Dr. Yasser H. El-Sharkawy Profile

Dr. Yasser H. El-Sharkawy

Assoc. Prof in Biomedical Dep in MTC at Military Technical College

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 8 March 2016 Paper

Paper

Design and implementation of a deception jamming system for laser receivers

Ahmed Bahgat, Ashraf El-Sherif, Yaser El-Sharkawy

Proceedings Volume 9768, 97681M (2016) https://doi.org/10.1117/12.2206011

KEYWORDS: Laser countermeasures, High power lasers, Light emitting diodes, Signal to noise ratio, Digital signal processing, Receivers, Phase shifts, Pulsed laser operation, Laser scattering, Signal processing, Metals, Laser applications, Polymers, Signal detection, Laser systems engineering

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Proceedings Article | 26 March 2015 Paper

Paper

Underwater laser detection system

Walid Gomaa, Ashraf El-Sherif, Yasser El-Sharkawy

Proceedings Volume 9342, 934221 (2015) https://doi.org/10.1117/12.2080181

KEYWORDS: Target detection, Laser sources, Submerged target detection, Metals, Imaging systems, Absorption, Light sources, Laser systems engineering, Scattering, Signal attenuation

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Proceedings Article | 4 March 2014 Paper

Paper

Image processing with the radial Hilbert transform of photo-thermal imaging for carious detection

Yasser El-Sharkawy

Proceedings Volume 8947, 89472A (2014) https://doi.org/10.1117/12.2039435

KEYWORDS: Teeth, Edge detection, Thermography, Tissue optics, Absorption, Imaging systems, Cameras, Image processing, Detection and tracking algorithms, Nd:YAG lasers

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Proceedings Article | 18 February 2014 Paper

Paper

Characterization, diagnosis and ablation of human teeth using blue laser at 457 nm

Ashraf El-Sherif, Walid Gomaa, Yasser El-Sharkawy

Proceedings Volume 8929, 892902 (2014) https://doi.org/10.1117/12.2038590

KEYWORDS: Teeth, Absorption, Dental caries, Laser tissue interaction, Laser ablation, Spectroscopy, Tissues, Laser sources, Laser dentistry, Optical properties

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SPIE Journal Paper | 27 January 2014 Open Access

Open Access

High-performance near-infrared imaging for breast cancer detection

Yasser El-Sharkawy, Ashraf El-Sherif

JBO, Vol. 19, Issue 01, 016018, (January 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.1.016018

KEYWORDS: Tumors, Thermography, Tissues, Laser tissue interaction, Breast cancer, Near infrared, Tissue optics, Breast, Mammography, Absorption

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Proceedings Article | 9 February 2012 Paper

Paper

Human teeth model using photoacoustic frequency response

Yasser El-Sharkawy, Ashraf El-Sherif

Proceedings Volume 8221, 82210J (2012) https://doi.org/10.1117/12.903854

KEYWORDS: Teeth, Photoacoustic spectroscopy, Tissues, Acoustics, Modulation, Pulsed laser operation, Laser sources, Tissue optics, Thermography, Absorption

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Proceedings Article | 19 February 2011 Paper

Paper

Laser ultrasound characterization of normal and decayed teeth by measuring elastic properties of surface layers

Yasser El-Sharkawy, Ashraf ElSherif

Proceedings Volume 7897, 78971K (2011) https://doi.org/10.1117/12.868322

KEYWORDS: Teeth, Acoustics, Laser tissue interaction, Tissues, Natural surfaces, Phase velocity, Signal attenuation, Absorption, Laser dentistry, Wave propagation

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Proceedings Article | 8 September 2010 Paper

Paper

Multivariate image analysis of laser-induced photothermal imaging used for detection of caries tooth

Ashraf El-Sherif, Wessam Abdel Aziz, Yasser El-Sharkawy

Proceedings Volume 7798, 77981R (2010) https://doi.org/10.1117/12.860032

KEYWORDS: Teeth, Dental caries, Thermography, RGB color model, Absorption, Laser tissue interaction, Image analysis, Cameras, Tissues, Principal component analysis

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Proceedings Article | 23 March 2010 Paper

Paper

Nonintrusive noncontacting frequency-domain photothermal radiometry of caries

Yasser El-Sharkawy, Bassam Abd-Elwahab

Proceedings Volume 7622, 76224F (2010) https://doi.org/10.1117/12.843769

KEYWORDS: Teeth, Thermography, Absorption, Dental caries, Tissue optics, Diffusion, Infrared radiation, Modulation, Laser tissue interaction, Radiometry

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Proceedings Article | 24 February 2009 Paper

Paper

Determination of glucose concentration using Fourier domain optical coherence tomogram

Yasser El-Sharkawy

Proceedings Volume 7182, 71821L (2009) https://doi.org/10.1117/12.808415

KEYWORDS: Glucose, Optical coherence tomography, Refractive index, Scattering, CCD cameras, Tissues, Spectroscopy, Absorbance, Light scattering, Coherence (optics)

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Proceedings Article | 20 February 2009 Paper

Paper

Physical and thermal properties of human teeth determined by photomechanical, photothermal images to rapidly diagnose

Yasser Elsharkawy

Proceedings Volume 7186, 71860K (2009) https://doi.org/10.1117/12.807989

KEYWORDS: Teeth, Absorption, Tissue optics, Thermography, Dental caries, Tissues, Diagnostics, Laser spectroscopy, Spectroscopy, Reflectivity

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Proceedings Article | 11 February 2008 Paper

Paper

Laser-induced photothermal technique used for detection of caries in human tooth

Ashraf El-Sherif, Yasser El-Sharkawy

Proceedings Volume 6843, 68430B (2008) https://doi.org/10.1117/12.759157

KEYWORDS: Teeth, Dental caries, Tissues, Photoacoustic spectroscopy, Absorption, Thermography, Sensors, Acoustics, Pulsed laser operation, Transducers

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Proceedings Article | 6 March 2006 Paper

Paper

Laser generation and detection of surface acoustic waves: used for breast cancer detection

Yasser El-Sharkawy, Y. Badr, M. Hassan

Proceedings Volume 6139, 61390Y (2006) https://doi.org/10.1117/12.637784

KEYWORDS: Acoustics, Natural surfaces, Tissue optics, Photoacoustic spectroscopy, Breast, Absorption, Polymer thin films, Tissues, Polymers, Laser tissue interaction

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Proceedings Article | 15 February 2006 Paper

Paper

Diagnostic of human teeth using photoacoustic response

Yasser El-Sharkawy, Y. Badr, M. Gadallah, Ashraf El-Sherif

Proceedings Volume 6137, 613701 (2006) https://doi.org/10.1117/12.634879

KEYWORDS: Teeth, Photoacoustic spectroscopy, Transducers, Diagnostics, Laser dentistry, Michelson interferometers, Tissue optics, Statistical analysis, Acoustics, Signal detection

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Proceedings Article | 8 April 2005 Paper

Paper

Laser-induced photoacoustic imaging for characterizing biological tissues

Yasser El-Sharkawy, Yehia Badr, Mahmoud Hassan

Proceedings Volume 5689, (2005) https://doi.org/10.1117/12.581462

KEYWORDS: Tissues, Breast, Tumors, Photoacoustic spectroscopy, Tissue optics, Absorption, Photoacoustic imaging, Excimer lasers, Thermography, Interferometers

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Showing 5 of 15 publications

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