Mr. Nicholas A. Makrakis Profile

Nicholas A. Makrakis

at NAWCAD

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 6 June 2024 Presentation + Paper

Initial laboratory and field testing of the modulated underwater laser imaging system

Nicholas Makrakis, David Illig, Linda Mullen

Proceedings Volume 13061, 1306106 (2024) https://doi.org/10.1117/12.3014336

KEYWORDS: LIDAR, Underwater imaging, Point clouds, Modulation, Signal attenuation, Prototyping, Laser imaging, Pulse signals, Turbidity, Laser systems engineering, Imaging systems, Receivers

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Proceedings Article | 12 June 2023 Presentation + Paper

Range-Doppler processing of the underwater radar-encoded laser system

David Illig, Nicholas Makrakis, Linda Mullen

Proceedings Volume 12543, 1254307 (2023) https://doi.org/10.1117/12.2663398

KEYWORDS: LIDAR, Backscatter, Signal attenuation, Pulse signals, Matrices, Pulsed laser operation, Laser systems engineering, Turbidity, Object detection, Modulation

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Proceedings Article | 30 May 2022 Presentation + Paper

Range-Doppler technique applied to underwater pulsed laser system

David Illig, Nicholas Makrakis, Linda Mullen

Proceedings Volume 12118, 1211808 (2022) https://doi.org/10.1117/12.2618013

KEYWORDS: Backscatter, LIDAR, Signal attenuation, Pulsed laser operation, Sensors, Scattering, Laser systems engineering, Receivers, Laser scattering

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Proceedings Article | 12 April 2021 Presentation + Paper

Pattern classification for enhanced detection using the underwater radar-encoded laser system

David Illig, Nicholas Makrakis, Linda Mullen

Proceedings Volume 11752, 117520F (2021) https://doi.org/10.1117/12.2585522

KEYWORDS: Laser systems engineering, Image classification, Classification systems, Signal to noise ratio, Machine learning, Laser scattering, Imaging systems, Absorption, Visualization, Underwater imaging

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Proceedings Article | 21 May 2020 Presentation + Paper

Optical communication in maritime environments using orbital angular momentum

K. Peter Judd, Patrick Mahan, Nicholas Makrakis, J. Lindle, Abbie Watnik, Wade Freeman, Bob Sagusti, Patrick Neary, Charles Payne, Carlos Font

Proceedings Volume 11420, 114200E (2020) https://doi.org/10.1117/12.2560262

KEYWORDS: Optical communications, Lithium

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