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Mid-IR imaging and spectroscopy with upconversion detection by nonlinear optics

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Different schemes for mid-infrared frequency upconversion based imaging and spectroscopy is considered in terms of spectral coverage, field-of-view, spatial and spectral resolution, and speed. Both broadband and narrowband, continuous wave and pulsed systems are considered. Examples of upconversion sensing, spectroscopy and imaging is presented.

© 2018 Optical Society of Japan

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