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Upconversion imaging using an all-fiber supercontinuum source
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DOI：10.1364/OL.41.002466.png)
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摘要
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In this Letter, the first demonstration, to the best of our knowledge, of pulsed upconversion imaging using supercontinuum light is presented. A mid-infrared (IR) imaging system was built by combining a mid-IR supercontinuum source emitting between 1.8 and 2.6 mu m with upconversion detection. The infrared signal is used to probe a sample and mixed with a synchronized 1550 nm laser pulse inside a lithium niobate (LiNbO3) crystal. The signal is thus upconverted to the 860-970 nm range and acquired on a standard silicon CCD array at a rate of 22 frames per second. In our implementation, spatial features in the sample plane as small as 55 mu m could be resolved. (C) 2016 Optical Society of America
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3.3
论文数:
4.0W
被引数:
7.6W
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