Infrared upconversion hyperspectral imaging

Optics Letters
Louis Martinus KehletChristian Pedersen

Abstract

In this Letter, hyperspectral imaging in the mid-IR spectral region is demonstrated based on nonlinear frequency upconversion and subsequent imaging using a standard Si-based CCD camera. A series of upconverted images are acquired with different phase match conditions for the nonlinear frequency conversion process. From this, a sequence of monochromatic images in the 3.2-3.4 μm range is generated. The imaged object consists of a standard United States Air Force resolution target combined with a polystyrene film, resulting in the presence of both spatial and spectral information in the infrared image.

References

Jan 26, 2012·Optics Express·Jeppe Seidelin DamPeter Tidemand-Lichtenberg
Dec 22, 2012·Optics Letters·Qi HuPeter Tidemand-Lichtenberg
Jan 16, 2013·Applied Spectroscopy·Rohith K ReddyRohit Bhargava
Nov 18, 2014·Optics Express·Christian PedersenJeppe Seidelin Dam

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Citations

Feb 2, 2017·Optics Letters·Morgan MathezChristian Pedersen
Apr 15, 2017·Optics Letters·Ajanta BarhPeter Tidemand-Lichtenberg
Feb 3, 2016·Optics Express·Louis Martinus KehletChristian Pedersen
Oct 14, 2017·Optics Letters·Mahmoud TawfieqGünther Tränkle
Oct 19, 2017·Optics Express·Sebastian WolfFrank Kühnemann
Apr 1, 2020·Applied Optics·Saher JunaidPeter John Rodrigo
Feb 7, 2018·Optics Express·Saher JunaidPeter Tidemand-Lichtenberg

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