Mr. John J. Polizotti Profile

John J. Polizotti

Engineer - Senior Principal III SYS at Southwest Research Institute

SPIE Involvement:

Author

Proceedings Article | 27 August 2022 Poster + Paper

SwRI's ISpec instrument for the ISCEA observatory: design

Todd Veach, John Polizotti, Michael Davis, Randy Rose, Thomas Rose, Mark Phillips, Tonya Brody, Martin Keuchkerian, Yun Wang, Lee Armus, Andreas Faisst, Massimo Robberto

Proceedings Volume 12180, 121804U (2022) https://doi.org/10.1117/12.2629382

KEYWORDS: Digital micromirror devices, Spectrographs, Imaging systems, Sensors, Spectroscopes, Mirrors, Telescopes, Staring arrays, Observatories

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Proceedings Article | 30 August 2019 Presentation + Paper

MISTiC winds: a micro-satellite constellation approach to high resolution observations of the atmosphere using infrared sounding and 3D winds measurements: a summary of risk reduction testing

K. Maschhoff, J. Polizotti, M. Janelle, C. Gittins, S. Fingerman

Proceedings Volume 11131, 111310I (2019) https://doi.org/10.1117/12.2530810

KEYWORDS: Spectroscopy, Clouds, Infrared radiation, Spectral calibration, Staring arrays, Optical fabrication, Infrared spectroscopy, Aerospace engineering, Calibration, Spectral resolution

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MISTiC Winds is an approach to improve short-term weather forecasting based on a miniature high resolution, wide field, thermal emission spectrometry instrument that will provide global tropospheric vertical profiles of atmospheric temperature and humidity at high (3-4 km) horizontal and vertical ( 1 km) spatial resolution. MISTiC’s extraordinarily small size, payload mass of less than 15 kg, and minimal cooling requirements can be accommodated aboard an ESPAClass (50 kg) micro-satellite. Low fabrication and launch costs enable a LEO sun-synchronous sounding constellation that would provide frequent IR vertical profiles and vertically resolved atmospheric motion vector wind observations in the troposphere. These observations are highly complementary to present and emerging environmental observing systems, and would provide a combination of high vertical and horizontal resolution not provided by any other environmental observing system currently in operation. The spectral measurements that would be provided by MISTiC Winds are similar to those of NASA’s Atmospheric Infrared Sounder. These new observations, when assimilated into high resolution numerical weather models, would revolutionize short-term and severe weather forecasting, save lives, and support key economic decisions in the energy, air transport, and agriculture arenas–at much lower cost than providing these observations from geostationary orbit. In addition, this observation capability would be a critical tool for the study of transport processes for water vapor, clouds, pollution, and aerosols. Risk reduction investments by NASA ESTO and BAE Systems have supported an airborne demonstration of this hyperspectral observing method from a NASA ER2, as well as laboratory testing of the spectrometer. The purpose of these airborne tests is to examine the potential for improved capabilities for tracking atmospheric motion-vector wind tracer features, and determining their height using hyper-spectral sounding and imaging methods. Some of the hyperspectral observations from flights in December 2017 will be described, together with satellite and radiosonde observations similar in time and location. Critical laboratory test results will also be described.

Proceedings Article | 19 October 2016 Presentation + Paper

Mistic winds, a microsatellite constellation approach to high-resolution observations of the atmosphere using infrared sounding and 3d winds measurements

K. Maschhoff, J. Polizotti, H. Aumann, J. Susskind

Proceedings Volume 10000, 100000L (2016) https://doi.org/10.1117/12.2241412

KEYWORDS: Sensors, Spatial resolution, Infrared radiation, Spectroscopy, Satellites, Troposphere, Staring arrays, Spectral calibration, Infrared spectroscopy, Spectral resolution

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Proceedings Article | 19 September 2016 Presentation + Paper

MISTiC Winds: A micro-satellite constellation approach to high resolution observations of the atmosphere using infrared sounding and 3D winds measurements

K. Maschhoff, J. Polizotti, H. Aumann, J. Susskind

Proceedings Volume 9978, 997804 (2016) https://doi.org/10.1117/12.2239272

KEYWORDS: Infrared radiation, Satellites, Spatial resolution, Spectroscopy, Troposphere, Staring arrays, Spectral calibration, Infrared spectroscopy, Aerospace engineering, Sensors

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Proceedings Article | 16 November 2000 Paper

Implementation and testing of SIRTF's infrared array camera (IRAC)

Felicia Jones-Selden, T. Ackerson, Christine Allen, M. Armbruster, Richard Barney, Jamie Britt, W. Eichorn, Jose Florez, Giovanni Fazio, William Glaccum, J. Golder, Qian Gong, B. Grammer, Claef Hakun, P. Haney, S. Hendricks, William Hoffman, Joseph Hora, Murzy Jhabvala, Ray Jungo, Gabriel Karpati, Danny Krebs, J. Lander, Michael Lander, Patricia Lyons, S. Mann, Catherine Marx, Samuel Moseley, John Polizotti, Juan Rivera, F. David Robinson, W. Rosborough, David Schwinger, Kamdin Shakoorzadeh, Kenneth Stewart, Richard Taylor, C. Tomasevich, Victor Torres, Carlos Trujillo, R. Trunzo, Steven Willner, Lois Workman

Proceedings Volume 4131, (2000) https://doi.org/10.1117/12.406572

KEYWORDS: Sensors, Infrared cameras, Electronics, Infrared radiation, Space telescopes, Infrared telescopes, Calibration, Cryogenics, Cameras, Galactic astronomy

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Conference Committee Involvement (8)

Optomechanical Engineering 2023

23 August 2023 | San Diego, California, United States

Optomechanics and Optical Alignment

1 August 2021 | San Diego, California, United States

Optomechanical Engineering 2019

14 August 2019 | San Diego, California, United States

Optomechanical Engineering 2017

9 August 2017 | San Diego, California, United States

Optomechanical Engineering 2015

11 August 2015 | San Diego, California, United States

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