Infrared signal detection by upconversion technique
Lasers and Electro-Optics（2014）
摘要
We demonstrated up-conversion assisted detection of a 2.05-μm signal by using a bulk periodically poled Lithium niobate crystal. The 94% intrinsic up-conversion efficiency and 22.58% overall detection efficiency at pW level of 2.05-μm was achieved.
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关键词
lithium compounds,optical frequency conversion,optical signal detection,linbo3,bulk periodically poled lithium niobate crystal,detection efficiency,infrared signal detection,intrinsic upconversion efficiency,upconversion assisted signal detection,upconversion technique,crystals,signal detection,remote sensing,energy conversion efficiency
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