Dr. Matthew Kalensky Profile

Dr. Matthew Kalensky

Engineer

SPIE Involvement:

Conference Chair | Editor | Author

Area of Expertise:

Beam Control , Adaptive Optics , Atmospheric Propagation , Deep Turbulence Characterization , Wavefront Sensing , Aero Optics

Publications (21)

Proceedings Article | 7 October 2024 Presentation + Paper

Branch point detection in SMASH measurements using second-moment wavefront sensor statistics

Denis Oesch, Matthew Kalensky, Michael Sexauer

Proceedings Volume 13149, 131490Z (2024) https://doi.org/10.1117/12.3027213

KEYWORDS: Wavefront sensors, Turbulence, Beam path, Atmospheric propagation, Wavefronts, Scintillation, Adaptive optics, Light wave propagation, Geometrical optics, Air force

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Proceedings Article | 7 October 2024 Presentation + Paper

Comparison of Shack-Hartmann and digital holographic wavefront sensing using a benchtop turbulence generator

Timothy Bukowski, Matthew Kalensky, Darren Getts, Stanislav Gordeyev

Proceedings Volume 13149, 1314910 (2024) https://doi.org/10.1117/12.3026892

KEYWORDS: Simulations, Wavefronts, Turbulence, Spatial light modulators, Wavefront sensors, Digital holography, Wave propagation, Phase measurement, Beam propagation method, Scintillation

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Proceedings Article | 7 October 2024 Presentation + Paper

Branch-point compensation in extended-beacon adaptive optics

Matthew Kalensky, Derek Burrell, Mark Spencer, Matthias Banet, Denis Oesch, Darren Getts

Proceedings Volume 13149, 131491G (2024) https://doi.org/10.1117/12.3026889

KEYWORDS: Turbulence, Simulations, Atmospheric propagation, Speckle, Receivers, Laser systems engineering, Laser beam propagation, Adaptive optics, Light wave propagation

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Proceedings Article | 7 October 2024 Presentation + Paper

Illumination power requirements for an MCT APD vs. a COTS camera at 1.645um

Joshua Follansbee, Kayla Frye, Nicholas Hui, Casey Clark, Ronald Driggers, Matthew Kalensky

Proceedings Volume 13149, 1314909 (2024) https://doi.org/10.1117/12.3027363

KEYWORDS: Cameras, Avalanche photodetectors, Sensors, Nonuniformity corrections, Commercial off the shelf technology, Signal to noise ratio, Short wave infrared radiation, Light sources and illumination, Pulsed laser operation, Photons

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Proceedings Article | 7 October 2024 Presentation + Paper

Phase discontinuity classification from single-aperture irradiance patterns using machine learning

Thomas DeFoor, Timothy Bukowski, Matthew Kalensky, Stanislav Gordeyev

Proceedings Volume 13149, 131490F (2024) https://doi.org/10.1117/12.3028274

KEYWORDS: Discontinuities, Machine learning, Phase reconstruction, Wavefront sensors, Algorithm development

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Proceedings Article | 6 June 2024 Presentation + Paper

Comparison between phase retrieval methods for laser light propagated through Rayleigh-Benard underwater convection

Owen O'Malley, Svetlana Avramov-Zamurovic, Nathaniel Ferlic, Matthew Kalensky, K. Peter Judd, Carlos Pirela, Thomas Kelly

Proceedings Volume 13061, 130610H (2024) https://doi.org/10.1117/12.3013458

KEYWORDS: Turbulence, Optical turbulence, Optical simulations, Convection, Wavefront sensors, Detection and tracking algorithms, Wavefronts, Atmospheric propagation, Laser beam propagation, Phase measurement

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SPIE Journal Paper | 24 January 2024 Open Access

Experimental and computational investigation of Shack–Hartmann wavefront sensor measurements through a free shear layer

Jonathan Wells, Matthew Kalensky, R. Mark Rennie, Eric J. Jumper

OE, Vol. 63, Issue 01, 014108, (January 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.1.014108

KEYWORDS: Simulations, Image sharpness, Optical engineering, Optical path differences, Laser beam propagation, Spiral phase plates, Reconstruction algorithms, Wavefronts, Wavefront sensors, Optical aberrations

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SPIE Journal Paper | 20 December 2023 Open Access

Shock-wave tolerant phase reconstruction algorithm for Shack–Hartmann wavefront sensor data

Thomas E. DeFoor, Matthew Kalensky, Matthew R. Kemnetz, Timothy J. Bukowski, Mark F. Spencer

OE, Vol. 62, Issue 12, 123103, (December 2023) https://doi.org/10.1117/12.10.1117/1.OE.62.12.123103

KEYWORDS: Reconstruction algorithms, Discontinuities, Phase reconstruction, Wavefront sensors, Algorithm development, Optical engineering, Computer simulations, Spatial light modulators, Air force, Sensors

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SPIE Journal Paper | 8 December 2023 Open Access

Comparison of branch-point detection approaches using a Shack–Hartmann wavefront sensor

Matthew Kalensky, Denis Oesch, Timothy Bukowski, Kelsey Miller, Darren Getts

OE, Vol. 62, Issue 12, 123101, (December 2023) https://doi.org/10.1117/12.10.1117/1.OE.62.12.123101

KEYWORDS: Simulations, Spiral phase plates, Optical engineering, Turbulence, Wavefront sensors, Data modeling, Wave propagation, Matrices, Optical vortices, Atmospheric propagation

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Proceedings Article | 3 October 2023 Presentation + Paper

Experimental and computational investigation of laser beam propagation through a free shear layer

