Mr. Mohamed Elattar Profile

Mohamed Elattar

Doctoral Candidate at Ferdinand-Braun-Institut gGmbH (FBH)

SPIE Involvement:

Author

Area of Expertise:

Laser Diode , High-Power , Optoelectronics , Semiconductor Laser , Device Physics , Photonics

Publications (5)

Proceedings Article | 14 March 2023 Presentation + Paper

Tailored in-plane thermal profiles for narrower lateral far-field in kilowatt-class 9xx nm diode laser bars

Paul Crump, Md. Jarez Miah, Matthias Karow, Mohamed Elattar, Dominik Martin, Pietro Della Casa, Günther Tränkle, Andrea Knigge, Stephan Strohmaier, Stefan Grützner

Proceedings Volume 12403, 124030I (2023) https://doi.org/10.1117/12.2648355

KEYWORDS: Design and modelling, Semiconductor lasers, Beam divergence, Resistance, Laser bars, Temperature distribution, Fabrication, Laser resonators, High power lasers, Thermal lensing

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Proceedings Article | 4 March 2022 Presentation + Paper

Progress in experimental studies into the beam parameter product of GaAs-based high-power diode lasers

Pietro Della Casa, Andrea Knigge, Paul Crump, Mohamed Elattar, Md. Jarez Miah, Michael Ekterai, Matthias Karow, Dominik Martin, Andre Maaßdorf, Stewart McDougall, Carlo Holly, Simon Rauch, Stefan Gruetzner, Stephan Strohmaier, Günther Tränkle

Proceedings Volume 11983, 1198307 (2022) https://doi.org/10.1117/12.2610277

KEYWORDS: Semiconductor lasers, High power lasers, Temperature metrology, Continuous wave operation, Near field, Optical testing, Near field optics, Thermography

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Proceedings Article | 5 March 2021 Presentation + Paper

Enhanced self-aligned structure for improved lateral brightness in 940 nm high-power broad-area diode lasers

M. Elattar, O. Brox, P. Della Casa, A. Maaßdorf, D. Martin, H. Wenzel, A. Knigge, P. Crump

Proceedings Volume 11705, 117050N (2021) https://doi.org/10.1117/12.2578190

KEYWORDS: Semiconductor lasers, High power lasers, Polarization, Process control, Laser applications, Ion implantation, Etching, Doping

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Proceedings Article | 5 March 2021 Presentation + Paper

Single-pass tapered semiconductor optical amplifiers and modules for efficient coherent beam combining

G. Blume, M. Elattar, G. Tränkle, P. Crump, D. Feise, A. Ginolas, J. Fricke, A. Maaβdorf, K. Paschke, P. Albrodt, J. Hamperl, P. Georges, G. Lucas-Leclin

Proceedings Volume 11705, 117050M (2021) https://doi.org/10.1117/12.2578512

KEYWORDS: Optical amplifiers, Semiconductor optical amplifiers, Semiconductors, Optical semiconductors, Near field

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Proceedings Article | 9 May 2018 Paper

Optical manipulation of current confinement in VCSELs with an external laser beam

Sven Bader, Mohamed Elattar, Philipp Gerlach, Rainer Michalzik

Proceedings Volume 10682, 1068218 (2018) https://doi.org/10.1117/12.2306239

KEYWORDS: Photons, Vertical cavity surface emitting lasers, Optical manipulation, Absorption, Phototransistors

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