Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays

David L. Bowers; James K. Boger; L. David Wellems; Wiley T. Black; Steve E. Ortega; Bradley M. Ratliff; Matthew P. Fetrow; John E. Hubbs; J. Scott Tyo

doi:10.1117/12.666600

Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays

David L. Bowers, James K. Boger, L. David Wellems, Wiley T. Black, Steve E. Ortega, Bradley M. Ratliff, Matthew P. Fetrow, John E. Hubbs, J. Scott Tyo

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

23 Citations (Scopus)

Abstract

Recent developments for Long Wave InfraRed (LWIR) imaging polarimeters include incorporating a microgrid polarizer array onto the focal plane array (FPA). Inherent advantages over typical polarimeters include packaging and instantaneous acquisition of thermal and polarimetric information. This allows for real time video of thermal and polarimetric products. The microgrid approach has inherent polarization measurement error due to the spatial sampling of a non-uniform scene, residual pixel to pixel variations in the gain corrected responsivity and in the noise equivalent input (NEI), and variations in the pixel to pixel micro-polarizer performance. The Degree of Linear Polarization (DoLP) is highly sensitive to these parameters and is consequently used as a metric to explore instrument sensitivities. Image processing and fusion techniques are used to take advantage of the inherent thermal and polarimetric sensing capability of this FPA, providing additional scene information in real time. Optimal operating conditions are employed to improve FPA uniformity and sensitivity. Data from two DRS Infrared Technologies, L.P. (DRS) microgrid polarizer HgCdTe FPAs are presented. One FPA resides in a liquid nitrogen (LN2) pour filled dewar with a 80° K nominal operating temperature. The other FPA resides in a cryogenic (cryo) dewar with a 60° K nominal operating temperature.

Original language	English
Title of host publication	Polarization
Subtitle of host publication	Measurement, Analysis, and Remote Sensing VII
Publisher	SPIE - International Society for Optical Engineering
ISBN (Print)	0819462969, 9780819462961
DOIs	https://doi.org/10.1117/12.666600
Publication status	Published - 2006
Externally published	Yes
Event	Polarization: Measurement, Analysis, and Remote Sensing VII - Kissimmee, United States of America Duration: 20 Apr 2006 → 21 Apr 2006 https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6240.toc

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6240
ISSN (Print)	0277-786X

Conference

Conference	Polarization: Measurement, Analysis, and Remote Sensing VII
Country/Territory	United States of America
City	Kissimmee
Period	20/04/06 → 21/04/06
Internet address	https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6240.toc

Keywords

Focal Plane Array
Image Fusion
Image Processing
Long-wave Infrared
Microgrid
Polarimeter
Polarimetry
Remote Sensing
Video-rate

Access to Document

10.1117/12.666600

Cite this

Bowers, D. L., Boger, J. K., Wellems, L. D., Black, W. T., Ortega, S. E., Ratliff, B. M., Fetrow, M. P., Hubbs, J. E., & Tyo, J. S. (2006). Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays. In Polarization: Measurement, Analysis, and Remote Sensing VII Article 62400F (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6240). SPIE - International Society for Optical Engineering. https://doi.org/10.1117/12.666600

@inproceedings{6084a6c91b33423cb21730a5d4a94c0f,

title = "Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays",

abstract = "Recent developments for Long Wave InfraRed (LWIR) imaging polarimeters include incorporating a microgrid polarizer array onto the focal plane array (FPA). Inherent advantages over typical polarimeters include packaging and instantaneous acquisition of thermal and polarimetric information. This allows for real time video of thermal and polarimetric products. The microgrid approach has inherent polarization measurement error due to the spatial sampling of a non-uniform scene, residual pixel to pixel variations in the gain corrected responsivity and in the noise equivalent input (NEI), and variations in the pixel to pixel micro-polarizer performance. The Degree of Linear Polarization (DoLP) is highly sensitive to these parameters and is consequently used as a metric to explore instrument sensitivities. Image processing and fusion techniques are used to take advantage of the inherent thermal and polarimetric sensing capability of this FPA, providing additional scene information in real time. Optimal operating conditions are employed to improve FPA uniformity and sensitivity. Data from two DRS Infrared Technologies, L.P. (DRS) microgrid polarizer HgCdTe FPAs are presented. One FPA resides in a liquid nitrogen (LN2) pour filled dewar with a 80° K nominal operating temperature. The other FPA resides in a cryogenic (cryo) dewar with a 60° K nominal operating temperature.",

keywords = "Focal Plane Array, Image Fusion, Image Processing, Long-wave Infrared, Microgrid, Polarimeter, Polarimetry, Remote Sensing, Video-rate",

author = "Bowers, {David L.} and Boger, {James K.} and Wellems, {L. David} and Black, {Wiley T.} and Ortega, {Steve E.} and Ratliff, {Bradley M.} and Fetrow, {Matthew P.} and Hubbs, {John E.} and Tyo, {J. Scott}",

