Dr. Hussein E. Kotb Profile

Dr. Hussein E. Kotb

Assistant Professor at Ain Shams Univ

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Publications (9)

Proceedings Article | 12 March 2024 Poster + Paper

An imaging homogenizer for DLP-based 3D printer

Mayar Magdy, Alaa Fathy, Hussein Kotb, Ahmed Samir, Diaa Khalil

Proceedings Volume 12899, 128990Q (2024) https://doi.org/10.1117/12.3005186

KEYWORDS: Prisms, Digital micromirror devices, Microlens array, Beam homogenizers, 3D printing, Light sources and illumination, Design, Light sources, Printing, Optical simulations

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Proceedings Article | 8 March 2024 Poster + Paper

Wavelength tunable filter based on MMI in optical fibers

Mohamed Ali, Hussein Kotb, Kirollos Matta, Diaa Khalil

Proceedings Volume 12882, 128820S (2024) https://doi.org/10.1117/12.3001439

KEYWORDS: Tunable filters, Mirrors, Single mode fibers, Optical filters, Multimode fibers, Design, Reflection, Brain-machine interfaces, Spectral response, Optical fibers

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Proceedings Article | 21 February 2020 Paper

Comprehensive study on the parameters affecting the line-width and stability of SOA-based SLM random fiber laser

Heba Shawki, Hussein Kotb, Diaa Khalil

Proceedings Volume 11260, 1126028 (2020) https://doi.org/10.1117/12.2542661

KEYWORDS: Optical filters, Single mode fibers, Mirrors, Fiber lasers, Spatial light modulators, Silver, Laser scattering, Backscatter, Scattering, Polarization

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Proceedings Article | 26 February 2018 Paper

Narrow line width dual wavelength semiconductor optical amplifier based random fiber laser

Heba Shawki, Hussein Kotb, Diaa Khalil

Proceedings Volume 10512, 105122D (2018) https://doi.org/10.1117/12.2289189

KEYWORDS: Fiber lasers, Semiconductor optical amplifiers, Single mode fibers, Backscatter, Optical amplifiers, Spatial light modulators, Mirrors, Terahertz radiation, Bandpass filters

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Proceedings Article | 22 February 2018 Paper

MEMS-based Fourier transform spectrometer using pulsed infrared light source

Ahmed Othman, Hussein Kotb, Yasser Sabry, Diaa Khalil

Proceedings Volume 10545, 105450Y (2018) https://doi.org/10.1117/12.2287481

KEYWORDS: Modulation, Spectroscopy, Distortion, Signal to noise ratio, FT-IR spectroscopy, Infrared spectroscopy, Microelectromechanical systems

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Proceedings Article | 22 February 2017 Paper

Dual wavelength SOA based fiber ring laser

Haitham Omran, Hussein Kotb, Diaa Khalil

Proceedings Volume 10083, 1008322 (2017) https://doi.org/10.1117/12.2248518

KEYWORDS: Semiconductor optical amplifiers, Fiber lasers, Polarization, Phase modulation, Tunable filters, Spectrum analysis, Polarization control, Fiber couplers, Positive feedback, Sensors, Laser systems engineering, Optical filters, Optical amplifiers, Semiconductor lasers, Laser applications

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Proceedings Article | 22 February 2017 Paper

Narrow line width semiconductor optical amplifier based random laser

Heba Shawki, Hussein Kotb, Diaa Khalil

Proceedings Volume 10083, 100832C (2017) https://doi.org/10.1117/12.2251786

KEYWORDS: Semiconductor optical amplifiers, Fiber lasers, Random lasers, Laser damage threshold, Laser optics, Laser scattering, Rayleigh scattering, Scattering, Fabry–Perot interferometers, Semiconductor lasers, Single mode fibers, Backscatter, Mirrors, Signal to noise ratio, Polarization

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Proceedings Article | 11 March 2014 Paper

Effect of mode locking technique on the filtering bandwidth limitation in all normal dispersion femtosecond fiber laser

Hussein Kotb, Mohamed Abdelalim, Hanan Anis

Proceedings Volume 8961, 89613A (2014) https://doi.org/10.1117/12.2038248

KEYWORDS: Optical filters, Mode locking, Laser resonators, Solitons, Wave plates, Fiber lasers, Optical simulations, Single mode fibers, Femtosecond fiber lasers, Pulsed laser operation

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Proceedings Article | 16 February 2012 Paper

Increasing energy in an ytterbium femtosecond fiber laser with a longer gain medium and lower doping

Katherine Bock, Hussein Kotb, Mohamed Abdelalim, Hanan Anis

Proceedings Volume 8237, 823731 (2012) https://doi.org/10.1117/12.908886

KEYWORDS: Ytterbium, Doping, Dispersion, Single mode fibers, Phase shifts, Femtosecond fiber lasers, Mode locking, Fiber lasers, Picosecond phenomena, Oscilloscopes

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Showing 5 of 9 publications

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