Dr. Kristen Hagan Profile

Dr. Kristen Hagan

Space Laser Engineer at SpaceX

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Publications (5)

Proceedings Article | 17 March 2023 Presentation

Spiral scanning for improved fixation in confocal scanning laser ophthalmoscopy

Franklin Wei, Kristen Hagan, Claire Li, Anthony Kuo, Joseph Izatt, Al-Hafeez Dhalla

Proceedings Volume PC12360, PC123600X (2023) https://doi.org/10.1117/12.2649733

KEYWORDS: Scanning laser ophthalmoscopy, Confocal microscopy, Raster graphics, Retina, Optical coherence tomography, Scanners, Retinal scanning, Reflectivity, Ophthalmic imaging, Imaging devices

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Proceedings Article | 15 March 2023 Presentation + Paper

Dual modality handheld adaptive optics optical coherence tomography probe for in vivo 3-D photoreceptor imaging

Kristen Hagan, Jongwan Park, Theodore DuBose, Somayyeh Soltanian-Zadeh, Al-Hafeez Dhalla, Anthony Kuo, Ryan McNabb, Joseph Izatt, Sina Farsiu

Proceedings Volume 12360, 123600D (2023) https://doi.org/10.1117/12.2648479

KEYWORDS: Adaptive optics, Optical coherence tomography, Biomedical optics, Adaptive optics optical coherence tomography, Scanning laser ophthalmoscopes, In vivo imaging, Ophthalmology, Scanning laser ophthalmoscopy, Retinal scanning, Retina

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Proceedings Article | 7 March 2022 Presentation

First handheld adaptive optics optical coherence tomography probe for in vivo imaging of photoreceptors

Kristen Hagan, Jongwan Park, Theodore DuBose, Somayyeh Soltanian-Zadeh, Gar Waterman, Al-Hafeez Dhalla, Anthony Kuo, Ryan McNabb, Joseph Izatt, Sina Farsiu

Proceedings Volume 11941, 119410A (2022) https://doi.org/10.1117/12.2609182

KEYWORDS: Adaptive optics optical coherence tomography, Optical coherence tomography, Imaging systems, Adaptive optics, Image resolution, Cones, Wavefront sensors, Visualization, Tissues, Spectroscopy

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Proceedings Article | 19 February 2020 Paper

Wavefront sensorless multimodal handheld adaptive optics scanning laser ophthalmoscope for in vivo imaging of human retinal cones

Kristen Hagan, Theodore DuBose, David Cunefare, Corey Simmerer, Gar Waterman, Jongwan Park, Anthony Kuo, Ryan McNabb, Joseph Izatt, Sina Farsiu

Proceedings Volume 11218, 112180X (2020) https://doi.org/10.1117/12.2544407

KEYWORDS: Confocal microscopy, Imaging systems, Adaptive optics, Cones, Wavefronts, Sensors, Image registration, Eye, Retina

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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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