year = "2006",

doi = "10.1117/12.666600",

language = "English",

isbn = "0819462969",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

publisher = "SPIE - International Society for Optical Engineering",

booktitle = "Polarization",

address = "United States of America",

note = "Polarization: Measurement, Analysis, and Remote Sensing VII ; Conference date: 20-04-2006 Through 21-04-2006",

url = "https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6240.toc",

}

Bowers, DL, Boger, JK, Wellems, LD, Black, WT, Ortega, SE, Ratliff, BM, Fetrow, MP, Hubbs, JE & Tyo, JS 2006, Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays. in Polarization: Measurement, Analysis, and Remote Sensing VII., 62400F, Proceedings of SPIE - The International Society for Optical Engineering, vol. 6240, SPIE - International Society for Optical Engineering, Polarization: Measurement, Analysis, and Remote Sensing VII, Kissimmee, Florida, United States of America, 20/04/06. https://doi.org/10.1117/12.666600

Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays. / Bowers, David L.; Boger, James K.; Wellems, L. David et al.
Polarization: Measurement, Analysis, and Remote Sensing VII. SPIE - International Society for Optical Engineering, 2006. 62400F (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6240).

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

TY - GEN

T1 - Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays

AU - Bowers, David L.

AU - Boger, James K.

AU - Wellems, L. David

AU - Black, Wiley T.

AU - Ortega, Steve E.

AU - Ratliff, Bradley M.

AU - Fetrow, Matthew P.

AU - Hubbs, John E.

AU - Tyo, J. Scott

PY - 2006

Y1 - 2006

N2 - Recent developments for Long Wave InfraRed (LWIR) imaging polarimeters include incorporating a microgrid polarizer array onto the focal plane array (FPA). Inherent advantages over typical polarimeters include packaging and instantaneous acquisition of thermal and polarimetric information. This allows for real time video of thermal and polarimetric products. The microgrid approach has inherent polarization measurement error due to the spatial sampling of a non-uniform scene, residual pixel to pixel variations in the gain corrected responsivity and in the noise equivalent input (NEI), and variations in the pixel to pixel micro-polarizer performance. The Degree of Linear Polarization (DoLP) is highly sensitive to these parameters and is consequently used as a metric to explore instrument sensitivities. Image processing and fusion techniques are used to take advantage of the inherent thermal and polarimetric sensing capability of this FPA, providing additional scene information in real time. Optimal operating conditions are employed to improve FPA uniformity and sensitivity. Data from two DRS Infrared Technologies, L.P. (DRS) microgrid polarizer HgCdTe FPAs are presented. One FPA resides in a liquid nitrogen (LN2) pour filled dewar with a 80° K nominal operating temperature. The other FPA resides in a cryogenic (cryo) dewar with a 60° K nominal operating temperature.

AB - Recent developments for Long Wave InfraRed (LWIR) imaging polarimeters include incorporating a microgrid polarizer array onto the focal plane array (FPA). Inherent advantages over typical polarimeters include packaging and instantaneous acquisition of thermal and polarimetric information. This allows for real time video of thermal and polarimetric products. The microgrid approach has inherent polarization measurement error due to the spatial sampling of a non-uniform scene, residual pixel to pixel variations in the gain corrected responsivity and in the noise equivalent input (NEI), and variations in the pixel to pixel micro-polarizer performance. The Degree of Linear Polarization (DoLP) is highly sensitive to these parameters and is consequently used as a metric to explore instrument sensitivities. Image processing and fusion techniques are used to take advantage of the inherent thermal and polarimetric sensing capability of this FPA, providing additional scene information in real time. Optimal operating conditions are employed to improve FPA uniformity and sensitivity. Data from two DRS Infrared Technologies, L.P. (DRS) microgrid polarizer HgCdTe FPAs are presented. One FPA resides in a liquid nitrogen (LN2) pour filled dewar with a 80° K nominal operating temperature. The other FPA resides in a cryogenic (cryo) dewar with a 60° K nominal operating temperature.

KW - Focal Plane Array

KW - Image Fusion

KW - Image Processing

KW - Long-wave Infrared

KW - Microgrid

KW - Polarimeter

KW - Polarimetry

KW - Remote Sensing

KW - Video-rate

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U2 - 10.1117/12.666600

DO - 10.1117/12.666600

M3 - Conference Paper

AN - SCOPUS:33747367000

SN - 0819462969

SN - 9780819462961

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Polarization

PB - SPIE - International Society for Optical Engineering

T2 - Polarization: Measurement, Analysis, and Remote Sensing VII

Y2 - 20 April 2006 through 21 April 2006

ER -

Bowers DL, Boger JK, Wellems LD, Black WT, Ortega SE, Ratliff BM et al. Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays. In Polarization: Measurement, Analysis, and Remote Sensing VII. SPIE - International Society for Optical Engineering. 2006. 62400F. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.666600

Evaluation and display of polarimetric image data using long-wave cooled microgrid focal plane arrays

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Keywords

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