Mr. Hermanus S. Pretorius Profile

Hermanus S. Pretorius

at MIT Lincoln Lab

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Author

Publications (8)

Proceedings Article | 7 June 2024 Presentation + Paper

Afterpulsing in 1550nm Geiger-mode avalanche photodiode focal plane arrays

Zachary Farhm, Hermanus Pretorius, K. Alexander McIntosh, Erik Duerr

Proceedings Volume 13025, 1302502 (2024) https://doi.org/10.1117/12.3014137

KEYWORDS: Readout integrated circuits, Windows, Data processing, Sensors, Avalanche photodiodes, Histograms, Avalanche photodetectors, Air force, Activation energy, Data modeling

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Proceedings Article | 30 May 2022 Presentation + Paper

Geiger-mode avalanche photodiode arrays fabricated on SOI engineered-substrates

Kevin Ryu, Brian Aull, Michael Collins, Noah Pestana, Joseph Ciampi, Rabindra Das, Kevan Donlon, Hermanus Pretorius, Meera Punjiya, Alex McIntosh, Erik Duerr

Proceedings Volume 12089, 120890C (2022) https://doi.org/10.1117/12.2618610

KEYWORDS: Semiconducting wafers, Silicon, Readout integrated circuits, Wafer bonding, Sensors, Avalanche photodiodes, Single photon detectors, LIDAR

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Proceedings Article | 30 May 2022 Presentation + Paper

A direct-detection LIDAR detector for the Europa lander concept

Meera Punjiya, Kevin Ryu, Brian Aull, K. Alexander McIntosh, Kevan Donlon, Mike Brattain, Hermanus Pretorius, Denis Nothern, Noah Pestana, Thomas Karolyshyn, Jorgo Mihallari, Zachary Kranefeld, Erik Duerr, Anup Katake, Alejandro Miguel San Martin

Proceedings Volume 12089, 1208903 (2022) https://doi.org/10.1117/12.2618800

KEYWORDS: Sensors, Silicon, Readout integrated circuits, LIDAR, Microlens array, Avalanche photodetectors, Silica, Aluminum nitride, Tolerancing, Reticles

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Proceedings Article | 9 June 2021 Presentation + Paper

Probabilistic processing of Geiger-mode avalanche photodiode arrays for background rate measurements

H. Pretorius, B. Aull, H. Clark, J. MacDonald, N. Pestana, K. McIntosh, E. Duerr, A. Katake, J. Mumolo

Proceedings Volume 11721, 117210S (2021) https://doi.org/10.1117/12.2588469

KEYWORDS: Sensors, Avalanche photodiodes, Imaging systems, Detection and tracking algorithms, Sensor performance, Error analysis, Binary data

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Proceedings Article | 12 April 2021 Presentation + Paper

Evaluation of asynchronous geiger-mode avalanche photodiode arrays for deep-space optical communications

N. Pestana, H. Clark, J. MacDonald, Z. Kranefeld, F. O'Donnell, H. Pretorius, K. McIntosh, E. Duerr

Proceedings Volume 11721, 117210Q (2021) https://doi.org/10.1117/12.2589700

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Proceedings Article | 11 March 2016 Paper

486nm blue laser operating at 500 kHz pulse repetition frequency

Daniel Creeden, Jon Blanchard, Herman Pretorius, Julia Limongelli, Scott Setzler

Proceedings Volume 9728, 972829 (2016) https://doi.org/10.1117/12.2209314

KEYWORDS: Fiber lasers, Pulsed laser operation, Second-harmonic generation, Light, Laser sources, Harmonic generation, Fiber amplifiers, Frequency conversion, Thulium, High power lasers, Optical isolators, Single mode fibers, Ocean optics

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Proceedings Article | 11 March 2016 Paper

Single frequency 1560nm Er:Yb fiber amplifier with 207W output power and 50.5% slope efficiency

Daniel Creeden, Herman Pretorius, Julia Limongelli, Scott Setzler

Proceedings Volume 9728, 97282L (2016) https://doi.org/10.1117/12.2212480

KEYWORDS: Fiber amplifiers, Ytterbium, Fiber lasers, Erbium, Diodes, Optical amplifiers, Energy transfer, Laser applications

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Proceedings Article | 11 March 2016 Paper

Comparison of high power large mode area and single mode 1908nm Tm-doped fiber lasers

Benjamin Johnson, Daniel Creeden, Julia Limongelli, Herman Pretorius, Jon Blanchard, Scott Setzler

Proceedings Volume 9728, 972810 (2016) https://doi.org/10.1117/12.2209677

KEYWORDS: Fiber lasers, Thulium, Oscillators, Solid state lasers, Solid state physics, Diodes, Neodymium, Cladding, Structured optical fibers, Singular optics, Single mode fibers

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Showing 5 of 8 publications

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