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

Abstract

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.

Original language	English
Pages (from-to)	448-461
Number of pages	14
Journal	Journal of Infrared, Millimeter, and Terahertz Waves
Volume	37
Issue number	5
DOIs	https://doi.org/10.1007/s10762-015-0241-x
Publication status	Published - 1 May 2016

Keywords

Focal plane array
Infrared thermography
Non-destructive testing
Photothermal converter
Sub-terahertz imaging

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering
Condensed Matter Physics
Radiation

Access to Document

10.1007/s10762-015-0241-x

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Cite this

Romano, M., Chulkov, A., Sommier, A., Balageas, D., Vavilov, V., Batsale, J. C., & Pradere, C. (2016). Broadband Sub-terahertz Camera Based on Photothermal Conversion and IR Thermography. Journal of Infrared, Millimeter, and Terahertz Waves, 37(5), 448-461. https://doi.org/10.1007/s10762-015-0241-x

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abstract = "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.",

keywords = "Focal plane array, Infrared thermography, Non-destructive testing, Photothermal converter, Sub-terahertz imaging",

author = "M. Romano and A. Chulkov and A. Sommier and D. Balageas and V. Vavilov and Batsale, {J. C.} and C. Pradere",

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AU - Batsale, J. C.

AU - Pradere, C.

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