Wide field of view lens-based focusing system for security imagers at THz frequencies

Nuria Llombart; Erio Gandini; Aleksi Tamminen; Arttu Luukanen

doi:10.1109/IRMMW-THz.2016.7758592

Wide field of view lens-based focusing system for security imagers at THz frequencies

Nuria Llombart, Erio Gandini, Aleksi Tamminen, Arttu Luukanen

Not published at Aalto University

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

1 Citation (Scopus)

Abstract

The aim of the European project CONSORTIS is the development of a walk-by imaging system for concealed object detections working at submillimetre-wave frequencies. This imager will allow to image a full body at two frequency bands with high sensitivity (<1K) and large frame rate (10Hz). The imager relies on a large focal plane array with about 10k detectors operating at both bands coupled a common optical system. This contribution describes the optimization of the quasi-optical system for this imager. The proposed architecture is based on a novel flipped dual-lens design with a scan loss of less than 3dBs for both bands. This scan loss corresponds to resolution loss of only a factor 1.4 at the edge of the field of view (FoV).

Original language	English
Title of host publication	41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
Publisher	IEEE
ISBN (Electronic)	9781467384858
DOIs	https://doi.org/10.1109/IRMMW-THz.2016.7758592
Publication status	Published - 28 Nov 2016
MoE publication type	A4 Conference publication
Event	International Conference on Infrared, Millimeter, and Terahertz Waves - Copenhagen, Denmark Duration: 25 Sept 2016 → 30 Sept 2016 Conference number: 41

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Conference

Conference	International Conference on Infrared, Millimeter, and Terahertz Waves
Abbreviated title	IRMMW-THz
Country/Territory	Denmark
City	Copenhagen
Period	25/09/2016 → 30/09/2016

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10.1109/IRMMW-THz.2016.7758592

Cite this

Llombart, N., Gandini, E., Tamminen, A., & Luukanen, A. (2016). Wide field of view lens-based focusing system for security imagers at THz frequencies. In 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016 Article 7758592 (International Conference on Infrared, Millimeter, and Terahertz Waves). IEEE. https://doi.org/10.1109/IRMMW-THz.2016.7758592

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title = "Wide field of view lens-based focusing system for security imagers at THz frequencies",

abstract = "The aim of the European project CONSORTIS is the development of a walk-by imaging system for concealed object detections working at submillimetre-wave frequencies. This imager will allow to image a full body at two frequency bands with high sensitivity (<1K) and large frame rate (10Hz). The imager relies on a large focal plane array with about 10k detectors operating at both bands coupled a common optical system. This contribution describes the optimization of the quasi-optical system for this imager. The proposed architecture is based on a novel flipped dual-lens design with a scan loss of less than 3dBs for both bands. This scan loss corresponds to resolution loss of only a factor 1.4 at the edge of the field of view (FoV).",

author = "Nuria Llombart and Erio Gandini and Aleksi Tamminen and Arttu Luukanen",

year = "2016",

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doi = "10.1109/IRMMW-THz.2016.7758592",

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booktitle = "41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016",

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note = "International Conference on Infrared, Millimeter, and Terahertz Waves , IRMMW-THz ; Conference date: 25-09-2016 Through 30-09-2016",

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Llombart, N, Gandini, E, Tamminen, A & Luukanen, A 2016, Wide field of view lens-based focusing system for security imagers at THz frequencies. in 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016., 7758592, International Conference on Infrared, Millimeter, and Terahertz Waves, IEEE, International Conference on Infrared, Millimeter, and Terahertz Waves , Copenhagen, Denmark, 25/09/2016. https://doi.org/10.1109/IRMMW-THz.2016.7758592

Wide field of view lens-based focusing system for security imagers at THz frequencies. / Llombart, Nuria; Gandini, Erio; Tamminen, Aleksi et al.
41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016. IEEE, 2016. 7758592 (International Conference on Infrared, Millimeter, and Terahertz Waves).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

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AB - The aim of the European project CONSORTIS is the development of a walk-by imaging system for concealed object detections working at submillimetre-wave frequencies. This imager will allow to image a full body at two frequency bands with high sensitivity (<1K) and large frame rate (10Hz). The imager relies on a large focal plane array with about 10k detectors operating at both bands coupled a common optical system. This contribution describes the optimization of the quasi-optical system for this imager. The proposed architecture is based on a novel flipped dual-lens design with a scan loss of less than 3dBs for both bands. This scan loss corresponds to resolution loss of only a factor 1.4 at the edge of the field of view (FoV).

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Wide field of view lens-based focusing system for security imagers at THz frequencies

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