Dr. Ahmed M. Hassan Profile

Dr. Ahmed M. Hassan

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Publications (5)

Proceedings Article | 4 March 2022 Presentation + Paper

Longitudinal multiphoton microscopy of neural structure using a diamond Raman laser and Yb fiber amplifier

Shaun Engelmann, Samuel Mihelic, Annie Zhou, Ahmed Hassan, Michael Williamson, Andrew Dunn

Proceedings Volume 11991, 1199104 (2022) https://doi.org/10.1117/12.2610074

KEYWORDS: Diamond, Ytterbium, Fiber amplifiers, Fiber lasers, Imaging systems, Neurons, Multiphoton microscopy, Microscopes, Laser systems engineering

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Proceedings Article | 1 March 2019 Presentation + Paper

Computational speckle contrast optical tomography

David Miller, Chakameh Jafari, Colin Sullender, Samuel Mihelic, Ahmed Hassan, Andrew Dunn

Proceedings Volume 10877, 1087707 (2019) https://doi.org/10.1117/12.2512456

KEYWORDS: Monte Carlo methods, Brain, Laser speckle contrast imaging, Speckle, Scattering, Blood circulation, Neurons, Tissue optics, Dynamic light scattering, Visualization, Brain-machine interfaces, Optical imaging, Neuroimaging

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Proceedings Article | 23 February 2018 Paper

Polymer dots enable deep in vivo multiphoton fluorescence imaging of cerebrovascular architecture

Ahmed Hassan, Xu Wu, Jeremy Jarrett, Shihan Xu, David Miller, Jiangbo Yu, Evan Perillo, Yen-Liang Liu, Daniel Chiu, Hsin-Chih Yeh, Andrew Dunn

Proceedings Volume 10498, 104982Y (2018) https://doi.org/10.1117/12.2290404

KEYWORDS: Polymers, In vivo imaging, Absorption, Scattering, Multiphoton fluorescence microscopy, Semiconductors

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Proceedings Article | 23 February 2018 Presentation + Paper

In vivo, two-color multiphoton microscopy using a femtosecond diamond Raman laser

Jeremy Jarrett, Evan Perillo, Ahmed Hassan, David Miller, Andrew Dunn

Proceedings Volume 10498, 104981V (2018) https://doi.org/10.1117/12.2289299

KEYWORDS: Diamond, Raman spectroscopy, In vivo imaging, Fiber lasers, Fiber amplifiers, Microscopes, Mirrors, Multiphoton microscopy, Imaging systems, Laser systems engineering

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Proceedings Article | 21 February 2017 Presentation + Paper

In vivo multiphoton microscopy beyond 1 mm in the brain

David Miller, Flor Medina, Ahmed Hassan, Evan Perillo, Kristen Hagan, S. M. Shams Kazmi, Boris Zemelman, Andrew Dunn

Proceedings Volume 10069, 100690C (2017) https://doi.org/10.1117/12.2249949

KEYWORDS: Multiphoton microscopy, In vivo imaging, Two photon excitation microscopy, Tissue optics, Brain, Optical amplifiers, Indocyanine green, Two photon imaging, Brain imaging, Sapphire, Neurons, Luminescence, Oscillators, Microscopes, 3D image reconstruction

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