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9 May 2012 Proposal for real-time terahertz imaging system with palm-size terahertz camera and compact quantum cascade laser
Naoki Oda, Alan W. M. Lee, Tsutomu Ishi, Iwao Hosako, Qing Hu
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Proceedings Volume 8363, Terahertz Physics, Devices, and Systems VI: Advanced Applications in Industry and Defense; 83630A (2012) https://doi.org/10.1117/12.917682
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States
Abstract
This paper describes a real-time terahertz (THz) imaging system, using the combination of a palm-size THz camera with a compact quantum cascade laser (QCL). The THz camera contains a 320x240 microbolometer focal plane array which has nearly flat spectral response over a frequency range of ca. 1.5 to 100 THz, and operates at 30 Hz frame rate. The QCL is installed in compact cryogen-free cooler. A variety of QCLs are prepared which can cover frequency range from ca. 1.5 to 5 THz. THz images of biochemical samples will be presented, using the combined imaging system. Performance of the imaging system, such as signal-to-noise ratio of transmission-type THz microscope, is predicted.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Naoki Oda, Alan W. M. Lee, Tsutomu Ishi, Iwao Hosako, and Qing Hu "Proposal for real-time terahertz imaging system with palm-size terahertz camera and compact quantum cascade laser", Proc. SPIE 8363, Terahertz Physics, Devices, and Systems VI: Advanced Applications in Industry and Defense, 83630A (9 May 2012); https://doi.org/10.1117/12.917682
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KEYWORDS
Terahertz radiation
Quantum cascade lasers
Cameras
Microbolometers
Imaging systems
Signal to noise ratio
Silicon
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