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15 March 2023 High speed, high definition mid-infrared spectral imaging by non-degenerate two-photon absorption (Conference Presentation)
David Knez, Anabel Chen, Eric O. Potma, Dmitry A. Fishman
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Proceedings Volume PC12392, Advanced Chemical Microscopy for Life Science and Translational Medicine 2023; PC123920U (2023) https://doi.org/10.1117/12.2656097
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Imaging techniques that utilize mid-infrared (MIR) light obtain their contrast from the molecular resonances of the sample. When each pixel in the image contains spectral information, the resulting data cube [xyw] yields an information rich visualization of chemical content. However, detector technologies designed for the MIR struggle to produce high definition spectral images in real-time. This can be circumvented by detecting the MIR image on a camera designed for visible light. By using non-degenerate two-photon absorption, we demonstrate the acquisition of high-definition spectral data cubes in under a second.
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David Knez, Anabel Chen, Eric O. Potma, and Dmitry A. Fishman "High speed, high definition mid-infrared spectral imaging by non-degenerate two-photon absorption (Conference Presentation)", Proc. SPIE PC12392, Advanced Chemical Microscopy for Life Science and Translational Medicine 2023, PC123920U (15 March 2023); https://doi.org/10.1117/12.2656097
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KEYWORDS
Absorption
Mid-IR
Imaging spectroscopy
Information visualization
Cameras
Data acquisition
Image visualization
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