Prof. Jahja O. Kokaj Profile

Prof. Jahja O. Kokaj

Professor at Kuwait Univ

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Author

Publications (11)

Proceedings Article | 12 April 2005 Paper

Visualization of ultrafast phenomena during the laser-induced lithotripsy

Mustafa Marafi, Jahja Kokaj

Proceedings Volume 5744, (2005) https://doi.org/10.1117/12.596498

KEYWORDS: Pulsed laser operation, Visualization, Laser lithotripsy, Ultrafast phenomena, Laser therapeutics, YAG lasers, Electron microscopes, Interferometry, Wave propagation, Chemical reactions

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Proceedings Article | 19 November 2003 Paper

Microscopy of phenomena akin to laser lithotripsy

Jahja Kokaj, Josef Mathew

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530477

KEYWORDS: Pulsed laser operation, Laser lithotripsy, Microscopy, Ultrafast phenomena, Microscopes, Visualization, Bladder, YAG lasers, Plasma, Physics

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Proceedings Article | 13 November 2001 Paper

Correlation of the gallbladder stone and tissue fluorescent images

Jahja Kokaj, Mustafa Marafi, Yacob Makdisi, Kuldip Bhatia

Proceedings Volume 4471, (2001) https://doi.org/10.1117/12.449330

KEYWORDS: Tissues, Laser lithotripsy, Laser tissue interaction, Gallbladder, Laser therapeutics, Streak cameras, Holmium, Endoscopy, Pulsed laser operation, Optical fibers

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Proceedings Article | 17 April 2001 Paper

High-speed photography during laser-based gall bladder stone lithotripsy

Jahja Kokaj

Proceedings Volume 4183, (2001) https://doi.org/10.1117/12.424256

KEYWORDS: Pulsed laser operation, Plasma, Bladder, High speed photography, YAG lasers, Holmium, Laser therapeutics, Optical fibers, Fiber lasers, Laser lithotripsy

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Proceedings Article | 11 October 2000 Paper

Morphological image processing of a bubble in laser-induced shock-wave lithotripsy

Jahja Kokaj

Proceedings Volume 4197, (2000) https://doi.org/10.1117/12.403752

KEYWORDS: Laser therapeutics, Fiber lasers, Image processing, Laser tissue interaction, Laser processing, Pulsed laser operation, Photography, Holmium, Natural surfaces, Edge detection

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Proceedings Article | 31 March 2000 Paper

Equivalence of two approaches to the design of optically realizable correlation filters

Siriluck Tipmongkonslip, Bhagavatula Vijaya Kumar, Jahja Kokaj

Proceedings Volume 4043, (2000) https://doi.org/10.1117/12.381590

KEYWORDS: Signal to noise ratio, Spatial light modulators, Sensors, Optical transfer functions, Phase only filters, Optical filters, Image filtering, Optimal filtering, Optical design, Bladder

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Proceedings Article | 9 March 1999 Paper

Gallbladder stone inspection and identification for laser lithotripsy

Yacob Makdisi, Jahja Kokaj

Proceedings Volume 3715, (1999) https://doi.org/10.1117/12.341318

KEYWORDS: Bladder, Plasma, Laser lithotripsy, Photography, Pulsed laser operation, Optical filters, Image filtering, Laser energy, Laser tissue interaction, Tissues

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Proceedings Article | 23 March 1998 Paper

Smart Ho:YAG laser lithotriptor using optical correlation

Jahja Kokaj, Mustafa Marafi, Yacob Makdisi, Kuldip Bhatia, K. Mathew, Nebi Caka, Rexhep Hasani

Proceedings Volume 3386, (1998) https://doi.org/10.1117/12.304776

KEYWORDS: YAG lasers, Holmium, Pulsed laser operation, Bladder, Spectroscopy, Laser optics, Laser tissue interaction, Tissues, Laser therapeutics, Laser spectroscopy

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Proceedings Article | 27 March 1997 Paper

Calculation of reflectivity and transmissivity of a multilayer refractive system using signal graph flow approach

Jahja Kokaj, Yacob Makdisi, Kuldip Bhatia

Proceedings Volume 3073, (1997) https://doi.org/10.1117/12.270395

KEYWORDS: Reflection, Reflectivity, Multilayers, Semiconductors, Thin films, Silicon, Silicon films, Crystals, Heterojunctions, Control systems

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Proceedings Article | 28 March 1995 Paper

Calculation of polarization states of transmitted and reflected light from the sandwich structure of photorefractive elements

Jahja Kokaj, Yacob Makdisi, Kuldip Bahtia

Proceedings Volume 2490, (1995) https://doi.org/10.1117/12.205792

KEYWORDS: Polarization, Dielectric polarization, Elliptical polarization, Refractive index, Crystals, Multilayers, Refraction, Optical components, Transmittance, Information operations

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Proceedings Article | 1 March 1991 Paper

Morphological processing to reduce shading and illumination effects

David Casasent, Roland Schaefer, Jahja Kokaj

Proceedings Volume 1385, (1991) https://doi.org/10.1117/12.25357

KEYWORDS: Image processing, Binary data, Machine vision, Automatic target recognition, Optical correlators, Satellites, Optical components, Satellite imaging, Solar cells, Image restoration

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Showing 5 of 11 publications

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