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Optical imaging

Ultrafast buffering by molecular gas

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A simple molecular gas sample can be used to achieve ultrafast optical buffering in two-dimensional optical imaging, thus serving as a promising extension of the well-developed liquid-crystal display technology.

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Figure 1: A two-dimensional (2D) object (the letter 'O') imprinted in a writing beam is stored in the rotational response of a molecular gas sample and then restored after a time delay, τ, by a reading pulse.
Figure 2: Schematic of single-shot holographic imaging.

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Hertz, E., Lavorel, B. & Faucher, O. Ultrafast buffering by molecular gas. Nature Photon 5, 78–79 (2011). https://doi.org/10.1038/nphoton.2011.6

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