Jonathan Wells, Matthew Kalensky, R. Mark Rennie, Eric Jumper

Proceedings Volume 12693, 1269315 (2023) https://doi.org/10.1117/12.2677374

KEYWORDS: Image sharpness, Simulations, Laser beam propagation, Wavefront sensors, Spiral phase plates, Optical aberrations, Reconstruction algorithms, Pupil aberrations, Discontinuities, Computer simulations

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Proceedings Article | 3 October 2023 Presentation + Paper

Shock-wave tolerant phase reconstructor for the Shack–Hartmann wavefront sensor

Thomas DeFoor, Matthew Kalensky, Matthew Kemnetz, Timothy Bukowski, Mark Spencer

Proceedings Volume 12693, 126930R (2023) https://doi.org/10.1117/12.3003722

KEYWORDS: Discontinuities, Phase reconstruction, Reconstruction algorithms, Wavefront sensors, Algorithm development, Wavefront reconstruction, Spatial light modulators

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Proceedings Article | 3 October 2023 Presentation + Paper

Optical-turbulence characterization of a littoral test environment using a Shack-Hartmann wavefront sensor

Timothy Bukowski, Shannon O'Sullivan, Matthew Kalensky, Darren Getts, Evan Bates, Kelsey Miller, Stanislav Gordeyev

Proceedings Volume 12693, 126930Q (2023) https://doi.org/10.1117/12.2676710

KEYWORDS: Modulation transfer functions, Simulations, Turbulence, Atmospheric propagation, Beam propagation method, Point spread functions, Atmospheric optics, Wavefront sensors, Wave propagation, Laser beam propagation

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Proceedings Article | 3 October 2023 Presentation + Paper

Branch-point detection using a Shack-Hartmann wavefront sensor

Matthew Kalensky, Denis Oesch, Timothy Bukowski, Kelsey Miller, Darren Getts

Proceedings Volume 12693, 126930C (2023) https://doi.org/10.1117/12.2676719

KEYWORDS: Detection and tracking algorithms, Wavefront sensors, Turbulence, Atmospheric propagation, Wave propagation, Optical vortices

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Proceedings Article | 3 October 2023 Presentation + Paper

Experimental investigation into the effects of shock waves on Shack-Hartmann wavefront sensor measurements

Matthew Kemnetz, Matthew Kalensky, Thomas DeFoor, Mark Spencer

Proceedings Volume 12693, 1269314 (2023) https://doi.org/10.1117/12.2676878

KEYWORDS: Wavefront sensors, Optical path differences, Spatial resolution, Discontinuities, Digital holography, Adaptive optics

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Proceedings Article | 4 October 2022 Presentation + Paper

Modal analysis of pressure fields on and around turrets with different protrusions

Timothy Bukowski, Matthew Kalensky, Stanislav Gordeyev, Matthew Kemnetz

Proceedings Volume 12239, 122390F (2022) https://doi.org/10.1117/12.2633429

KEYWORDS: Aerodynamics, Cameras, Modal analysis, Transducers, Sensors, Calibration, Data conversion, 3D image processing, Visualization, System integration, Spatial resolution

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Proceedings Article | 4 October 2022 Presentation + Paper

Effects of shock-related discontinuities on SHWFS measurements: modeling and simulation

Matthew Kalensky, Matthew Kemnetz, Mark Spencer

Proceedings Volume 12239, 122390J (2022) https://doi.org/10.1117/12.2633526

KEYWORDS: Fourier optics, Wavefront aberrations, Directed energy weapons, Adaptive optics, Wavefront distortions, Wave propagation, Laser beam propagation, Wavefronts, Diffraction, Wavefront sensors

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Proceedings Article | 3 October 2022 Presentation

Effects of shock-related discontinuities on SHWFS measurements: experimental results (Conference Presentation)

Matthew Kemnetz, Matthew Kalensky, Aaron Roeder, Zareb Noel

Proceedings Volume 12239, 122390I (2022) https://doi.org/10.1117/12.2633536

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Proceedings Article | 1 August 2021 Presentation + Paper

Pressure sensitive paint measurements on a hemispherical turret

Matthew Kalensky, Brian Catron, Stanislav Gordeyev, Eric Jumper, Matthew Kemnetz

Proceedings Volume 11836, 1183607 (2021) https://doi.org/10.1117/12.2595385

KEYWORDS: Cameras, Transducers, Calibration, Directed energy weapons, Turbulence

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Proceedings Article | 1 August 2021 Presentation + Paper

Investigation of aero-mechanical jitter on a hemispherical turret

Matthew Kalensky, Brian Catron, Stanislav Gordeyev, Eric Jumper, Matthew Kemnetz

Proceedings Volume 11836, 1183606 (2021) https://doi.org/10.1117/12.2588232

KEYWORDS: Reflectors, Contamination, Optical benches, Mirrors, Cameras, Optical testing, Fourier transforms, Lasers, Laser beam diagnostics

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SPIE Journal Paper | 19 October 2020

Image degradation due to different in-flight aero-optical environments

Matthew Kalensky, Jonathan Wells, Stanislav Gordeyev

OE, Vol. 59, Issue 10, 104104, (October 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.10.104104

KEYWORDS: Wavefronts, Point spread functions, Optical engineering, Cameras, Modulation transfer functions, Wavefront distortions, Imaging systems, Image processing, High speed cameras, Solids

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Proceedings Article | 3 September 2019 Presentation + Paper

Image degradation due to various aero-optical environments

Matthew Kalensky, Jonathon Wells, Eric Jumper, Stanislav Gordeyev

Proceedings Volume 11102, 111020F (2019) https://doi.org/10.1117/12.2528509

KEYWORDS: Point spread functions, Wavefronts, Modulation transfer functions, Cameras, High speed imaging, Imaging systems, High speed cameras, Mirrors, Wavefront sensors, Wavefront distortions

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