Investigation of radiant millimeter wave/terahertz radiation from low-infrared signature targets

B. Aytaç; Ü. Alkuş; M. Sivaslıgil; A. B. Şahin; H. Altan

doi:10.1117/12.2278095

6 October 2017 Investigation of radiant millimeter wave/terahertz radiation from low-infrared signature targets

B. Aytaç, Ü. Alkuş, M. Sivaslıgil, A. B. Şahin, H. Altan

Proceedings Volume 10439, Millimetre Wave and Terahertz Sensors and Technology X; 1043903 (2017) https://doi.org/10.1117/12.2278095
Event: SPIE Security + Defence, 2017, Warsaw, Poland

Abstract

Millimeter (mm) and sub-mm wave radiation is increasingly becoming a region of interest as better methods are developed to detect in this wavelength range. The development of sensitive focal plane array (FPA) architectures as well as single pixel scanners has opened up a new field of passive detection and imaging. Spectral signatures of objects, a long standing area of interest in the Short Wave Infrared (SWIR), Mid-Wave (MWIR) and Long Wave-IR (LWIR) bands can now be assessed in the mm-wave/terahertz (THz) region. The advantage is that this form of radiation is not as adversely affected by poor atmospheric conditions compared to other bands. In this study, a preliminary experiment in a laboratory environment is performed to assess the radiance from targets with low infrared signatures in the millimeter wave/terahertz (THz) band (<1 THz). The goal of this approach is to be able to model the experimental results to better understand the mm-wave/THz signature of targets with low observability in the IR bands.

Citation Download Citation

B. Aytaç, Ü. Alkuş, M. Sivaslıgil, A. B. Şahin, and H. Altan "Investigation of radiant millimeter wave/terahertz radiation from low-infrared signature targets", Proc. SPIE 10439, Millimetre Wave and Terahertz Sensors and Technology X, 1043903 (6 October 2017); https://doi.org/10.1117/12.2278095

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KEYWORDS

Black bodies

Terahertz radiation

Cameras

Temperature metrology

Optical filters

Target detection

Infrared signatures

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