KEYWORDS: Transducers, Wave plates, Aluminum, Nondestructive evaluation, Acoustics, Composites, Ultrasonics, Velocity measurements, Electrodes, Temperature metrology

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Proceedings Article | 10 April 2007 Paper

Effect of cyclic electric fields on crack growth in a moderately soft piezoelectric ceramic

S. Ferguson, H. King, N. Mrad, D. Waechter, B. Yan, R. Blacow, S. Prasad

Proceedings Volume 6529, 652928 (2007) https://doi.org/10.1117/12.716885

KEYWORDS: Ferroelectric materials, Ceramics, Electrodes, Diamond, Nondestructive evaluation, Sensors, Defense and security, Sensor technology, Lead, Dielectrics

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Proceedings Article | 20 March 2006 Paper

Application of Dempster-Shafer theory for fusion of lap joints inspection data

Zheng Liu, Abbas Fahr, Nezih Mrad

Proceedings Volume 6176, 61761J (2006) https://doi.org/10.1117/12.658527

KEYWORDS: Inspection, Corrosion, Data fusion, Probability theory, X-rays, Nondestructive evaluation, Data modeling, Associative arrays, Image fusion, Defense and security

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Proceedings Article | 15 July 2002 Paper

Dynamic and static assessment of piezoelectric embedded composites

Francois Cote, Patrice Masson, Nezih Mrad

Proceedings Volume 4701, (2002) https://doi.org/10.1117/12.474667

KEYWORDS: Actuators, Composites, Thermal modeling, Manufacturing, Smart structures, MATLAB, Modeling, Ceramics, Dielectrics, Ferroelectric materials

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Proceedings Article | 31 May 1999 Paper

Strain monitoring and fatigue life of Bragg grating fiber optic sensors

Nezih Mrad, Sherri Sparling, Jeremy Laliberte

Proceedings Volume 3670, (1999) https://doi.org/10.1117/12.349717

KEYWORDS: Fiber optics sensors, Sensors, Resistance, Photoelasticity, Coating, Fiber Bragg gratings, Reliability, Optical fibers, Aerospace engineering, Fiber optics

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Showing 5 of 25 publications

Conference Committee Involvement (4)

Photonic Applications for Aviation, Aerospace, Commercial, and Harsh Environments V

19 August 2014 | San Diego, California, United States

Photonic Applications for Aerospace, Commercial, and Harsh Environments IV

29 April 2013 | Baltimore, Maryland, United States

Photonic Applications for Aerospace, Transportation, and Harsh Environment III

23 April 2012 | Baltimore, Maryland, United States

Photonics in the Transportation Industry: Auto to Aerospace II

13 April 2009 | Orlando, Florida, United States

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