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Efficient IR Image Up-Conversion in Two-Photon Resonantly Pumped Cs Vapor.

机译:双光子共振泵浦Cs蒸汽中的高效红外图像上转换。

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Resonant two-photon pumping in the Cs 6s (2)S-7s(2)S transition has been used for 2.9 micrometer to 4550 A image up-conversion. A power conversion efficiency of 20% with 1000 resolvable spots was achieved using a pump power of 8 kW. The pumping laser, Nd:lanthanum berylate, has a natural two-photon coincidence with the Cs 6s(2)S-7s(2)S transition. (Author)

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