Broadband Sub-terahertz Camera Based on Photothermal Conversion and IR Thermography

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• 作者：M. Romano ; A. Chulkov ; A. Sommier…
• 关键词：Sub ; terahertz imaging ; Photothermal converter ; Infrared thermography ; Focal plane array ; Non ; destructive testing
• 刊名：International Journal of Infrared and Millimeter Waves
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：37
• 期：5
• 页码：448-461
• 全文大小：930 KB
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• 作者单位：M. Romano (1)
  A. Chulkov (2)
  A. Sommier (1)
  D. Balageas (1)
  V. Vavilov (2)
  J. C. Batsale (1)
  C. Pradere (1)
  
  1. I2M TREFLE, UMR CNRS 5295, Esplanade des Arts et Métiers, 33405, Talence, France
  2. Tomsk Polytechnic University, Lenin Av., 30, 634050, Tomsk, Russia
  
• 刊物类别：Physics and Astronomy
• 刊物主题：None Assigned
• 出版者：Springer New York
• ISSN：1866-6906

文摘

This paper describes a fast sub-terahertz (THz) camera that is based on the use of a quantum infrared camera coupled with a photothermal converter, called a THz-to-Thermal Converter (TTC), thus allowing fast image acquisition. The performance of the experimental setup is presented and discussed, with an emphasis on the advantages of the proposed method for decreasing noise in raw data and increasing the image acquisition rate. A detectivity of 160 pW Hz−0.5 per pixel has been achieved, and some examples of the practical implementation of sub-THz imaging are given.