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Kehlet LM, Sanders N, Tidemand-Lichtenberg P, et al. Infrared hyperspectral upconversion imaging using spatial object translation. Opt Express. 2015;23(26):34023-8doi: 10.1364/OE.23.034023.
Kehlet, L. M., Sanders, N., Tidemand-Lichtenberg, P., Dam, J. S., & Pedersen, C. (2015). Infrared hyperspectral upconversion imaging using spatial object translation. Optics express, 23(26), 34023-8. https://doi.org/10.1364/OE.23.034023
Kehlet, Louis Martinus, et al. "Infrared hyperspectral upconversion imaging using spatial object translation." Optics express vol. 23,26 (2015): 34023-8. doi: https://doi.org/10.1364/OE.23.034023
Kehlet LM, Sanders N, Tidemand-Lichtenberg P, Dam JS, Pedersen C. Infrared hyperspectral upconversion imaging using spatial object translation. Opt Express. 2015 Dec 28;23(26):34023-8. doi: 10.1364/OE.23.034023. PMID: 26832059.
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Opt Express. 2015 Dec 28;23(26):34023-8. doi: 10.1364/OE.23.034023.

Infrared hyperspectral upconversion imaging using spatial object translation.

Optics express

Louis Martinus Kehlet, Nicolai Sanders, Peter Tidemand-Lichtenberg, Jeppe Seidelin Dam, Christian Pedersen

PMID: 26832059 DOI: 10.1364/OE.23.034023

Abstract

In this paper hyperspectral imaging in the mid-infrared wavelength region is realised using nonlinear frequency upconversion. The infrared light is converted to the near-infrared region for detection with a Si-based CCD camera. The object is translated in a predefined grid by motorized actuators and an image is recorded for each position. A sequence of such images is post-processed into a series of monochromatic images in a wavelength range defined by the phasematch condition and numerical aperture of the upconversion system. A standard USAF resolution target and a polystyrene film are used to impart spatial and spectral information unto the source.

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